Originally Posted by
RUNNINONMT
how much fuel have you put threw it?
1 1/4 Gallon removed 1 copper shim, #6 nova plug, nitrotane 30%. It's still pretty tight. I don't think it dropped it's nuts. Hasn't richened up on me.
I borrowed a R21 when i ran the pro series race GL rnd 1 and it was dialed.I bought one after running a gallon there. Both feel awesome.