Here's a thread on one of the available oil coolers.
http://www.m3post.com/forums/showthread.php?t=1128330
I find if I shift at a little before 7,500 RPM instead of 8,200 RPM, I rarely get above teh 3rd hash mark, even on 100+ degree days at the track. But if you shift above 8,000 RPM consistently, it goes up pretty quickly. Obviously, we paid for 8,300 RPM, so there's always the desire to use it all.
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