LT1 intake casting differences?????
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Senior Member
Joined: Mar 2007
Posts: 343
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From: Jackson, Michigan
Car: 83 Trans Am
Engine: LT1 350
Transmission: 5 Speed manual
Axle/Gears: 3.73 10bolt till it breaks
LT1 intake casting differences?????
Can anyone tell me what the difference's between the 94-95 and 96-97 intake manifolds? I was surfing ebay and ran across a listing where the seller says he has both styles and the buyer can choose.
I am wondering since the LT1 I have is a 96, and I'm running it with a 95 PCM and concerned that the intakes may be different and have different sensors and such.
This is what he had in the listing:
1994-1995 10108630
OR
1996-1997 12552138
I am wondering since the LT1 I have is a 96, and I'm running it with a 95 PCM and concerned that the intakes may be different and have different sensors and such.
This is what he had in the listing:
1994-1995 10108630
OR
1996-1997 12552138
Supreme Member
Joined: May 2004
Posts: 2,924
Likes: 1
From: Kingston, Tn
Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
Re: LT1 intake casting differences?????
No differences in the castings unless it's a '93 model which doesn't have the crossover in the back of the intake.
Only difference is the LT4 intake which has larger ports than the LT1 but also requires LT4 heads.
Only difference is the LT4 intake which has larger ports than the LT1 but also requires LT4 heads.
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