I have a 78 4wd with a 440 in it. I was just woundering if there was a 4speed auto I could replace the 3speed 727 with? If so what will I have to switch to put it in?
Thanks
Adam
Speed Dragon
10-11-2007, 10:11 PM
I think Keisler sells a big block OD trans, but it ain't cheap. They never made a big block AOD, so I'm assuming they're cutting the bell and welding on a new big block flange, or either modding 727 cases to accept the OD parts.
buck99
10-12-2007, 09:18 AM
I know there's a place that sells an adapter plate to go from big block to a 518 overdrive transmission. There is also a kit for automatically operating the lock up torque converter with this setup.
I'll look for the link when I get home tonight.
buck99
10-13-2007, 11:31 AM
www.redrider.us/518_parts.htm
Here's the link I was talking about. Pretty expensive...$639... just for the adapter, but probably worth it if you drive that big block alot.
It's on my wish list.
77Utiline
10-16-2007, 04:45 AM
I think there is also an OD add-on for 727's
buck99
10-16-2007, 09:30 AM
Gear Vendors makes an add on but I don't think that will work with a 4X4 and costs about $2500
440PowerWagon
10-17-2007, 07:59 PM
Thanks I will see what I can do. :D
B-300
10-19-2007, 08:47 PM
www.transmissioncenter.net also has adapter plates listed in the dodge section near the end of the 518 parts list.. I'm not sure on the cost.
