Quote:
Originally Posted by LeeumH
Finally got the cam in I see.
My VTR made 110bhp at standard timing with the PT40 and breathing mods. Best power (117.9bhp) was made at 2 degrees advanced from standard timing... Wizzy's made best power at 1 degree advanced. I'd fit a vernier pulley (be careful not to rotate the cam when sliding it on), adjust the timing to 1 degree advanced, then 2 degrees advanced - see if it feels any better.
Results may be more clear cut on the rollers but I'm pretty confident you'll see best power with the PT40 in the region of standard timing to 2 degrees advanced. 
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I'm looking arround for a vernier pulley so definitely going to try it soon. So what do you think? I added 20 bhp?