first rebuild - 350sb 700r4 trans.
Thread Starter
Junior Member
Joined: May 2011
Posts: 98
Likes: 0
From: buffalo NY
Car: 1984 z28
Engine: first gen small block 350
Transmission: 700r4
Axle/Gears: stock
first rebuild - 350sb 700r4 trans.
hello everyone. sorta new to the forums.
well im finally gonna rebuild my 350 and 700r4 trans
should be a good project to start and finish before spring i hope haha
well this is what i got done today
sorta half way there..

winner.


so dirtyyyy

finally =D

now just have to get it to my house garage and clean up the engine bay, get all the wires i dont need outta the way, fix a little rust on the battery tray, prime and paint it either flat black or semi gloss not sure yet.
More pictures and info coming once i start cleanign and rebuilding the motor and trans.
well im finally gonna rebuild my 350 and 700r4 trans
should be a good project to start and finish before spring i hope haha
well this is what i got done today
sorta half way there..

winner.


so dirtyyyy

finally =D

now just have to get it to my house garage and clean up the engine bay, get all the wires i dont need outta the way, fix a little rust on the battery tray, prime and paint it either flat black or semi gloss not sure yet.
More pictures and info coming once i start cleanign and rebuilding the motor and trans.
Joined: Sep 2011
Posts: 1,037
Likes: 22
From: nc
Car: 91RS
Engine: carb'd 357 vortec
Transmission: 700r4
Axle/Gears: 3.42 posi
Re: first rebuild - 350sb 700r4 trans.
nice!!!!!!!!!!!!!!!!!!!!!! let us know how it turns out i am trying my very firs build right now also.
Thread Starter
Junior Member
Joined: May 2011
Posts: 98
Likes: 0
From: buffalo NY
Car: 1984 z28
Engine: first gen small block 350
Transmission: 700r4
Axle/Gears: stock
Re: first rebuild - 350sb 700r4 trans.
UPDATE:
have the trans out getting fully rebuilt
cleaned up the engine a little, started to clean up engine bay
pics soon!
have the trans out getting fully rebuilt
cleaned up the engine a little, started to clean up engine bay
pics soon!
Thread Starter
Junior Member
Joined: May 2011
Posts: 98
Likes: 0
From: buffalo NY
Car: 1984 z28
Engine: first gen small block 350
Transmission: 700r4
Axle/Gears: stock
Re: first rebuild - 350sb 700r4 trans.
well trans is all set and ready to get picked up. should have it this coming week if i can keep my wallet closed lol
it always seems like time goes by so slow when your waitiing for your taxes to get back, ugh. oh well pics in the next week or so !
it always seems like time goes by so slow when your waitiing for your taxes to get back, ugh. oh well pics in the next week or so !
Thread Starter
Junior Member
Joined: May 2011
Posts: 98
Likes: 0
From: buffalo NY
Car: 1984 z28
Engine: first gen small block 350
Transmission: 700r4
Axle/Gears: stock
Re: first rebuild - 350sb 700r4 trans.
okay been awhile but i got the car finall home and started working on it last night. got the ac box out ( in like 5 parts ) but i have a few questions.
1. since my car had emission stuff on it and the person before dropped in the 350, they just left all the old wires and everything in the bay, well since none of the wires in the main harness going into the passenger side of the fender are connected to anything, can i just remove them all? they look like they go to the computer thats still in the dash, so i could just remove the computer and the wiring harness. it would only make sense that the computer would of ran the emission stuff.
heres a pic of what i mean


2. this harness

runs to the trans, since i have the trans rebuilt so it doesnt need to be run by the computer i can just elminate that as well right?
1. since my car had emission stuff on it and the person before dropped in the 350, they just left all the old wires and everything in the bay, well since none of the wires in the main harness going into the passenger side of the fender are connected to anything, can i just remove them all? they look like they go to the computer thats still in the dash, so i could just remove the computer and the wiring harness. it would only make sense that the computer would of ran the emission stuff.
heres a pic of what i mean


2. this harness

runs to the trans, since i have the trans rebuilt so it doesnt need to be run by the computer i can just elminate that as well right?
Re: first rebuild - 350sb 700r4 trans.
I wouldn't want to tell you to do something. But if it was me I would take the wires out. not cut them. And sell them to someone who may need or want them for there car. As for your paint choice. I'd go with semi-gloss black. I myself always wiked that better than flat. but its your car
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iTrader: (10)
Joined: Oct 2007
Posts: 1,881
Likes: 2
From: Fl.
Car: 83 Trans Am / 96 Jeep XJ
Engine: 355 / 4.0 I6
Transmission: TH350 / Auto
Axle/Gears: 3.23 10-bolt / 4wd
Re: first rebuild - 350sb 700r4 trans.
You could always thin the wiring harness out and use only the essential wires from the ahrness, like I am doing for my bird.
My harness went from this:

To this:

Go through this thread to see the best way to thin out a third gens wiring harness and use only the wires that you need if your going without an ECM, etc..
https://www.thirdgen.org/forums/ltx-...p-3rd-gen.html
My harness went from this:
To this:
Go through this thread to see the best way to thin out a third gens wiring harness and use only the wires that you need if your going without an ECM, etc..
https://www.thirdgen.org/forums/ltx-...p-3rd-gen.html
Thread Starter
Junior Member
Joined: May 2011
Posts: 98
Likes: 0
From: buffalo NY
Car: 1984 z28
Engine: first gen small block 350
Transmission: 700r4
Axle/Gears: stock
Re: first rebuild - 350sb 700r4 trans.
cool cool , well i went there and seen but i dont have the time to read that whole thing so can you tell me what the wires are you saved for your harness?
Thread Starter
Junior Member
Joined: May 2011
Posts: 98
Likes: 0
From: buffalo NY
Car: 1984 z28
Engine: first gen small block 350
Transmission: 700r4
Axle/Gears: stock
Re: first rebuild - 350sb 700r4 trans.
i have a few questions about the blower motor wiring and what not.
heres all the wires that i have in the harness for it
i know i need to keep the resistor and the plug for the blower motor but what about these connections?



and heres how my bay looks so far, just have to remove the brake booster and then i can start cleaning and priming it, any tips on what paints work good for that ?
heres all the wires that i have in the harness for it
i know i need to keep the resistor and the plug for the blower motor but what about these connections?



and heres how my bay looks so far, just have to remove the brake booster and then i can start cleaning and priming it, any tips on what paints work good for that ?
Thread Starter
Junior Member
Joined: May 2011
Posts: 98
Likes: 0
From: buffalo NY
Car: 1984 z28
Engine: first gen small block 350
Transmission: 700r4
Axle/Gears: stock
UPDATE: first rebuild - 350sb 700r4 trans.
well i got my engine ba cleaned, sanded and primed.
just waiting a couple hours then im gonna spray it with some flat black


just waiting a couple hours then im gonna spray it with some flat black



Thread Starter
Junior Member
Joined: May 2011
Posts: 98
Likes: 0
From: buffalo NY
Car: 1984 z28
Engine: first gen small block 350
Transmission: 700r4
Axle/Gears: stock
Re: first rebuild - 350sb 700r4 trans.
well i wonder if my car is a piece of crap since i really dont get any action on here haha anywas it wont stop me from posting my updates
finished the engine bay paint job. flat black , came out pretty damn good considering all i used was can paint
what do you think? i think its come along way since i started



finished the engine bay paint job. flat black , came out pretty damn good considering all i used was can paint
what do you think? i think its come along way since i started



Supreme Member
iTrader: (10)
Joined: Oct 2007
Posts: 1,881
Likes: 2
From: Fl.
Car: 83 Trans Am / 96 Jeep XJ
Engine: 355 / 4.0 I6
Transmission: TH350 / Auto
Axle/Gears: 3.23 10-bolt / 4wd
Re: first rebuild - 350sb 700r4 trans.
Lol, no third gen is a piece of crap.. 
I didn't notice you posted, haha. I am not sure about the wiring for the AC, but I do see the power wire, ground, resistor pack, and relay which all need to be kept is you want AC, as well as the compressor line (with the resistor across it) and the wires from that starter to the blower housing.
I like the flat black, I also painted mine flat black:

What are your plans for the engine/accessories color? Doing any engine modifications, or just a stock rebuild?
Keep up the good work!!

I didn't notice you posted, haha. I am not sure about the wiring for the AC, but I do see the power wire, ground, resistor pack, and relay which all need to be kept is you want AC, as well as the compressor line (with the resistor across it) and the wires from that starter to the blower housing.
I like the flat black, I also painted mine flat black:

What are your plans for the engine/accessories color? Doing any engine modifications, or just a stock rebuild?
Keep up the good work!!
Thread Starter
Junior Member
Joined: May 2011
Posts: 98
Likes: 0
From: buffalo NY
Car: 1984 z28
Engine: first gen small block 350
Transmission: 700r4
Axle/Gears: stock
Re: first rebuild - 350sb 700r4 trans.
yea im just getting rid of the ac since i really can live without it haha. thanks tho. i like the flat black as well but it seems to strach easy so i gotta be careful. well im going for a moderate build for the engine. just putting a nice comp cam in my 350. getting the heads shaved down 0.030 off the deck. intake, headers you know the normal. and the trans got a nice performance rebuild, got a screaming deal on as well. got a whle new housing full real build internal with performance goodies 2000 stall for 550$. just gotta get some 3.73s in the rear and ill be good for the summer. next year im planning on getting a full paint job. idk if i want it black or a nice silver hmm
Supreme Member
iTrader: (10)
Joined: Oct 2007
Posts: 1,881
Likes: 2
From: Fl.
Car: 83 Trans Am / 96 Jeep XJ
Engine: 355 / 4.0 I6
Transmission: TH350 / Auto
Axle/Gears: 3.23 10-bolt / 4wd
Re: first rebuild - 350sb 700r4 trans.
Cool man, I gotta get some 3.73's for mine too. High lift cam, split duration and 3k stall, my 3.42s wont cut it! :P
I kinda like the red/silver theme your car has going on now, actually..
I kinda like the red/silver theme your car has going on now, actually..
Senior Member
Joined: Mar 2011
Posts: 578
Likes: 1
From: Colorado Springs
Car: 91 firebird Formula 350
Engine: 350 TPI
Transmission: N/A, working on a t5 swap
Axle/Gears: 3.73 posi
Re: first rebuild - 350sb 700r4 trans.
looks great guy! cant wait to see what it looks like when done. I'm probably gonna be stuck doing this same thing soon. blue smoke of death coming from my brand new exhaust :\. good luck man. keep posting!
Thread Starter
Junior Member
Joined: May 2011
Posts: 98
Likes: 0
From: buffalo NY
Car: 1984 z28
Engine: first gen small block 350
Transmission: 700r4
Axle/Gears: stock
Re: first rebuild - 350sb 700r4 trans.
the engine bay came out really well. its been awhile since ive updated this but really nothing has gotten any further. i got an ac delete box put its been to cold out still to go paint it and wire it in. i also got some engine goodies in

just ordered myroller tip rocker arms and lifters the other day so those should be in either monday or tuesday.
i still gotta take of my heads and see if i need to replace the piston tops and see how my cylinder walls are. i hope everything is fine.
just gotta order my intake, mini starter, and headers and get my heads worked on and ill be ready to put her back together so i can finally enjoy it again

just ordered myroller tip rocker arms and lifters the other day so those should be in either monday or tuesday.
i still gotta take of my heads and see if i need to replace the piston tops and see how my cylinder walls are. i hope everything is fine.
just gotta order my intake, mini starter, and headers and get my heads worked on and ill be ready to put her back together so i can finally enjoy it again
Thread Starter
Junior Member
Joined: May 2011
Posts: 98
Likes: 0
From: buffalo NY
Car: 1984 z28
Engine: first gen small block 350
Transmission: 700r4
Axle/Gears: stock
Re: first rebuild - 350sb 700r4 trans.
got my roller tip rocker arms and lifters the other day, so i pulled off my heads just to see what i was getting into with the block cause i didnt know anything about the engine nor did the other owner before me. and to my surpise it has already been bored .030 over and still looks fresh! so happy, now i just gotta get my heads checked out and put everything back together so pumped
Thread Starter
Junior Member
Joined: May 2011
Posts: 98
Likes: 0
From: buffalo NY
Car: 1984 z28
Engine: first gen small block 350
Transmission: 700r4
Axle/Gears: stock
Re: first rebuild - 350sb 700r4 trans.
its been awhile since i have updated hah but finally making progress again, got my engine back and started putting her all back together
comp cams thumpre, bored .030 over roller tip rockers, air gap intake, few other things.
heres some pictures







just gotta get a water pump, valve covers, headers, and a few extra things hopefully be done by the end of the month
comp cams thumpre, bored .030 over roller tip rockers, air gap intake, few other things.
heres some pictures
just gotta get a water pump, valve covers, headers, and a few extra things hopefully be done by the end of the month
Thread Starter
Junior Member
Joined: May 2011
Posts: 98
Likes: 0
From: buffalo NY
Car: 1984 z28
Engine: first gen small block 350
Transmission: 700r4
Axle/Gears: stock
Re: first rebuild - 350sb 700r4 trans.
so its been some time since i posted an update on here, prob like a year but anyways the car is finally finsihed and im pretty happy with it as of rigth now.
I cant tell you how many stupid little things i ran into while trying to finish this pos. from having to modify the exhaust to not being able to find a v-belt for weeks, but its been all worth it in the end
so heres some pictures of how the rest went, i had more but they were on my other phone and it broke, go figure
finally getting the engine and trans in

getting her off the jack stands, sitting on those things for over a year :0

finished product


then i found on craigslist a set of 4th gen wheels with good tires for $100!!
so this how she sits as of today, shes put away for the winter now but im planning to lower the front end, get a new cowl hood and fresh paint next spring.

think ive made a pretty good investment in this car, i dont know if ill ever get the money back i put into her but i wouldnt trade this experience in for anything else
I cant tell you how many stupid little things i ran into while trying to finish this pos. from having to modify the exhaust to not being able to find a v-belt for weeks, but its been all worth it in the end
so heres some pictures of how the rest went, i had more but they were on my other phone and it broke, go figure
finally getting the engine and trans in

getting her off the jack stands, sitting on those things for over a year :0

finished product


then i found on craigslist a set of 4th gen wheels with good tires for $100!!
so this how she sits as of today, shes put away for the winter now but im planning to lower the front end, get a new cowl hood and fresh paint next spring.

think ive made a pretty good investment in this car, i dont know if ill ever get the money back i put into her but i wouldnt trade this experience in for anything else
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