Engine Swap Everything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.

3.1 To A 350 Or 400 SBC

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Old 04-22-2007, 07:25 PM
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3.1 To A 350 Or 400 SBC

Hello,Honestly I'm very confused on what to do for a swap in 31. firebird.SOme people are telling me to get a donor car and its much easier?Others tell me to go and get a 350 out of a chevy and call it a day and the same people say go and get a 350 out of the yard and I will have to have a gear box huh?gear box from what the truck i pulled the 350 out of or a a 3rd gen I very confused and help on the proper things to do I read all the threads and i'm still confusedcan any help me?
Old 04-22-2007, 07:31 PM
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Car: 88 V6 'bird/89TBI bird/85 T/A
Engine: 2.8/TBI/TPI
Transmission: V8 T-5/700R4 x2
Axle/Gears: 3.42 open/2.73 open/ 3.27 9 bolt
Re: 3.1 To A 350 Or 400 SBC

Yes to everything....

A complete parts car is always the best because you'll have every nut, bolt, and bracket that you need to get the job done. If you just have a 350 from the wrecking yard then you still need to find some third gens in the wrecking yard so that you can get your brackets, nuts, and bolts. You must use a V8 transmission because your V6 uses a different transmission bolt pattern and won't bolt up. If you have an automatic now, then any 700R4 tranny will work. You must re-use your tailshaft housing though, so that you can bolt your torque arm back on. If you have a 5 speed then you need the entire transmission from a V8 thirdgen for the swap to be a direct bolt in.

Any more clear?
Old 04-22-2007, 07:38 PM
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Re: 3.1 To A 350 Or 400 SBC

thanks i will be in search for a wreck 3rd gen easier right .i can use a camaro 3rd gen right?also if i cant find either car and I have to break down and buy a 350 or bigger what am i going to need for a f-body thanks?
Old 04-22-2007, 08:43 PM
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Car: 88 V6 'bird/89TBI bird/85 T/A
Engine: 2.8/TBI/TPI
Transmission: V8 T-5/700R4 x2
Axle/Gears: 3.42 open/2.73 open/ 3.27 9 bolt
Re: 3.1 To A 350 Or 400 SBC

A camaro will be fine. Then you can strip the rest of it and sell it here! That'll help your repair budget!

You should use the third gen brackets and accessories if possible to avoid clearance problems with the steering, exhaust and hood. Don't forget to use the third gen torque arm setup for your transmission!
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