GTM Stage 1.5 s.c. tune issue

Originally Posted by Jinxx I'm running stage 2 kit .... both stage1 and 2 supercharger units max out at 90k... 88mm pulley put you at 90k around 7500 rpms... the

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GTM Stage 1.5 s.c. tune issue

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03-25-2017, 07:32 AM

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kentmo280z

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Quote:

Originally Posted by Jinxx

I'm running stage 2 kit .... both stage1 and 2 supercharger units max out at 90k... 88mm pulley put you at 90k around 7500 rpms... the 85mm is over spinning it a little at 7500 rpms (it's like 95k) ... but I normally don't redline the car ... I wanted the boost earlier in the rpm

I think the pulley is the difference in my stage 1 kit compared to stage 1.5. I used an 84 mm pulley in stage 1. It pulled hard in the low rpm range. My 90mm pulls hard after 4k rpms...

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