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

plenum question

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Old Jan 4, 2004 | 07:55 PM
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91z07's Avatar
91z07
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From: Euless TX
Default plenum question

Found a nice ported/polished plenum for sale, but it's off a MAF car. Will it work on my '91, and if so, what would it take to work? :thumbs:
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Old Jan 4, 2004 | 08:03 PM
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1MoorTym
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From: West Islip New York
Default Re: plenum question (91z07)

The only difference I know of is the threaded fitting used for the MAP sensor. The MAF plenum will not have one. Check the passenger side for a third threaded fitting above the taps for the FPR and ?? (jeez I forget what the other vac fitting is for), but there should be a total of three for use with the MAP system.

You could probably have one put in at any machine shop.
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Old Jan 4, 2004 | 08:08 PM
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ZD1's Avatar
ZD1
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From: Albuquerque NM
Default Re: plenum question (91z07)

The only difference I would know about is if there is a 9th cold start injector.
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