Boxerworks.com

Yep, have access to his dyno too. And wow this is really great stuff guys. I thought expanding headers were only applicable to 2 strokes with expansion pipes. Is it the same idea with the exhaust pulses IIRC?

everyone's probably seen it but for those that haven't, this is my 1983 R65 frame with a '75 R90/6 motor in it. I still run the 32/9 final drive.

Okay now we're getting somewhere. No, my bike doesn't have Dells...but what I do have is a pair of Mikuni 36's that I want to play with, as far as my heads...my friend owns a bike shop where I can get some work done. I was gonna have him port them this winter and bigger valves wouldn't be a problem....

Ok, in that case, explain to me the reason for a 40mm exhaust on the RS. Please.

Can it be done? I have a R90/6 motor and the bike that it was in got in a wreck, slightly bending the headers. So I cut out the crossover and got the holes welded up but now i'm noticing that I have a exhaust leak at my right port. Further examination found that my right header is a bit more bent th...

Anybody ever try and stroke an airhead? And what happened to the forum?? I used to be all over this thing and i had to re-register...