07-30-2012, 12:20 PM
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#11 (permalink)
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A True Z Fanatic
Join Date: Oct 2010
Location: NA
Posts: 1,732
Drives: NA
Rep Power: 22
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Quote:
Originally Posted by bvl
Car is not in limp mode, so performance should be exactly the same. You got some empirical data here? Besides the feel good butt dyno 
For a street car if you are < 230 in the hot you are fine. Folks who track there cars have different thermal requirements and its a good investment.
100 deg, AC on, and my 2010 never goes above 225. I see temps creep up 5deg during stop and go while the HW seems to be steady at 220 in the very warm.
< 80 deg and normal temps are 210-215F.
I run 5/30 Pennzoil Ultra, FWIW.
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i also run penzoil ultra 5w/30. however, ive noticed that once you hit the 220 degree range, the ECU starts to pull timing. you can definitely tell there is some lost power. its not limp mode, no thats at 260 degrees, but there is definitely something different going on at 220 degrees. since installing the 25 row this weekend, temps stay in the 180-190 range and its MUCH better
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