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Rusty · 10-15-2017, 02:42 AM

Too thick of an oil will rob you of horse power. Most of us here run oil weights of 5w-40 and in between. The high HP guys run something like 5w-30. 5w-50 is for engines that have loose clearances.

10-15-2017, 02:42 AM	#47 (permalink)
Rusty A True Z Fanatic Join Date: Dec 2011 Location: Fayettenam,Pennsyltucky Age: 70 Posts: 35,568 Drives: 2011 Nismo GM 6M Rep Power: 2684440	Too thick of an oil will rob you of horse power. Most of us here run oil weights of 5w-40 and in between. The high HP guys run something like 5w-30. 5w-50 is for engines that have loose clearances. __________________ 浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html