The guy that built my engine said when asked his advice some yrs. ago, that when I got my 3.25 Traction-lock (upgraded from 280 open), "I would think I had gained another cylinder". He was right. 3.25-3.55 seems about right to me.
Rev
------------------
'66 Coupe, 306, 300 HP, C-4, 13.97 e.t., 100.3 mph
1/4 mi.
|