timing advance on tri-z's

[03 ORANGE SHEE]

has anyone tried to advance there timing??if so did you notice a loss in the bottom end department??i advanced mine 2 degress and could not tell a thing from stock,post your thoughts,thanks,nathan

[TimSr]

Ive moved it from one extreme to the other and cant tell the difference.

[03 ORANGE SHEE]

thanks tim sr,i was wondering if i was going nuts,cause when i went +7 on the drag shee,i really noticed it,but was warned by the engine builder to go back to+4,which i notice it too over stock timing.