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Old 05-21-2023, 01:21 PM   #5946
86Hakone
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Join Date: Feb 2021
Drives: 2020 GT86 Hakone
Location: Texas
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Quote:
Originally Posted by tomm.brz View Post
which intake temp was that taken at? i guess pretty warm
Also you are using 93oct then, still better than 91oct
Oh and the values i posted before i always forget they were taken with Canada weather and with a larger intercooler, so about 0.1 bar more than a normal C38 with high boost pulley
Still, 0.9 bar of boost is kinda high, you definitely wants to avoid 91oct

Anyway i ve tuned also your same configuration to some guy... it s not certainly tuner's responsability if an engine destroy at 0.8bar boost with stock internals, we tune with good afr and conservative timings so luck is also a factor here
I only run e85 unless I go somewhere I cant get it then I run 93 and I have a flex fuel kit. I try not to drive crazy when not on good fuel. The intake temp was at 42.6c in this log and 52c in my other log. I think I was doing about 111MPH in this log and and 113MPH in the other slightly higher one. The logs are from a year ago and my memory is kinda fuzzy. My conclusions are drawn from lots of reading, driving the car for a year, and information posted by CSG.MIKE about what he did to stop blowing up these cars.

I also try to stay on top of maintenance by checking and changing oil and fluids frequently, and doing inspections on all the clamps to avoid boost leaks or belt sheer.
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