Re: LS3, 4l80e, Np205 in 1972 Blazer
I was reading that you DID need to plug the hole. The larger hole that looks like a freeze plug carries oil to the extension housing and the bushing within on 2wd trucks.
__________________
'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING
|