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The simple solution is make more power.
I really have a problem with accepting that a T1 fan is the best solution.
If it were that good then Porsche would be using it too.
A 911 fan has the cooling capacity to cool an engine with over 400bhp at the crank.Russ has been using his car for over 10 years with a 911 cooling system and obviously he's not the only one.
Also worthy of note Russ uses a 5 blade fan for racing and the 11 blade for road use as the 5 wont cool the motor properly.Also the T4 heads seem to poorly manage the heat once you get in the 200bhp range the underside of the head seems to hold the heat in and distort the sealing surface.
The 911 heads definately manage heat much better.
My 2 cent fwiw
Paul
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