asund24 Posted February 25, 2011 Report Share Posted February 25, 2011 When looking for a 4l80e tranny to swap with the 4l65e, can i get a 2wd and swap the output shaft or is better to get a 4wd one. Also what is the lowest year or recommended year to buy. Quote Link to comment Share on other sites More sharing options...
shawnss Posted February 25, 2011 Report Share Posted February 25, 2011 I pretty sure you need to look for a 2001 and up and you can swap out tail shafts but its easier to just get a 4 wheel drive 80. Cause it will have the right tailshaft housing. It really depends on what your putting it in? Quote Link to comment Share on other sites More sharing options...
Vince @ FLT Posted February 28, 2011 Report Share Posted February 28, 2011 Personally I would recommend a 99 and later unit because the bell will be correct for your combination. Look for a 4x4 one so you do not have to buy a new output shaft if at all possible. The earlier units will work just fine except you loose the 12 o'clock bolt hole location. Also with the later cases you can get a structural inspection cover that will bolt directly to your engine oil pan and also to the transmission. This IMO makes the structure stronger. HTH Vince Quote Link to comment Share on other sites More sharing options...
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