HighPSI TSi Guy
20+ Year Contributor
- 1,212
- 11
- Nov 7, 2002
-
Fredericksburg,
Virginia
anyone here played with timing advance on their NT 4g63? if so, how much did you advance timing? how much power you think you got out of it? noticeable? just curious for anything little and free to give my beater a bit more punch...

