lugnuts ·
Dudes,my 1600sp if i give it anymore than 20degrees total advance it detonates and thats with optimax and a 009,any ideas,ile give you a clue 160psi in all 4 pots.So what can i do ide like to run a bit more advance if possible.Last clue 1300 hds with 12thou flycut,(runs for cover):thumb