Hello all new Z owner from Canada
Quote:
Originally Posted by Aspectinc
I’m new to forums in general and would love if someone can help me figure a few questions out. If not please send me in the right direction. I bought a 2011 370z 6mt has a GMT supercharger kits along with all supporting mods.
The SC kit is their stage 2 with rotex c38-91. My question is about boost pressure. My gauge shows good vac at idle and wide open near redline shows around 4psi. Is that normal or is that low ?
I’m the case that is low suggestions why that would be so I can work on it. I have don’t countless hours of searching and reading but the only thing I can figure is changing pully size.
Hope someone can help and thanks
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That’s low. Either the belt is slipping so the supercharger isn’t generating boost or the boost is escaping via a boost leak. No supercharger kit for this car would come with a pulley that only makes 4psi.
Or your gauge is broken. Is this an aftermarket in-car boost gauge or are you reading from the ECU?
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2009 Sport Touring | Platinum Graphite | GTM Stage 1 Supercharger | BC BR Coilovers | Hotchkis Swaybar | Z1 FUCAs | AME TM-02 Wheels | Z1 2-piece Front Rotors | Z1 Clutch & Flywheel | Invidia Gemini Catback | GTM Resonated Test Pipes
Last edited by Averying; 09-29-2022 at 07:31 AM.
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