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Old May 7th, 2017, 05:29 AM
401bluebird 401bluebird is offline
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Join Date: Oct 2016
Location: Ojai California
Truck: 1960 GMC chassis 401 V6 Bluebird coach
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Default RT 910 10 speed retrofit from 5 spd

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After years of waiting, I am about to refresh my GMC chassis 1960 Bluebird all American Motorhome conversion. My 401 GMC v6 is tight and runs well. It has a Clark 5 speed which doesn't offer enough gear choices for this marginally powered coach.

My friend, a diesel bus mechanic, suggested I find an Eaton/Fuller RT 910 road ranger 10 speed trans. Says they are very common and can be acquired for fairly cheap. It offers the obvious closer gear spreads, plus as a bonus, an overdrive final ratio; something I can really use.

My bus chassis has the large bell housing, which I am to believe is an SAE 2 size. Has anyone done such a swap before? My mechanic friend said that there are two basic shifting mechanisms, one is cable, the other is mechanical rods.

I appreciate any insights offered.
-Andy Carlson
Ojai CA
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