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

lt4 intake

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Old 02-08-2008, 06:49 PM
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Default lt4 intake

how do i tell if it is a lt4 intake or not.what is the part number
Old 02-08-2008, 07:01 PM
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1255031 is the actual production LT4 Manifold that was on the LT4 Vette
12550630 is the GMPP version.
Old 02-08-2008, 07:11 PM
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Do you understand what is different about them???
Old 02-08-2008, 07:27 PM
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no i dont please tell me the part number on this one is 12550631
Old 02-08-2008, 07:31 PM
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Originally Posted by 96capricemgr
Do you understand what is different about them???
Did you not notice that he is the guy that is getting AFR heads?
Old 02-08-2008, 07:39 PM
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Yes I know he is getting AFRs, I still think it useful info.

This picture is courtesy of GIZMO here.
http://i85.photobucket.com/albums/k5...1/DCP_1456.jpg

Ports and plenum are the same as the later LT1 intakes, just has more material above the port to seal to the taller LT4 ports and would allow port matching.
If LT4 intakes are expensive material can be added to an LT1 intake to make it work just fine, have to weigh the costs or each.
Old 02-08-2008, 07:48 PM
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ya im getting the afr heads.i was gonna buy the eldbrock intake but i called loyd elliot and he told me to find a lt4 intake said it would be better.my girl friend bought me the afr heads.my heads and intake are going on her car i can get the intake at a resonable price



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