Thread: 4l80 adapter
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Old 09-04-2017, 10:11 PM   #6
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Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 1,265
Re: 4l80 adapter

the 4l80-e has a tiny bit different ring cast in the adapter were the BIG square cut o-ring sits from a th400 . also th400 adapters have feet forward for the mount to bolt on the bottom and these hit the case of a 4l80-e . true 4l80-e adapter has feet rear word .

th400/round 205 adapter = pic 1 and feet forward .

4l80-e/round 205 adapter = pic 2 feet rearward .

i know not for 241 case but shows the idea .
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