Quote:
Originally Posted by DannoXYZ
Assuming similar +10% speedo optimism, that’s 110mph or 14mph faster than 250! Amazing!!! Can actually reach that on front-straight at Thunderhill. Although I think those guys have exhaust and ECU tune for 60bhp...
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From what I’ve seen, you can’t get 60 hp from exhaust, tune and velocity stacks. With high compression pistons norton tunes them to 61 or 62 with race fuel. But I’m only speaking from things I have read about. No first hand knowledge