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

LT1 intake questions

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Old Dec 29, 2009 | 10:04 AM
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Default LT1 intake questions

Are there any differences in the LT1 intakes between 93-97? Specifically any differences that would make fitment impossible when mixing different year heads, blocks?

The reason I ask is I am looking for an intake to send to AI for porting. I bought some 643 castings last week to send to them. I am presently running a stock rebuilt LT1 engine of unknown year in a 96 Formula.

The plan is to send the intake and heads to AI and then drop them on the Formula in the spring. I want to make sure there are no surprises at that point...

Brett
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Old Dec 29, 2009 | 10:07 AM
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Im pretty sure there all the same
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Old Dec 29, 2009 | 10:17 AM
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Can't use a 92 or 93 intake because it doesn't have the fuel rail crossover cutout. The 94-97 intakes are all the same.
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Old Dec 29, 2009 | 10:31 AM
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TRUE I forgot about that part
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Old Dec 29, 2009 | 11:12 AM
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does anyone have a picture of the crossover?
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Old Dec 29, 2009 | 11:27 AM
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you can see it in this pic




Last edited by djjab57; Dec 29, 2009 at 11:33 AM.
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Old Dec 29, 2009 | 12:28 PM
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Originally Posted by djjab57
you can see it in this pic



That looks like a whole lotta fun there!
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Old Dec 29, 2009 | 01:24 PM
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Yep, i bought everything back in Sept. but had to put it on hold. But im now starting to assemble and should have it dropped in by the end of the month
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Old Dec 29, 2009 | 08:57 PM
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is it the groove in front of the machined portion on top of the intake?
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