LT1-LT4 Modifications 1993-97 Gen II Small Block V8

mattcossel29's build thread

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Old Sep 11, 2010 | 03:57 AM
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This is a slow budget build I have been working on for quite some time now.. I figured I would just copy my build info off of another site and post it here for you guys..

I want to get a shout out to Austin (355z28) on here for all the help he has been in helping round up the parts and helping keep me motivated throughout the entire process!

Anyways, here is the info:
Just loading it up..



I dont have any shots of the tear down..

Because of a few setbacks I have not had the chance to make much progress on the Formy..
But here are a few teaser shots of what has been done so far!

Boxes boxes everywhere :teeth:
355 LT1 with Speed Pro hyper eutectic -5cc pistons, Comp Cam cc306 grind, OEM rods with ARP rod bolts, OEM crankshaft.




Still jackstand ballin.. :sad:



Its not a pretty build but its mine and I am proud of it!

Update: 9/11/10
Got my heads back.. Lightly ported stock heads milled and has Manley 2.02/1.60 valves, comp 918 springs/retainers, Comp Cams roller tip 1.6 rockers, Comp Cams Magnum OEM length push rods.
Pictures with heads on motor:



Update: 9/20/10
Didn't get much done.. Just got the rear main seal housing, oil pan, and optispark bolted on. I did have the IM bolted on it but then I noticed glass beads from when my friend bead blasted it in the intake manifold. So I took it off and painted it.. As well as the block and oil pan.



10/1

Over all tonight was a pretty productive night. I had a few setbacks but all in all progress was made. I was finally able to clean up the intake manifold and get it put back together and bolted on. I also got the accessory bracket cleaned up and bolted it back on again. Got the motor mounts on and dropped it in the cradle. Put the stall converter in the transmission and got that bolted onto the engine. I am hoping if things go as planned it should be going in about a week!





Update 10/7/10

I just buttoned things up getting ready to lift it back up into the car.. Things such as the power steering pump, ac delete pulley, throttle body, headers, fuel rails and injectors..

I also did some touch up painting to the engine bay.









10/9/10

Big update!

Got all the sensors and little things bolted up and the wiring harness ran, changed out my injectors, and put it in the car and got quite a various things done.. Coolant lines ran, vacuum lines, driveshaft, etc...





Last edited by mattcossel29; Oct 9, 2010 at 04:46 AM.
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Old Sep 11, 2010 | 04:31 AM
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nice build
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Old Sep 12, 2010 | 01:00 AM
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Thank you!
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Old Sep 12, 2010 | 01:08 AM
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Cool, id like to see your Formula transform.

I have a 97 Firebird V6 which i want to do a complete V8 build.

Last edited by LT1; Sep 12, 2010 at 01:15 AM.
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Old Sep 12, 2010 | 05:29 AM
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what about the little nova in the background?
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Old Sep 12, 2010 | 06:30 AM
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Originally Posted by LT1
Cool, id like to see your Formula transform.

I have a 97 Firebird V6 which i want to do a complete V8 build.
Thanks! My buddy Austin and I swapped a v6 car to an LT1/t56 this past winter. It was pretty straight forward but we swapped over all the wiring harnesses as well as the rest of the drivetrain.


Originally Posted by brucer
what about the little nova in the background?
Now thats an interesting car! Its actually my dads. He built it as a project back in the mid 80s(before I was thought of). It is actually a 66 Chevy II wagon that has been chopped and shortened into a two door.. He even chopped the doors in half and used the rear half of the rear doors and mated them to the front doors for the dog leg of the wheel well. It was finished with a mild 454/th400/3.73 rear end..

Now it is undergoing all new wiring, a cage, and a new drivetrain. It is getting a pretty stout 355 with a th400 and a dana rear end with 5.13 gears..

Pics!




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Old Sep 12, 2010 | 07:05 AM
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bet its hard to drive down the track with that wheelbase. that things gotta get squirelly.
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Old Sep 12, 2010 | 11:08 AM
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I was just going to say, that thing looks like it will flip over backwards on the launch, then end-over on the brakes.
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Old Sep 12, 2010 | 11:25 AM
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Nice gasser.
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Old Sep 12, 2010 | 12:35 PM
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nice looking radiator and shroud in the wagon..
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Old Sep 12, 2010 | 03:47 PM
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You guys should see the bottom of the bumper ...


My dad actually made that shroud, he is a sheet metal fabricator and he does these sort of things for a living..
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Old Sep 12, 2010 | 10:16 PM
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Nice cars....both of them. Were you running 2" fenderwell Hookers on the BBC when it was in the Chevy II ?? Are they collecting dust somewhere now?
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Old Sep 12, 2010 | 11:31 PM
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Hope to get a ride in it when it is done Matt!

Let me know!
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Old Sep 13, 2010 | 01:34 AM
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Originally Posted by marc97taws6
Hope to get a ride in it when it is done Matt!

Let me know!
Oh for sure! Hopefully I don't look like a fool and end up being slower than you..

Originally Posted by 1961ba427
Nice cars....both of them. Were you running 2" fenderwell Hookers on the BBC when it was in the Chevy II ?? Are they collecting dust somewhere now?
I believe it was but they are long gone by now.
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Old Sep 21, 2010 | 12:35 AM
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Got a little more work done to it tonight... pretty colors

I love Chevy engine Orange blocks and lt4 red intake manifolds

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Old Sep 21, 2010 | 03:23 AM
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looks good
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Old Sep 21, 2010 | 06:34 AM
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If you have not bolted that fresh painted intake down, please check under the allen head plugs on bottem of intake under the steel pan. They are 14MM allen head plugs that hold a ton of sandblasting media down there. If you did pull them good deal as im just looking out for you and your new build as I have found tons of crap down in them after porting a crank load of them.
Sweet Nova also!!!
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Old Sep 21, 2010 | 06:09 PM
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Originally Posted by STOCKTA
If you have not bolted that fresh painted intake down, please check under the allen head plugs on bottem of intake under the steel pan. They are 14MM allen head plugs that hold a ton of sandblasting media down there. If you did pull them good deal as im just looking out for you and your new build as I have found tons of crap down in them after porting a crank load of them.
Sweet Nova also!!!
Its not bolted on yet, I noticed I needed to do some more washing before I bolted it on. I will check that! Thanks for the info!
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Old Sep 21, 2010 | 07:04 PM
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looking good matt.
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Old Sep 21, 2010 | 09:10 PM
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Keep it up!
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