HI....I HAVE A FRESHLY BUILT 383 HERE ARE THE SPECS......stock crank.. polish and new bearing...edelbrock camshaft:Duration at 0.006" Lift: Intake: 300° Exhaust: 308°
Duration at 0.050" Lift: Intake: 238° Exhaust: 246°
Lift at Cam: Intake: 0.320" Exhaust: 0.330"
Lift at Valve: Intake: 0.480" Exhaust: 0.495"...with matching valves springs....edelbrock double roller timming chain...edelbrock torquer aluminium intake.....edelbrock 750 cfm performer series..kb400 dome pistons...full length hedman headers 1 7/8 ..3'' out....906's with little porting....(88 cc)...2.14int 1.88 exh valves...thinking of 3.55 rear gear....dont know the hp of the engine....and i was looking for a TCI breakaway 11''.....converter....2400 flash....for a 1968 tf 727 ...i want to run mostly on the street....but want some good launch on the track....is it a good choice??or a higher stall be required and when they told you the specs of the converter they tell 24 splines.....24 splines is it on the big shaft near seal of the trans or the little one that enter the big shaft??....thanks a lot for replies