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View Full Version : Best Choice for Mopar 727 swap to Overdrive?



geoffreyj318
09-26-2006, 08:17 PM
I have a Mopar 318 with a 727 transmission. I would like to upgrade to an overdrive transmission. What would be better, swapping in a 518 or a GM 700R4 or 4L60, with an adapter?

lantzn
09-29-2006, 01:15 PM
I've got a 360 and I'm going with the Keisler setup.

geoffreyj318
09-29-2006, 02:18 PM
I have been checking the Keisler website, and I can't find any information on that system. Do you know what transmission they are using, what specs are, and the projected pricing?

lantzn
10-02-2006, 03:31 AM
It's in all their Mopar mag printed ads. I search automatic on their site and found this.

http://www.keislerauto.com/mopar/transmissions/automatic%2D4sp.asp

sfpaintball
10-07-2006, 10:24 AM
There any cheaper options out there?

ProStreet R/T
10-07-2006, 10:38 AM
A518 will be the easiest to bolt up as it's pretty much a 727 with an OD section on it.

Ron S
10-07-2006, 10:57 AM
I would use an early 518 because its stronger,and you don't need any electronics to run it,just an on-off switch for the overdrive.The keisler setup uses a GM late model 4L60E with a custom bellhousing,which must have a controller to run,it probably works good,but man is it pricey.