Originally Posted by
Will @ M Developments
86.5mm? Wow.
Standard bore is nearly 2mm smaller!
What sort of power are you wanting to run as your cylinder walls must be getting thin at that
I tend to chuck blocks away at 86mm

2 b honest im not sure wot power over 300 any way. around 350 hopefully.

wont run that high al the time prob run around at 1bar 280bhp ish. If that sounds rite??