[My name is Doug]

Originally Posted by HDWRENCH

Customers bike

98 inch
CNC heads
37 g
9.8.1
Mik 42
V&H big shots staggered

Thanks for posting my dyno sheet Steve. If I were to put back on my true dual system, how would that possibly effect the dyno? I have the TCC headpipe with SE II slipons. I currently have the Mik with a 165 main and the needle I had moved up one groove months ago.