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Old 04-06-2017, 03:21 PM   #1
GUMP
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Default Re: Lt1 -93 or 94-97 intake manifold

Actually there are three different LT1 intakes.

The 1992-93 intake (10208145) has no fuel crossover and rectangular ports. If you run this I would modify some of the later fuel rails.

The 1994-1996 (10106830) intake has a fuel crossover and rectangular ports.

The 1997 (12552138) has a fuel crossover and ports that almost match the head.

Some comparison photos. The red intake is an LT4.



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Old 04-06-2017, 04:46 PM   #2
Rick.H
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Default Re: Lt1 -93 or 94-97 intake manifold

The 12552138 intake is the way to go if you locking on port shape and the injector angeld against intake valve.

I have the 630 intake on my camaro so i might change.

You can find the 138 intake on the -96 f-bodys as well.
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Old 04-06-2017, 07:28 PM   #3
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Default Re: Lt1 -93 or 94-97 intake manifold

Quote:
Originally Posted by Rick.H View Post
The 12552138 intake is the way to go if you locking on port shape and the injector angeld against intake valve.

I have the 630 intake on my camaro so i might change.
I feel it is worth changing........
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Old 04-07-2017, 10:51 AM   #4
Rick.H
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Default Re: Lt1 -93 or 94-97 intake manifold

Ok i get it.
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