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AL (64.12.96.235)

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Posted on Tuesday, April 22, 2003 - 10:29 pm:   

I've seen alot of talk here (BNO) on auto transmissions, but I don't think I've have seen anything on the problem like I am having. I am changing from manual trans. to auto (Allison HT740) on a 05 eagle.

My question!
The auto trans. is 8 3/4 inch longer than the manual trans. and my local driveshaft shop says the driveshaft can not be shorten that much from the length that it is now. And I don't know that I can reposition the engine, because of the miter box. How have you guys that have done this gotten around this?

PS
The miter box has, what looks like a balancer on the front.

Thanks in advance to all.

ALBUS4106
tn bobsbus (205.188.208.39)

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Posted on Sunday, April 27, 2003 - 11:00 am:   

how long is your drive now? i have a crown, driveshaft 11" long. picked up pieces laying on ground in truck junk. bob eagle 01
Neo/Russ (216.148.244.38)

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Posted on Sunday, April 27, 2003 - 11:31 am:   

FWIW, I'm converting from an 8V-92 to a 60 series and also using different auto, so the driveshaft length came up for me too. I'm converting an '81 Neoplan so I called the Colorado factory and talked to customer service (nice to have a bus that's still in production, in the U.S., with real engineers) and was told that they have gone as short as 14" [I don't know if that is joint to joint, or flange to flange, but I expect joint to joint). They also said to keep an offset of at least 3". From my days engineering sterndrives for MerCruiser, I recall we did the same to keep needle bearings moving so they would last a reasonable time. Since my shaft is 32" joint to joint, I've a lot to play with before I get too close.

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