I tracked my 40th twice last year (Watkins Glen, NY and Nelsons Ledges, OH) and do not have an oil cooler. I never came close to limp mode, (even after 20 straight minutes of track time). It was in September and was not real hot, but still never got anywhere near 260. Of course, all cars and tracks are different, so maybe I just lucked out.
If I do this more often, especially when it gets to be in the 80's, I would probably get one. Rather have it than need it than the other way around.
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mults
40th Anniversary 'Z', 312.06HP/260.58TQ (Dynosty EcuTek Tune)
Build Date/Number: 1/27/2010 #706
Berk HFC + CBE, R2C CAI, Clear Bra, Cleveland Z Club
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