2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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necessary upgrades?

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Old 05-27-04, 12:58 PM
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necessary upgrades?

OK I've opened my exhaust to a 3" exhaust system and have K&N filter w/3" flange adapted to air intake. I've ported my wastegate and will be looking into getting a Walbro 255 lph fuel pump, ( no cats., no air pump, and no ACV!) My question I guess is what else and what next? My main concern is to not hurt the engine, by not doing something I should have.
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Old 05-27-04, 01:03 PM
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Well if you ported the wastegate and are getting no boost creep, then you have nothing to worry about right now. Get the Walbro, a boost controller, and S-AFC. Then set the boost to about 10 PSI and bring it to a dyno with a wideband to have it tuned via the S-AFC.
Old 05-27-04, 01:07 PM
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I was thinking about this the other day, ill throw out some things I was thinking about and people can say yah or nah to them: wideband 02; better knock sensor?; air/fuel meter; aftermarket boost gauge... cant think of the other stuff now.
FCD will be something you want.
Old 05-27-04, 03:50 PM
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OK S-AFC if I'm not mistaken is an anti- fuel cutoff switch that prevents the fuel from being shut off to the rear rotor, I am going to get one of them just forgot to mention it. Any suggestions on what boost controllers to get? Also don't know what a FCD is.
Old 05-27-04, 03:55 PM
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thats an FCD it makes your car not shut fuel off to rear rotor. it also tells the computer that you are running lower psi then you actally are. i would recommened the rtek1.5 chip instead of an fcd if i were you. www.pocketlogger.com also an safc is what you can tune bigger injectors with. you can tune for perfect a/f with a wideband o2 sensor.
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