Community Forums

hillboy · 04-07-2009, 05:19 PM

I don't need overdrive but I sure could use another gear. Would a move to a 5speed be practical? If I want to ad an engine exhaust brake I would also have to get a new torque converter correct?

Thanks any info.

DAN L · 04-07-2009, 11:36 PM

Quote:

Originally Posted by hillboy

I don't need overdrive but I sure could use another gear. Would a move to a 5speed be practical? If I want to ad an engine exhaust brake I would also have to get a new torque converter correct?

Thanks any info.

have you checked gear venders underdrive/overdrive? i believe there are folks on this forum who use it.

hillboy · 04-09-2009, 11:47 AM

I'll have to do that but I don't think they have an application that will fit an Allison. thanks for the suggestion. I hope they do.

dbarton291 · 04-21-2009, 04:52 PM

Quote:

Originally Posted by hillboy

I don't need overdrive but I sure could use another gear. Would a move to a 5speed be practical? If I want to ad an engine exhaust brake I would also have to get a new torque converter correct?

Thanks any info.

One thing you might consider: Inland Truck Parts in Irving, TX used to convert a lot of motorhomes from the AT-545 to the MT-643. That doesn't give you overdrive, but it does provide a lockup clutch. I've heard good things about the conversion.

hillboy · 04-25-2009, 03:48 PM

Quote:

Originally Posted by dbarton291

One thing you might consider: Inland Truck Parts in Irving, TX used to convert a lot of motorhomes from the AT-545 to the MT-643. That doesn't give you overdrive, but it does provide a lockup clutch. I've heard good things about the conversion.

I'll check with them. I was just in Dallas but not with Motor Home. Broke a shock in my driveway(long story) so I, drove the car.

Thanks.