02-18-2017, 07:51 AM
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#4 (permalink)
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Track Member
Join Date: Dec 2015
Location: South Carolina
Posts: 699
Drives: 2017 nismo 370z
Rep Power: 3377
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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.
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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
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