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Old 11-Nov-2005, 22:16
boggy 8 boggy 8 is offline
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Mille
 
Posts: 218
Join Date: May 2004
Quote:
Originally posted by domski
Assuming that you've had the hi-comp pistons changed back to stock ones (assuming it had hi-comp pistons) and now it makes 61bhp - it must have made more than 61bhp with the hi-comp pistons, right?

The highest bhp figure I understand was 68bhp.

Therefore, the difference between Geoff's 'imaginary' 61bhp and the top figure of 68bhp is actually 7bhp, and probably nearer to 2-3bhp.

Rattler's 620 literally had end cans and a filter (maybe a PC3??) and that made 61bhp - So I don't believe that Geoff's bike which was built by Baines (arguably the best 2-valve shop in the UK) could only muster 61bhp as well. What do you honestly think?

Maybe I'm just too cynical???

Anyway, it doesn't matter what power it makes, coz you're not out there to win are you - it's all for fun!

:P

I had my bike dyno'd on the same dyno as CC before fitting the high comp pistons and it produced 61bhp. After fitting the high comp pistons it produced 60.2bhp, I don't know the reason for this but it can be confirmed by SJR Dyno at Ruddington, Notts. I will telephone them myself tomorrow for peace of mind that I haven't "imagined" the whole thing!!

I did not want the expense of putting the pistons back in for the sake of 0.8bhp. At the end of the day I still managed to beat a bike with 10% more bhp at Cadwell without spending a penny.
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