Gtm Supercharger pulley discussion

jmroy6 · 02-17-2017, 10:01 PM

Im running the 85mm pulley on my stage 1 kit. I rev to 7.5k almost everytime i drive it with no issues to date, granted i upgraded to a 25row oil cooler to help cool the sc from the added heat. If you want more peak torque i would throw the stock cats on if they arent already, or run a smaller pulley for more boost.

Jinxx · 02-18-2017, 07:51 AM

Quote:

Originally Posted by jmroy6

Im running the 85mm pulley on my stage 1 kit. I rev to 7.5k almost everytime i drive it with no issues to date, granted i upgraded to a 25row oil cooler to help cool the sc from the added heat. If you want more peak torque i would throw the stock cats on if they arent already, or run a smaller pulley for more boost.

With 85mm pulley you are over spinning the supercharger specs at about 7k .... I wouldn't recommend going smaller and running to 7.5k that is a sure way to pop a motor or blow the supercharger... and the the oil cooler upgrade isn't gonna help overspinning or over boosting .... stock cats will increase torque and hp due to not losing boost pressure through the exhaust valves

02-17-2017, 10:01 PM	#1 (permalink)
jmroy6 Base Member Join Date: Sep 2015 Location: CT Posts: 179 Drives: Spirited Rep Power: 236	Im running the 85mm pulley on my stage 1 kit. I rev to 7.5k almost everytime i drive it with no issues to date, granted i upgraded to a 25row oil cooler to help cool the sc from the added heat. If you want more peak torque i would throw the stock cats on if they arent already, or run a smaller pulley for more boost. __________________ 2012 370z GTM SC

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