Smaller supercharge pulley
20

Asked by S Jun 01, 2020 at 10:34 PM about the 2007 Pontiac Grand Prix GT

Question type: General

on a 2007 Pontiac Grand Prix 3.8
supercharged what would happen if I put a
3.2 pulley on the supercharger with only
having header cold air intake and exhaust
done

1 Answer
18,265

munron answered 3 years ago

I'm not sure about the size you're mentioning. Sites like ZZ Performance have info on what sizes work with your mods. Too small a pulley will cause the supercharger to over heat the intake air charge which will cause harmful detonation among other things. There are other mods you can do to control the temps and to make sure you have enough fuel to go with all that compressed air you are generating. All that info is on the ZZP site and others like it. Do your homework first.

Mark helpful

Your Answer:

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