Preparation for the STILLEN supercharger

Zsteve

just a guess but I thought I had heard one of these SCs were trying 8 psi. So 6 psi for carb legal, could 8 psi be carb legal too and would it just as safe on the car as 6?

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2010 LS3 C6 Silver coupe corvette

LiquidZ

GTM is running 8 PSI. Nobody outside of Stillen knows what PSI they are running.

If you are pushing for CARB legality, the kit will have a low boost level to keep emissions down, so I doubt adding boost will keep it CARB legal.

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MMC Racing

Really what matters is that little E.O. number that comes with CARB certification on a plate visible to the officer. On the Vortech kit for the 350z, it was on the supercharger. Does 99% of the inspectors/officers know what the correct pulley size is - nope.. Even if you get Mr 1%, you take the fix it ticket, put the stock pulley back on, and go pass..

So yes, for legal reasons we California owners care, but for practical use the CARB certified level of PSI doesn't really matter. People are much more likely to get busted for high flow cats or race pipes.

On top of all that, we are talking about mostly new purchased cars up to this point.. 5 years of no inspections anyway.