You may be correct up
We ran 1/4 mile only back then in SO CA. that was long before we got all the information on the time slip like we get today shruggy
When I put the six pack on my old pump gasstroker motor I got the car to go the fastest by making the outboard carbs. open quicker by using a bolt in the return slot on the center carb to force the outboard carbs open immediately at WOT wrench up

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)