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1987 iroc procharger tuning

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Old Apr 13, 2023 | 08:01 AM
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Supergt1999's Avatar
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1987 iroc procharger tuning

i have 1987 iroc. stock bottom,9.0 compression with aftermarket heads. 42# injectors and lingenfelter superram intake. also have procharger 6-7 psi. what are my tuning options? i usually work with hp tuners and ls cars. not sure how to go about tuning thirdgen.
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Old Apr 13, 2023 | 09:16 AM
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Orr89RocZ's Avatar
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From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: 1987 iroc procharger tuning

Fmu

convert it to ebl maybe

convert to 91-92 speed density and run boosted $8D code

go aftermarket ecm
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Old Apr 17, 2023 | 09:43 PM
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From: Armstrong B.C.
Car: 1991 camaro Z28
Engine: Forged 370" LS turbo s488
Transmission: Built 4L80e FTI converter
Axle/Gears: MWC 9" 35 spline 3.25 gears
Re: 1987 iroc procharger tuning

Originally Posted by Supergt1999
i have 1987 iroc. stock bottom,9.0 compression with aftermarket heads. 42# injectors and lingenfelter superram intake. also have procharger 6-7 psi. what are my tuning options? i usually work with hp tuners and ls cars. not sure how to go about tuning thirdgen.
Save yourself some hassle and go with an aftermarket ECU
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Old Apr 18, 2023 | 11:29 AM
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From: SALEM, NH
Car: '88 Formula
Engine: LC9
Transmission: 4L60E
Axle/Gears: 3.89 9"
Re: 1987 iroc procharger tuning

I put a microsquirt in a '165 ECM case so I could use the factory harness on my '88 back in 2012 or so. Ran it for a good while.

I'm actually taking it out because I'm putting an LS in the car and going to run Terminator X.

http://members.cisdi.com/~anesthes/p...rt/ms_hei.html

I do like the system, but it doesn't have enough I/O for what I want to do with the LS (sequential, boost control, etc). I may cut up the harness and re-use it for ignition / fuel pump / cooling fan / etc control on my '79 Z28.

-- Joe
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