and so it starts
#1
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
and so it starts
so with winter finally here its time to get to work on the tt iroc
first paint the engine bay then
#1 new trans
#2 new engine
#3 larger turbos
#4 remove triple zr-1 pumps and install twin areomotive 340lph pumps
#5 install -8 fuel lines -6 return
#6 replace rear pinion seal
#7 install frame connectors
#8 finally get my 10 pt cage installed
#9 finish the paint job
this was taken this morning
and 45 mins later
taking a small break then im going to remove the old engine , and start tearing down the soon to be new engine
ill have pics up in a few hours as work progresses
timeline for everything to be completed on this lil project is 3-4 weeks
first paint the engine bay then
#1 new trans
#2 new engine
#3 larger turbos
#4 remove triple zr-1 pumps and install twin areomotive 340lph pumps
#5 install -8 fuel lines -6 return
#6 replace rear pinion seal
#7 install frame connectors
#8 finally get my 10 pt cage installed
#9 finish the paint job
this was taken this morning
and 45 mins later
taking a small break then im going to remove the old engine , and start tearing down the soon to be new engine
ill have pics up in a few hours as work progresses
timeline for everything to be completed on this lil project is 3-4 weeks
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
i mannaged to get the motor out and the engine bay stripped but stopped taking pics after i started tearing down the engine , ill take more when im back in the shop later this week.
the engine looks brand new inside still even with all the abuse i put it threw, i was starting to show some signs of detonation though i think the popup dome pistons are to blame for that , im going to install new bearings in the bttom end reassemble it and put the engine minus the turbos into my 3/4 ton truck to replace the semi tired tbi engine
the new engine going in the car is a
4 bolt main 350 .030 over
flat top forged pistons with 4v reliefs
this one will also get a sum 1105 cam or a comp xe268
picked up a mini ram intake thats going on it
im not sure what heads im going to drop on it yet,i have a few diff heads to choose from
then the old turbo system will be put on the engine
anyways heres some more pics of the days progress
overall i have about 4 hours in it from the time i pulled it in on the lift dropped the trans, then pushed it off the list to the chain hoist got the engine out , and tore down the old engine
pretty productive day for such short amount of time
the engine looks brand new inside still even with all the abuse i put it threw, i was starting to show some signs of detonation though i think the popup dome pistons are to blame for that , im going to install new bearings in the bttom end reassemble it and put the engine minus the turbos into my 3/4 ton truck to replace the semi tired tbi engine
the new engine going in the car is a
4 bolt main 350 .030 over
flat top forged pistons with 4v reliefs
this one will also get a sum 1105 cam or a comp xe268
picked up a mini ram intake thats going on it
im not sure what heads im going to drop on it yet,i have a few diff heads to choose from
then the old turbo system will be put on the engine
anyways heres some more pics of the days progress
overall i have about 4 hours in it from the time i pulled it in on the lift dropped the trans, then pushed it off the list to the chain hoist got the engine out , and tore down the old engine
pretty productive day for such short amount of time
#3
Re: and so it starts
Wish my days were that productive. Think I'm going into hibernation up north here. Will be very interesting to see what the Miniram does for you. I mean, you basically had a stock TPI right?
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
besides some very basic port cleanup yes it was pretty much a bone stock tpi
and to correct my previous posting its a stealth ram, im hopping it will allow me to get the rpm i want out of the new setup
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
the new motor im tearing down and refreshing to go back int he iroc
and low and behold its not close to what i was told it was
its not bored .030 over had mismatched rockers and pushrods in it and a nice lil surprise on the number 2 piston
other then that the rod and main bearings were perfect ecept for the number 2 top half ,but not a mark on the crank
and low and behold its not close to what i was told it was
its not bored .030 over had mismatched rockers and pushrods in it and a nice lil surprise on the number 2 piston
other then that the rod and main bearings were perfect ecept for the number 2 top half ,but not a mark on the crank
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Car: 1989 Camaro Iroc Z
Engine: L98
Transmission: 700R4
Axle/Gears: 9 Bolt Borg Warner/ 2.77 gear
Re: and so it starts
Wow! Was that piston damage due to something loose in the cylinder, was it because of the wrong plugs being used, or was it due to using boost on the motor?
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
4 bolt main , forged crank , basically going to be the same as my old engine minus the domed pistons, old engine was a 355 , this new one is a std bore 350
looks like something got loose in the engine at some point , it has no cyl wall damage , and no damage to the head that was on it
it apears to either have been a piece of porcelain from a spark plug or a very tiny screw
theres a part number on the bottom of the piston so im going to order 1 new piston if i can, if i cant im going to file off the high spots and see just how bad the damage is , pistons are 0 deck so i can always machine 5 thou off the tops if need be
looks like something got loose in the engine at some point , it has no cyl wall damage , and no damage to the head that was on it
it apears to either have been a piece of porcelain from a spark plug or a very tiny screw
theres a part number on the bottom of the piston so im going to order 1 new piston if i can, if i cant im going to file off the high spots and see just how bad the damage is , pistons are 0 deck so i can always machine 5 thou off the tops if need be
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Car: 1991 Christine Z28
Engine: RV Cam and Intake 350 SBC
Transmission: 5speed
Axle/Gears: 3.08 ls Posi
Re: and so it starts
subscribed...I wish my days were that productive, but whatever can go wrong does go wrong with my car.
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
i got alot done yesterday , and i dub this new engine cheap thrills
anyways heres my progress
first up the crank shaft which is in perfect condition its already been cut .010/.010
did a basic cleaning on the block and pistons
not sure what im going to do with the one damaged piston yet , i did file off the high spots i may just stick it back in
and some other pics of the tear down
anyways heres my progress
first up the crank shaft which is in perfect condition its already been cut .010/.010
did a basic cleaning on the block and pistons
not sure what im going to do with the one damaged piston yet , i did file off the high spots i may just stick it back in
and some other pics of the tear down
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
cam , rod/main bearings , rings , gasket set , hone, ring compressor , pushrods, and split set of full roller rockers ordered
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Car: 1989 Camaro Iroc Z
Engine: L98
Transmission: 700R4
Axle/Gears: 9 Bolt Borg Warner/ 2.77 gear
Re: and so it starts
I like this thread, it makes me want to build a motor, which is something I enjoy doing. Keep the pictures coming.
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
im seriiusly starting to rethink my cam selection , i ordered a comp cams xe268 , im starting to think i should have gotten the summit 224/224 for this engine
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Engine: 3xx ci tubo
Transmission: 4L60E & 4L80E
Re: and so it starts
Looks great so far. How sharp are the edges on the piston marks? Any sharps edges to cause hot spot detonation? I don't think so but just asking.
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
Tough call on that. I think they are so close that it won't matter much. The 110 LSA will just "hit" a little harder. Idle will be a little more work to tune depending on injector size and firing scheme.
Looks great so far. How sharp are the edges on the piston marks? Any sharps edges to cause hot spot detonation? I don't think so but just asking.
Looks great so far. How sharp are the edges on the piston marks? Any sharps edges to cause hot spot detonation? I don't think so but just asking.
hate to admit it but i new the 224/224 would work great but picked the 268 cause of idle sound lol
new engine should be back together by wensday if it warms back up
work on the car has stalled otherwise , its been 0* here past few days , heater cant keep the shop warm enough to finish painting the car and i need that done before the motor goes back in
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
heres the middle 3 mains out of the old engine
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
ok cleaned up the deck, honed the cyls and cleaned up the pistons today , new rings and bearings will be here monday , so either monday or tuesday ill assemble the shortblock
gota finish polishing the piston tops , and then start polishing the chambers in the head
gota finish polishing the piston tops , and then start polishing the chambers in the head
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
just ordered a new chrome 110amp 1 wire alt
summit 224/224 cam - returning the xe268
and a set of fabricated aluminum tall valve covers to clear the poly locks and stud girdles
if anyone is looking for a nice set of valve covers cheap this is the set i just ordered ( u will need to drill ur own pcv and breather holes though )
http://www.ebay.com/itm/SBC-Small-Block-Chevy-86-Tall-Fabricated-Aluminum-Valve-Covers-SB-V8-No-hole-/150808604355?pt=Motors_Car_Truck_Parts_Accessories&vxp=mtr&hash=item231ce4aec3
summit 224/224 cam - returning the xe268
and a set of fabricated aluminum tall valve covers to clear the poly locks and stud girdles
if anyone is looking for a nice set of valve covers cheap this is the set i just ordered ( u will need to drill ur own pcv and breather holes though )
http://www.ebay.com/itm/SBC-Small-Block-Chevy-86-Tall-Fabricated-Aluminum-Valve-Covers-SB-V8-No-hole-/150808604355?pt=Motors_Car_Truck_Parts_Accessories&vxp=mtr&hash=item231ce4aec3
Last edited by project89; 12-09-2013 at 06:06 PM.
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Car: 1989 Iroc-Z Camaro
Engine: TBI,5.0
Transmission: Automatic 700R4
Axle/Gears: Eaton Posi,3.42,LPW Ultimate Cover
Re: and so it starts
For me, threads like this are indispensable. The amount of knowledge learned here is amazing. Question though ,they look great as far as the actual bead goes but are you going to file the beads on the covers down ? Seems they should blend in better or not be seen at all.
Last edited by Ron U.S.M.C.; 12-10-2013 at 01:26 AM.
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
For me, threads like this are indispensable. The amount of knowledge learned here is amazing. Question though ,they look great as far as the actual bead goes but are you going to file the beads on the covers down ? Seems they should blend in better or not be seen at all.
but i actually prefer the look
when i built the sheetmetal intake for my v6 car i left all the welds alone as well , id rather look at a nice weld then a perfectly smooth intake or valve cover
could be cause by trade i am a welder/machinist
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Car: 1989 Iroc-Z Camaro
Engine: TBI,5.0
Transmission: Automatic 700R4
Axle/Gears: Eaton Posi,3.42,LPW Ultimate Cover
Re: and so it starts
I did some research and find that most of the tall high end covers have the welds showing and do add that touch of professionalism. I’m no pro but when I was much younger I tried a few different types of welding and can agree that there is a certain amount of admiration when seeing a nice bead. Whether it’s done by hand or not.
Last edited by Ron U.S.M.C.; 12-10-2013 at 01:50 AM.
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
gota love ordering from summit racing , ordered late last night , and parts will be here by noon tomorrow, not that it really matters i cant work on it till friday anyways
my last big decision is if im going to do a main and head stud kit , kinda worried about not being able to pull the heads off in the car if i do head studs on it
and i may also spring for a fixed idler style gear drive so i can play with advance/retard on the cam pretty easy , kinda torn on that as i had one of those pete jackson noisy gear drives on one of my old irocs , i loved it for about the first 2-3 days , then i couldnt stand it
my last big decision is if im going to do a main and head stud kit , kinda worried about not being able to pull the heads off in the car if i do head studs on it
and i may also spring for a fixed idler style gear drive so i can play with advance/retard on the cam pretty easy , kinda torn on that as i had one of those pete jackson noisy gear drives on one of my old irocs , i loved it for about the first 2-3 days , then i couldnt stand it
#24
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
didnt get any actual engine work done today but i did run over to napa to pick up some moly lube for the new cam along with plasti gauges i damn near fell over at the price just over 30 bucks for 5 reds and 8 greens
atleast the tube of moly lube for the cam and lifters was only 6 bucks
was supposed to assemble the shortblock this saturday but i got a call from the towns highschool today to hire me on for djing and doing a laser light show for there hs dance,i swear there has to be something in the water in this town everyone waits till the very last minute to get stuff taken care of
atleast the tube of moly lube for the cam and lifters was only 6 bucks
was supposed to assemble the shortblock this saturday but i got a call from the towns highschool today to hire me on for djing and doing a laser light show for there hs dance,i swear there has to be something in the water in this town everyone waits till the very last minute to get stuff taken care of
#25
Re: and so it starts
I'd be tempted to do the head studs. ARPs should have an allen head in them so you can pull em out easy in car. If you don't find the limits of the main webbing on that 400 you'll quite plausibly find the limits of the deck.
I'd probably skip the main studs due to the potential for distortion of the bores and needing a line hone. I would find it amusing to see what the results were if you had a bore dial gauge and torqued em down and measured the distortion.
I'd probably skip the main studs due to the potential for distortion of the bores and needing a line hone. I would find it amusing to see what the results were if you had a bore dial gauge and torqued em down and measured the distortion.
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
I'd be tempted to do the head studs. ARPs should have an allen head in them so you can pull em out easy in car. If you don't find the limits of the main webbing on that 400 you'll quite plausibly find the limits of the deck.
I'd probably skip the main studs due to the potential for distortion of the bores and needing a line hone. I would find it amusing to see what the results were if you had a bore dial gauge and torqued em down and measured the distortion.
I'd probably skip the main studs due to the potential for distortion of the bores and needing a line hone. I would find it amusing to see what the results were if you had a bore dial gauge and torqued em down and measured the distortion.
this is another 4 bolt main 350
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
now for the last few bits of parts im waiting on and im good to go
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
i swear my car is getting more xmas presents then i will this year lol
now i just need to drill one for a pcv valve on the other im going to weld in a screw on fill cap
now i just need to drill one for a pcv valve on the other im going to weld in a screw on fill cap
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
well the valve springs off my old engine are no good and i need new valve springs , summit recomends this kit
http://www.summitracing.com/parts/sum-174000/overview/
125# on the seat , 304#'s open @ .496 lift provided the install height is correct at 1.750
springs are supposed to be good till .550 lift
but they dont give a coil bind number
would u use them or have a suggestion for a different spring?
http://www.summitracing.com/parts/sum-174000/overview/
125# on the seat , 304#'s open @ .496 lift provided the install height is correct at 1.750
springs are supposed to be good till .550 lift
but they dont give a coil bind number
would u use them or have a suggestion for a different spring?
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Engine: 3xx ci tubo
Transmission: 4L60E & 4L80E
Re: and so it starts
well the valve springs off my old engine are no good and i need new valve springs , summit recomends this kit
http://www.summitracing.com/parts/sum-174000/overview/
125# on the seat , 304#'s open @ .496 lift provided the install height is correct at 1.750
springs are supposed to be good till .550 lift
but they dont give a coil bind number
would u use them or have a suggestion for a different spring?
http://www.summitracing.com/parts/sum-174000/overview/
125# on the seat , 304#'s open @ .496 lift provided the install height is correct at 1.750
springs are supposed to be good till .550 lift
but they dont give a coil bind number
would u use them or have a suggestion for a different spring?
Sounds reasonable for standard spring.
Would be nice to see the 125# seat pressure in writing.
I decided to go with RV-1943X on my vortec heads and using a 220/220 duration, .328" lift roller
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
if u click application on the summit site it says 125# on the seat
#32
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
almost all my parts are here , new balancer , titanium retainers valve springs,locks, manley 1.94/1.5 stianless valves and new timing cover will be here thursday
other then that im waiting on poly locks , and stud girdles no eta on those though as i still dont have a tracking number
so far heres what i have
engine tech fireseal gasket set
engine tech .010 main and rod bearings ( federal m)
engine tech plasma moly rings ( perfect cirlce)
summit racing 222/224 @ .050 camshaft .496/.466 lift with split ratio rockers
summit racing hyd lifters
pmgr 110 amp polished 1 wire alt
adept performance split ratio stainless roller rockers
1 set tall fabricated aluminum valve covers
should be going together this weekend
other then that im waiting on poly locks , and stud girdles no eta on those though as i still dont have a tracking number
so far heres what i have
engine tech fireseal gasket set
engine tech .010 main and rod bearings ( federal m)
engine tech plasma moly rings ( perfect cirlce)
summit racing 222/224 @ .050 camshaft .496/.466 lift with split ratio rockers
summit racing hyd lifters
pmgr 110 amp polished 1 wire alt
adept performance split ratio stainless roller rockers
1 set tall fabricated aluminum valve covers
should be going together this weekend
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Car: 84 Camaro z28
Engine: 355
Transmission: Th350
Axle/Gears: 4.10
so with winter finally here its time to get to work on the tt iroc first paint the engine bay then #1 new trans #2 new engine #3 larger turbos #4 remove triple zr-1 pumps and install twin areomotive 340lph pumps #5 install -8 fuel lines -6 return #6 replace rear pinion seal #7 install frame connectors #8 finally get my 10 pt cage installed #9 finish the paint job this was taken this morning and 45 mins later taking a small break then im going to remove the old engine , and start tearing down the soon to be new engine ill have pics up in a few hours as work progresses timeline for everything to be completed on this lil project is 3-4 weeks
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Engine: 3xx ci tubo
Transmission: 4L60E & 4L80E
Re: and so it starts
Titanium valve parts?
I thought you were going with the summit racing $70 valve spring and retainer kit. Why did you change your mind?
I thought you were going with the summit racing $70 valve spring and retainer kit. Why did you change your mind?
#38
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
just in the engine i have about 1,300 with the new turbos
paint is about 300
id have to look at all my receipts for everything and add it up but truth be told id rather not know
ive had issues with full rollers in the past on street engines, thats why i went with roller tip only
paint is about 300
id have to look at all my receipts for everything and add it up but truth be told id rather not know
ive had issues with full rollers in the past on street engines, thats why i went with roller tip only
#39
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
well that stuff came in and of course the retianers are the wrong size , so i ordered up the summit kit and red labeled it the other day , should be here today
tommorow i start assembling the new engine, should of been today but as soon as ups gets here i gota go run to the shop and install a new muffler on my truck picked up a cheap jegs chambered muffler apears to be a flowmaster super 44 knockoff
#40
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
started to assemble the new engine today didnt make it very far due to a piston ring issue
main clearance is as follows ( front to rear)
#1 .0025 -.003 ( hard to tell exactly with the plastigauge as it only went from .002 to .003
#2 .003
#3 .003
#4 .003
#5 .0025 - .003
over all im pleased with the clearances on this engine
the mains are tq'ed 80ftlbs inner bolts , and 70ftlbs outers
then it came time to fit the rings
im going with a .029 top gap and .023 second gap
anyways i went to put the first ring in the bore to measure it to see how much id have to file it and the gap came out at .081 , looks like they sent me a standard ring set instead of a .030 over set
so its on hold for now till i can get the ring set exchanged or another set on its way
main clearance is as follows ( front to rear)
#1 .0025 -.003 ( hard to tell exactly with the plastigauge as it only went from .002 to .003
#2 .003
#3 .003
#4 .003
#5 .0025 - .003
over all im pleased with the clearances on this engine
the mains are tq'ed 80ftlbs inner bolts , and 70ftlbs outers
then it came time to fit the rings
im going with a .029 top gap and .023 second gap
anyways i went to put the first ring in the bore to measure it to see how much id have to file it and the gap came out at .081 , looks like they sent me a standard ring set instead of a .030 over set
so its on hold for now till i can get the ring set exchanged or another set on its way
#41
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
got a new set of .030 over moly rings on the way second day air so they should be here right after xmas.
hoping i can get this thing together and back in the car next weekend barring any other issues
soon as this engine is done im going to send out my roller block for machining as a spare engine for this coming years drag season
.030 over dish pistons
vortec heads
vortec hsr
roller cam
was going to put it in my silverado but im going to do the build super chevy i think it was did with a vortec headed 406 and put that in my truck instead, then the thing might have some much needed towing power lol
hoping i can get this thing together and back in the car next weekend barring any other issues
soon as this engine is done im going to send out my roller block for machining as a spare engine for this coming years drag season
.030 over dish pistons
vortec heads
vortec hsr
roller cam
was going to put it in my silverado but im going to do the build super chevy i think it was did with a vortec headed 406 and put that in my truck instead, then the thing might have some much needed towing power lol
#42
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
rings wont be here till tuesday or thursday , tracking number says schedualled for jan 2nd but it says 2 busniess days left on the tracking so im hoping they will be here tuesday
the heads i pulledd off the original motor are junk , they have so much valve guide cleance i can move the valve around damn near an 1/8th inch ) its a shame cause they have a really nice port job and bronze guides installed
i refuse to spend the money for new guides so i broke down and bought a set of heads
200cc 64 cc chambers and the hsr , should be a nice gain over the tpi and iron heads
as of right now the only thing done on the engine is the crankshaft is installed
besdies that i picked up a good th350 core and th400 build cost thanks to my friend is minimal on the th350 so i may try that first but i have a feeling im going to end up with the th400 in the end
the heads i pulledd off the original motor are junk , they have so much valve guide cleance i can move the valve around damn near an 1/8th inch ) its a shame cause they have a really nice port job and bronze guides installed
i refuse to spend the money for new guides so i broke down and bought a set of heads
200cc 64 cc chambers and the hsr , should be a nice gain over the tpi and iron heads
as of right now the only thing done on the engine is the crankshaft is installed
besdies that i picked up a good th350 core and th400 build cost thanks to my friend is minimal on the th350 so i may try that first but i have a feeling im going to end up with the th400 in the end
#43
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
so somehow i goofed up when figuring out the cr with the new heads , and its going to be 10.2-1 with my current flat tops and a .041 gasket ( opps lol ). so now im ordering up a new set of pistons , im not even going to buy forged ones going to get a 90$ set of Speedpro H423ACP's , theese are dished 4vr pistons with a 10 cc dish
theese are .020 down in the hole though so a .021 or .015 shim type gasket will be mandatory , ut compression will be back down in the 8.9-1 to 9.1-1 range
i fought off the urge to buy a set of bushed rods so i could use floating pins , but the more i thought about it the more i relized it wasnt worth the extra cost as ive already spent to much money on this thing
theese are .020 down in the hole though so a .021 or .015 shim type gasket will be mandatory , ut compression will be back down in the 8.9-1 to 9.1-1 range
i fought off the urge to buy a set of bushed rods so i could use floating pins , but the more i thought about it the more i relized it wasnt worth the extra cost as ive already spent to much money on this thing
#45
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
i dont want my cr lower then 8.9-1, with the cam im running , at 8.5-1 it prolly wouldnt be to nice to drive at low speeds
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Engine: 3xx ci tubo
Transmission: 4L60E & 4L80E
Re: and so it starts
The single plane EFI, roller cam, head parts, and crank quickly added up to almost a grand. Sad, I can search around and find LQ4 6.0 LSx every once in a while for that price.
#47
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
im running it as is with the flat top pistons, if it pings ill pull the motor and swap the pistons out for the dished pistons
95% of this cars life is daily driver duty at 7-12 psi even with 10.2-1 comression it should be fine , methanol injection should be enough for higher boost when it sees track time
95% of this cars life is daily driver duty at 7-12 psi even with 10.2-1 comression it should be fine , methanol injection should be enough for higher boost when it sees track time
#48
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
lol heres what caused the snowball , i should prolly just replace the guides as the heads already are ported and have bronze guides , but its my excuse to the wife to get a set of aftermarket heads
#49
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Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: and so it starts
talk about snowballing i just bought a used nx nitrous direct port kit
thinking about dropping the turbos and just setting the motor up on nitrous alone
thinking about dropping the turbos and just setting the motor up on nitrous alone