C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

1990 Intake - plenum on an 88?

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Old Jun 8, 2002 | 08:47 PM
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88'Cubka's Avatar
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St. Jude Donor '08
Default 1990 Intake - plenum on an 88?

:confused: Will it bolt right up? What about sensors and such? I have the chance to get a 90 setup cheap, and would like to make sure they would work before i buy them. :confused:

The reason im asking this is because i need my car, so if i buy ones off the 90, i can port polish while still having my ride.

Thanks alot :)


[Modified by 88'Cubka, 12:49 AM 6/9/2002]
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Old Jun 8, 2002 | 10:08 PM
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St. Jude Donor '08
Default Re: 1990 Intake - plenum on an 88? (88'Cubka)

someone please help....don't have much time left
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Old Jun 8, 2002 | 11:24 PM
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Default Re: 1990 Intake - plenum on an 88? (88'Cubka)

It should work. However, you will need to upgrade to a 89+ ECM because your car has the cold-start (9th) injector. Let us know how it turns out.
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Old Jun 8, 2002 | 11:31 PM
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Default Re: 1990 Intake - plenum on an 88? (88'Cubka)

90 Upper will have a mounting location for a MAP sensor, and since you have a MAF sensor, you will have a blank spot on your manifold.

90 lower/runners do not have provisions for the cold start injector.

If you don't want it because of that stuff but have a good lead, email me @ msandine@purdue.edu :cheers: -Matt-
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Old Jun 9, 2002 | 05:15 AM
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Default Re: 1990 Intake - plenum on an 88? (HighHopes85)

Thanks for the info. Unfortunately i called the guy today and he gave them to his nephew :( Oh well though.. i suppose its for the best. I dont wanna have to go into changing computers and JB welding holes shut lol :)


Again thanks for the replys
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