trans upgrade
it looks like we are going to have to wait to upgrade to a newer MH so I would like to upgrade the Turbo Hydramatic 400 to the 700R trans. Has anyone done this here? Seems at 65 mph its topped out, so...
Forum Discussion
I've not done it toa motorhome, but have in several GM cars.
The 4L60 is another good choice, it is a newer version of the 700r4.
Your could even go with an electronic trans, combined with an aftermarket shift control computer.
Then use a 4L60e, or a super heavy duty 4L80e.
The 80 would take anything a motorhome could throw at it stock. the 60's and 700r4 should be rebuilt and beefed up to handle the weight.
All will need some sort of controller (or just a switch) to handle torque converter lockup.
If your motorhome does not have a good sized separate trans cooler, I'd recommend adding one.
Mechanically, everything will bolt together and fit. Your crossmember will work, you might have to move it back a little.
You will have to shorten the front section of the driveshaft.
If you're not a gearhead type, do some searching at summitracing.com they will have anything you need to get this done.
The 4L60 is another good choice, it is a newer version of the 700r4.
Your could even go with an electronic trans, combined with an aftermarket shift control computer.
Then use a 4L60e, or a super heavy duty 4L80e.
The 80 would take anything a motorhome could throw at it stock. the 60's and 700r4 should be rebuilt and beefed up to handle the weight.
All will need some sort of controller (or just a switch) to handle torque converter lockup.
If your motorhome does not have a good sized separate trans cooler, I'd recommend adding one.
Mechanically, everything will bolt together and fit. Your crossmember will work, you might have to move it back a little.
You will have to shorten the front section of the driveshaft.
If you're not a gearhead type, do some searching at summitracing.com they will have anything you need to get this done.
