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Can someone help me out... Please? My brother bought this 94 Firebird... for me for $700.00 ,, The body and undercarriage is remarkable... The problem is its a V-6 . But it Starts sometimes then it don't... I'm a GTO Man .... I have a 69 400 block with a 389 Crankshaft...its only ever been bored 20 over... question is...Can My GTO Motor go in to My 94 Firebird... I'd appreciate what ever U got... Txs & God Bless 🙏
 

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While the Pontiac motor can be placed into your 94, it involves much fabrication work. Not a job for a beginner. Also the Pontiac engine won't accept the chevy based 4L60E auto trans.

Someone out in internet land might be able to supply you with an adapter to use chevy trans with pontiac engine. If you have the T-5 manual trans, you might be able to get a pontiac bolt pattern bell housing for it. But, the torque generated by the 400ci engine would destroy the T-5 in short order.

I've only touched on the surface, all the obstacles you would face doing the conversion.

And, welcome to the forum.
 
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