LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Are all LT1 intakes the same?

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Old Jun 11, 2003 | 08:26 PM
  #1  
poloz28's Avatar
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Are all LT1 intakes the same?

i just bought an intake and didnt even think to ask what year it was for. are all years of intakes the same, and if not how do i identify if mine will fit my 1994 z28?

PB
Old Jun 11, 2003 | 08:28 PM
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I think any year will fit

93s have the fuel testing port in the driverside instead of having it in the back of the instake

leo
Old Jun 11, 2003 | 08:28 PM
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Not all intakes are the same, the 92-93 have the fuel rail cross over tube in the back of the intake and the 94-97 they are in the front. I think that is the major difference.
Old Jun 11, 2003 | 08:36 PM
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this intake has the crossover in the front, or the little dip for the fuel rail, if thats what you mean. so this will fit my 94 correct?
Old Jun 11, 2003 | 08:54 PM
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Yes that is a 94+ intake
Old Jun 11, 2003 | 08:54 PM
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93-97 same
Old Jun 11, 2003 | 09:07 PM
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sweet, thanks guys, now someone answer my question about coils
Old Jun 11, 2003 | 10:07 PM
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Originally posted by Antz97ZNJ
93-97 same
NO THEY ARE NOT EXACTLY THE SAME!

I promise you that the 92-93 intakes are different from the 94+. If you are interested I will send you pictures of my car's intakes. I Promise they are different due to the cross over being in the front of the 94+ and the rear for the 92-93.
Old Jun 11, 2003 | 10:32 PM
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The 92-93 intakes do not have provisions for the fuel cross over at the front of the fuel rails like the later manifolds.

There are also two different 94-97 intake designs. The ports are much different on the later intakes.

Daren
Old Jun 11, 2003 | 10:37 PM
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93 is different

94-95 has a seperate part number from the 96-97 or 97 at least.. differences between the 2 are unknown to me but i have looked into this and people told me they are the same. i sure as fck hope they are the same!! i put a 95 intake on my 97 heads.
Old Jun 11, 2003 | 10:39 PM
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well how do i tell what intake i have??!!! i need to know if what i have fits my 94!!!
Old Jun 11, 2003 | 10:45 PM
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well lets see 93 wont have a valley on the top of it right before the ridges for that crossover fuel rail.. itll be flat instead. the casting number on a 94-95 intake located on the right side of it towards the back is 10108630... if its different then you probably have a 96-97.
Old Jun 11, 2003 | 10:45 PM
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They will all bolt on.

You cannot run your 94 fuel rails on an 92-93 intake.

The early intakes have symetrical ports, the later ones do not.

Daren
Old Jun 11, 2003 | 11:47 PM
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i have casting number 12552138 on the right side. am i going to have any problems putting this on my 94 with stock csating heads?
Old Jun 12, 2003 | 10:10 AM
  #15  
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as far as I'm aware, 92-93 are different from 94up but they should still fit in. Besides you mention you had a 94up from the description that you gave us.. you should be fine



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