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I dont know about overall E.T, but the A518 will give you a better 60 foot time due to the lower gear ratio in the planetary gear set! I think the A518 has a 2.74 low gear where the 727 is either a 2.45 or 2.54...cant remember!
Old thread....
With the 727 and 4K converter I picked up 5 tenths on my 60 foot times...I easily picked up 8 tenths on my 1/4 mile times, but I was falling flat on my nose. Now with a better cam designed for my heads, a 4bbl M1 and 58mm TB, it's running high 12's, was running low 14's to 13.8.
Was that 5 tenths along with other changes? How much do you think the Caltracs played into that pick up on your 60 ft?
I can see where there is a lot of rotating mass removed , the power goes straight thru the OD section but it does spin all that weight and the slight drag of the OD clutches .
Last edited by Johnahah; 01/05/10 02:51 PM.
