1986Z28OWNER

iTrader: (1)

I was wondering when someone was going to actually post lol, was thinking I was wasting my time posting lol

BADNBLK

iTrader: (11)

I'm watching!

InfernalVortex

iTrader: (4)

Yeah Im watching too.

TORN

iTrader: (17)

Dude Love the pics, project is looking great so far!

1bad91Z

iTrader: (1)

Subbed! I like watching decent builds...

Good Luck!

1986Z28OWNER

iTrader: (1)

Another update!

As most of you know, I parted out my 1991 z28 because of accident damage, but up until now I still had the car. I needed the room at home so on Thursday it went to camaro heaven...



Saturday I took my powermaster 140 alternator apart to replace the front half of the case due to a broken off mounting ear.





Today I finally got going on the block machine work.

Notched the bottom of the cylinders for connecting rod clearance.



Decked the back of the block true to the mainline, this way the deck will true aswell.



Rough bored the block to 4.025"







The factory decks on this block were absolutely HORRIBLE. thankfully they cleaned in the 0.021" I removed from them

1986Z28OWNER

iTrader: (1)

More pics...







Also surfaced the china walls..


All done!


Took some time to clean up some of the nasty casting flash all over the block...


Tommorow I will bolt up the torque plate and hone the cylinders to size on our Rottler HP-6A diamond hone, and then I can wash it and start putting it together!!!!!!

1986Z28OWNER

iTrader: (1)

Well after last nights update I decided to go back to work. Raided our ARP bolt collection and found some polished stainless 12pt ARP bolts for my accesory brackets and pulleys. Also ordered a set of Durabond teflon coated cam bearings.







Then I decided to chase the head bolt threads in the block... which was going great until the tap broke on the second hole...






So I built my own tap extractor out of a 6mm socket. worked great! more to come tonight!

1986Z28OWNER

iTrader: (1)

More parts and progress tonight!

Scat 9000 3.75" stroke crank.


Centerforce dual friction clutch.


Autometer phantom series elec speedo and tach.


Power steering pump and pressure hose


MSD 6AL ignition box.


Also mounted my battery disconnect switch. Turned out pretty nice IMO


Plenty of clearance...


Should be getting more parts tommorow!

1986Z28OWNER

iTrader: (1)

Got my new Canton road race oil pan today, was going to run the moroso pan, but didnt want to go through the hassle of notching my stock k-member. Another 300$ out the door....

Gsoleski

Very impressive build! Can I ask how did you like working in a speed shop right after high school? I want to do the same thing. Also what the purpose of the battery disconnect switch? I've never seen one before

1986Z28OWNER

iTrader: (1)

I was your typical cocky teenager right outta high school, working for the speed shop humbled me quick, but I caught on and quickly became one of the best saleman. Did that for 2 years and got tired of dealing with your regular joe blow with a ****** and a monte carlo and left there in June of 09. Started at my current place in November of 09. BIG learning curve, you learn the proper way to do things and I hate to say it but start to look down upon others when they hack a car together. Im very picky when it comes to my stuff, slightly OCD I think. If I could do it all over, I would do it all the same, I love what I do. I love that I dont have to rely on others to do my machine work, or assemble my engines. I have a 6000sq ft shop I have 24/7 access to with some of the best equipment out there, and a business card that says manager. Like I said, Im pretty happy.

The battery disconnect switch is required by most racing sanctioning bodies require them when the battery has been relocated to the rear of the car. Its so the vehicle can be shut off in the event off an accident.

1986Z28OWNER

iTrader: (1)

Got a bit more done tonight, had to take off right after work to pull the Hemi out of the funny car, but came back and had enough time to get the block in the hone and bolt the torque plate on. Tomorrow morning I plan on coming in early to hone it.





Honing diamonds!



More Parts!! Speakers are boston acoustics 4x6's and rockford 6x9's

1986Z28OWNER

iTrader: (1)

Got one side of the block honed this AM, also got my new pistons yesterday. I trusted someone at the swap meet and got lied to, he told me they were a 13cc dished piston, but thruthfully they were a 20cc dish. So another 650$ later I had another set of pistons to get the CR I wanted... Also got the rest of my autometer gauges, a elec oil temp, oil psi, and fuel PSI.

1986Z28OWNER

iTrader: (1)

Got a little bit more done tonight. If I keep making decent progress like this I should be able to meet my goal of driving the car June 1st. Honed the other side of the block, Now I just gotta do a little bit of cleanup work at the bottom of the cylinders and I can final wash the block.



Measuring the radial depth of the piston ring grooves to make sure the supplied rings are correct



Pistons and pins all weighed out





New 383 bobweight card!



Checking the pinbore clearance on the new pistons... 0.0008" is were I always want my .927" pin clearance.



And finally I detailed the pistons to remove any sharp edges.

91NHcamaro

I absolutely love this whole project, keep it up and good luck meeting your goal!

1986Z28OWNER

iTrader: (1)

Got alot done in the past 2 days, hoping to have the shortblock done tomorrrow and have the engine on the dyno in the next 2 weeks. Starting last night by balancing the new 383 crank.







Ended up having to install a slug of mallory in the front of the crank, other then that, it was pretty straight forward...







Also picked up a brand new AC Delco A/C compressor for 100$

1986Z28OWNER

iTrader: (1)

Pulled my block out of the hone and gave it one more inspection and the final washed it for assembly.





Installed the oil plugs and dowels...



Thats where I called it a night. Came back this morning after picking up some gloss black engine paint and got the frost plugs and cam bearings installed after giving it a fresh coat of paint.



Next I started checking my bearing clearances





Crank and cam, in place. w/ a Progear billet timing set



Rear seal installed



Degreeing the camshaft



Had to advance it 2 degrees..

1986Z28OWNER

iTrader: (1)

Checking rod bearing clearance.



The heads have also been tapped for screw in studs now, just gotta mill the faces of them....



More to come tomorrow...

solaris_vii

iTrader: (3)

wow, great work!

91NHcamaro

That is looking great, after reading how you're doing all of this someone offered to sell me a 350 outta a '71 camaro for $100 so i'm thinking i kinda wanna do about the same to mine now haha.

kmcn47

keep it coming

1986Z28OWNER

iTrader: (1)

Thanks guys, I got busy on sunday and its probaly going to be thursday before I get another chance to get going on this thing again. I also changed my mind on the desired bearing clearance I wanted. Originally I set them all to 0.0028-0.003" but I am goign to change them to 0.0024"-0.0025". Heads should be done in the next week or 2 and I have a goal of dynoing the engine in the first week or two of may. I ordered a Covans classic dash panel for the autmeter gauges, I should also be starting on the bodywork soon aswell. More updates to come.

86T/A_Ram_Air

wow this is coming along fairly quickly, nice work

1986Z28OWNER

iTrader: (1)

My cylinder head guy got the exhaust valve job cut to I was finally able to figure out an installed height, Tested the valve springs, had a variance in pressure of 4 lb's, both on the seat and open. Also received my Covans classic dash panel for my autometer gauges. Tonight I will be working on the engine again.

3318RS

Awesome build, I will check this DAILY!!!!

kmcn47

he seems to update daily

1986Z28OWNER

iTrader: (1)

Got the shortblock done tonight, need the heads to go any further, hoping to have them done for next weekend, but im not sure...

Started off the night by bolting on the timing cover, balancer and timing pointer, also set true TDC on the billet adj. pointer. Then I started filing the rings. The rings included witht he Wiseco pistons were garbage. the top gap out of the box was 0.025" and the second was 0.026". Luckily I had a set of Mahle standard tension rings.





Next I assembled the rods and pistons and installed them...





All in!



Next I check rotatinf clearance on the pan. The only clearancing I had to do was for my Lokar dipstick..





Oil pan on!



All done for the night...

TORN

iTrader: (17)

Looking great. I hope to get my 421 built this far on Sunday.

NagleMac

iTrader: (1)

Great thread, the only thing I hate about these fast moving threads is how jealous it makes me when I have to wait so long in between parts coming haha

ThirdGenDemon

Looks amazing! Keep it up!

91 Droptop

This is the way to build a motor, all tollerences and clearences double checked; every thing balanced, great job

CaliChevyLover

subscribing to this bad boy, awesome.

1986Z28OWNER

iTrader: (1)

Finally got more accomplished last night, not alot, but something...

Made some changes to the carb as per the reccomendation from john at AED. knock down the jetting and installed a 4.5" PV in the rear. Also installed some ARP stainless float bowl screws.



Also CC'd the chambers to get an idea where I was sitting with my compression ratio before we surface the heads. Came in at 61.2/61.4cc's which left my compression at 10.3:1.





I also got a smokin deal on a set of Crower 1.6 7/16" stud steel roller rockers, which meant I had to change my valve springs, went to a comp cams 26918-16 beehive with a steel retainer, PPP keepers and locators.




More to come tonight!

1986Z28OWNER

iTrader: (1)

Another update...

Compared the weights of the new vs. old valve spring/retainers. New ones are 44grams lighter!





Also got a set of ISKY adjustable guideplates to have better control of where the rocker arm tip is going to sit.



Crower stainless body 1.6 ratio 7/16" stud rocker arms.



My head guy also finished up the porting, there is just some very minor cleanup left to do now.



We raised the roof of the exhaust ports aprox. 0.075" and opened up the port around the guide.

LivinLarge

Badass build!!

1986Z28OWNER

iTrader: (1)

Another update.

Random shot after I bolted up the water pump.



Cut the spring pockets to a 1.350" OD to fit my PPP locators and comp beehive springs.





Since Im going to try and put a 3/8" pushrod in this engine I ground out a bunch of meat in the pushrod area which ate up alot of time...

SDTransAM

iTrader: (5)

Wow man, great work. I bet it's going to run awesome.

1986Z28OWNER

iTrader: (1)

Got the heads sufaced last night, took 0.006" to clean them up. Also milled .400" off the rocker stud bosses. Just waiting on the +0.100" longer valves(didnt have enough installed height...) then I cal lap the valves, set my guide clearances and do my mock assembly to figure out PR length and piston to vavle. Then the rest of the engine can go together and get dynoed!









Also did some minor porting/cleanup on the Perf RPM intake.







New polished aluminum valve covers



Also took a bunch of old MSD dist's and made one new one, had to put a new pickup into it and a cap and rotor, but its ready to go now!





More to come!

CaliChevyLover

damn photobucket....try using another site to host your pics...I use www.imgur.com a lot, it's great

1986Z28OWNER

iTrader: (1)

Pics are magically back up somehow... Another update coming in a hour or so.

1986Z28OWNER

iTrader: (1)

Tuesday night i got a fair bit accomplished, started by mounting all the gauges in the covans panel, going to wire them up soon.



Next I lapped in the new Manley stainless valves







Then I did my mock assembly, brow clearance was good, so I figured out my pushrod lengths (7.300") and then checked my piston to valve. I had over .140" PTV clearance on both the intake and exhaust. I didnt have room for a 3/8" pushrod so I ordered a set of Manton 5/16" x 0.118" wall pushrods.

JAYSIROCZ

wow man u should have kept the original motor the way it was looks good mine used to look like that im new to the site currently restoring a 86 iroc-z myself yours is gona be nice when your done

1986Z28OWNER

iTrader: (1)

Last night I finally got to put the heads together, and got them on the engine. Also got all the adj. guideplates trimmed and fitted and got the rocker arms sitting nicely over the tip of the valve. Il probaly put the intake on friday and I should have pushrods next monday. I should be ready to dyno next weekend!







Checking port alignment...

1986Z28OWNER

iTrader: (1)

lg4 305 just wasnt going to cut it for me lol, thanks!

ThirdGenDemon

Look at all the shiny! Love it! Such a quick build. Mine is taking for ever...

1986Z28OWNER

iTrader: (1)

So my pushrods arrived on Friday rather than Monday, whcih gave me something to do this weekend. So Friday night I got to installing them.



First thing I did was give them a good cleaning. Then I proceded to lube the tips of the pushrods and valve tips w/ EP-3 lube. This helps on initial startup. The pushrods themselves are Manton 5/16" 0.118" wall, 7.300" long.









All In!



Next I dumped in 7L of Joe Gibbs breakin oil.



Next I dropped the intake on and checked my port alignment using a flexible camera...



The ports lined up nice so I proceded to seal up the intake. After that I primed it, had oil to all 16 rockers in about 15 seconds and had 60psi oil pressure.

1986Z28OWNER

iTrader: (1)

Dist installed, starting to make plug wires.



I was unsure of plug boot clearance so I bolted up the headers. Also threw the valve covers on to keep any potential crap out of the engine.



All Done.







Bolted up the passenger side AC bracket to figure out fuel line routing and that about where I called it a day.

kmcn47

what kind of oil filter is that? it looks like it says motorcraft, if it does shame on you all that money in the engine and that cheapo oil filter

DrewsCam

iTrader: (2)

that machine looks like shes coming together nicely bro... keep up the good work...