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

Boost on stock IC?

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Old Jul 11, 2003 | 12:16 PM
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Boost on stock IC?

Hiya!

My motor is still being built in the shop, and I was wondering - what kind of boost can I run on my stock IC?

Intercooler upgrade is going to be my very next upgrade, but until then, what's a safe amount of boost?

8? 9 pounds?

Mods in sig. Any help is appreciated!
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Old Jul 11, 2003 | 12:56 PM
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12 or so
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Old Jul 11, 2003 | 01:38 PM
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I'm not a turbo guy, but i've been in the boards for a while, and i've seen 10-11-12lbs with a stock TMIC... After 11-12 you'll have problems

-Markus

"I gotta get me one of them new turbo rotarys"
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Old Jul 11, 2003 | 02:48 PM
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I hit 15 with my Haltech haha. Some pretty MAD intake temps though! The dyno is on my site. Yes, it was bad power for 15psi but that is because I didn't have it tuned.
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Old Jul 11, 2003 | 02:53 PM
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I am running about 11 PSI, but I seriously doubt the stock intercooler is helping. Its not exactly the best design to begin with.

Jarrett
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Old Jul 11, 2003 | 03:15 PM
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What were your intake temps Cosmo Dunk. On your site you said "Shouldn't be over 110 F". What were yours?

Update: Nevermind just saw your datalog. 116 f doesn't seem that hot on an 80 f day, but I really don't know what I'm talking about.

Last edited by Matlock; Jul 11, 2003 at 03:18 PM.
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Old Jul 11, 2003 | 03:33 PM
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Do you have anything to control your secondary injectors? If not, you need to get an S-AFC to control them because you will not know how rich or lean you are running. I am always much safer than everyone else, but I would say keep stock boost levels until you have a way to control the bigger injectors.
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Old Jul 11, 2003 | 05:12 PM
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Re: Boost on stock IC?

Originally posted by Wompa164
Hiya!

My motor is still being built in the shop, and I was wondering - what kind of boost can I run on my stock IC?

Intercooler upgrade is going to be my very next upgrade, but until then, what's a safe amount of boost?

8? 9 pounds?

Mods in sig. Any help is appreciated!
i ran 14spi on my car but only on short bursts. hey, have ya used ya profec b 2 yet is it good??
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