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Old May 23, 2002 | 05:37 PM
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maddmonkees90rs's Avatar
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plenum

well can i use a 90 plenum on an 87 runner an base? do i have to do anything to fit it on? reason for this is cus im doing a speed denstiy system thanks

Last edited by maddmonkees90rs; May 23, 2002 at 07:22 PM.
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Old May 23, 2002 | 08:09 PM
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From: Somewhere over the rainbow
Just use your plenum. I think all you need to do is add a MAP
sensor. Just mount it somewhere, it dont really matter, and
splice it into the vacuum line going to the fuel regulator.

I am getting ready to do the same thing and that's what I am
planning to do.
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Old May 23, 2002 | 08:34 PM
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maddmonkees90rs's Avatar
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ok but what about the air temp sensor?
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Old May 23, 2002 | 11:55 PM
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From: Somewhere over the rainbow
Air temp sensor on the MAF system really does nothing.
On the MAP system it is critical. You can leave it where it is now
or relocate it to the air cleaner. Where it is now gives the ECM
warmer than actual readings. Relocating it to a point away from
the plenum will give the ECM correct readings.
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