Originally Posted by chip-3door
Have you tried a smaller pulley on yours if you want more boost, you are probably under driving it?
I'm currently running a 2:1 ratio so at 6000RPM its running at 12000RPM which eaton say is there max RPM.
Originally Posted by chip-3door
PS
As an example, have a look at this fellow (i think you might know him?)
http://www.xr4register.com/profiledavidward.php
He has a M90 on a 3.7 and its still not too small on that from what he says on that site, so one model down on a 2.9 sounds ideal
Its about right size for a 2.9 or 3.7, Rob uses in his 2.9 very successfully. The M62 would be great on a 2.0 twinky though.
And yes I might know him.