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JRSC 9psi setup & exhaust advice question

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Old 02-25-2010, 10:44 AM
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JRSC 9psi setup & exhaust advice question

Hey guys I just purchased a h22a prelude and it seems somehow it may be boosted to 8psi. I know stock JRSC setup is 6psi and I always hear of people boosting stock h22's to 9psi with a Motorvations pulley or accord crank pulley. My first question is is it still possible to obtain this Motorvations pulley or is he out of business? Does he have a website cuz I can't find it? I tried calling, but no answer or voicemail. If I go with Accord pulley option is it the 98-02 Accord crankshaft pulley I purchase? Can I use an aftermarket lightweight/underdrive Accord pulley instead? Second does anyone know how a H22 can be tuned to run at 8psi? All my research has not come up with an 8psi JRSC setup. They all jump from 6 to 9 to 12. I can't even find 10 or 11psi setups if they exist. So I'd like to push as much psi while maintaining a stock motor, but I don't know what pulley setup to get or where.
Secondly I keep seeing people going back and forth on the 2.5 inch exhaust vs. 3 inch exhaust. I believe Preludes are the exception to the rule and actually do run better with a 3 inch exhaust, especially if I go 9psi but I need some expert advice here. I tried on and got nowhere, thanks.
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