View Single Post
Old 04-28-2014, 09:52 PM   #33
sw20kosh
Senior Member
 
Join Date: Jul 2012
Drives: 2013 Black FR-S
Location: SF
Posts: 3,030
Thanks: 881
Thanked 2,014 Times in 990 Posts
Mentioned: 153 Post(s)
Tagged: 1 Thread(s)
Quote:
Originally Posted by smbstyle View Post
My only issue with running a higher viscosity oil on track was I saw about a 10*f increase in average oil temps running a 0w30 (GC) versus a 0w20 (Toyota SN), and I believe a 5w40 or 10w40 would increase oil temps even more.

I hit oil temps of 300*f on track my first day at Sebring in June, bone stock, and average temps during the day were high 280's to mid 290's. I sent in an oil sample to Blackstone and it came back great, with no evidence of the oil breaking down.

I just switched to 0w20 and saw oil temps in the high 270's, mid 280's (August), and will be running one more day on this oil before I send it in.
Isn't the ecu pulling a lot of timing out at these coolant levels?
sw20kosh is offline   Reply With Quote