Re: Convert Allison 1000 5sp 2wd into 4wd
if you decide to convert the 2wd allison to 4wd then you must stand the trans up tall on its bellhousing and remove the tailshaft that way, if you remove the tailshaft housing and reinstall the new one with the trans laying down on its pan you have an extremely high chance of messing up the bearing in the back and you will not know it until it is too late and you ruin the trans.
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