Quote:
Originally Posted by marydixon555
Replaced the 454 in my 79 Excella Motorhome with a 1990 454TBI and I'm researching a transmission upgrade for better fuel economy. The 3L80E appears to be a good choice with overdrive and additional gears but the flex-plate may be an issue. Is there anyone out there with expertise or experience with a transmission conversion?
If this sounds like a major upgrade, I can assure you it is nothing compared to what I have already done. If there is a place here to post some of the interesting and unique things that I've done (much of it personally) to my baby, I would love sharing it. I have found some very cool solutions/upgrades without losing the vintage flavor of this coach. Other than flying, restoring my ride has been and still is my favorite pass-time.
Mary
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Welcome to the forums, there is always room for another 280. You can post you upgrades right here or start a thread in Classic Motorhomes.
To answer you question check out this thread
http://www.airforums.com/forums/f159...old-69221.html He did a 4L80E coversion from n Allison. It might give you some ideas.
Cheers, Dan