Originally Posted by Frankenduster
To me, the down side of the 518 is the crappy 2.45 first gear ratio is a carryover from the 727. The 700R4/4L60E has a 3.06 first gear but second is a tall 1.62. That is a wide spread, sort of reminds me of the 833 OD 4 speed.


2.45,1.45,1.0, .69 even with a 3.54 gear my car pulled great, 1.55 60ft, VERY mild 512. 4100lb pig

Last edited by csk; 12/03/20 01:28 PM.

1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5