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Old 03-10-2018, 11:55 PM   #3
sweetk30
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Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
Re: 4L80E Trans Tunnel mods?

there maybe a tad bigger than a th400 . the 4l80-e shares some of the th400 parts .

you should be fine or maybe just a few tweeks.

on a 1974 i would also be looking at body mount bushings . if there dead this will drop the cab closer and make it tight.
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