https://en.wikipedia.org/wiki/Chevrolet_Impala
6t70 was available in the last generation w body the 9th generation impala. Making me 100% with out a question of doubt that it WILL fit in a wbody.
It was backed up with the 3.6 V6 for model year 2012. 2012 they dropped the 4 speed in favor of that 6t70.
So yes it fits. Tuning it, well I don't know how or who can do that but its been done like I said in the LS2/6t75 fiero.
6t70/6t76/6t80 are all nearly identical in size and co-developed by GM and Ford.
https://en.wikipedia.org/wiki/GM-For...c_transmission
Ive drove the 300hp 3.6/6t70 impala as a rental car and I noticed it felt entirely different than the 7 bodies Ive owned yet shares the same chassis Hmmmmm weird huh? LOL!!
Here is a 3 page thread from ls1tech.com The LS4 guys are trying to make this an option but the LS4 uses a different starter location so that's the current problem if using a V8 with it. I expect this to be resolved same way the ls4/4t80 solution, mod the oil pan to fit the starter.
http://ls1tech.com/forums/ls4-perfor...ter-plate.html
Isnt the interwebs like fvcking magic when you just spend a little time looking around.......But that requires a lot more than just typing NOPE! to everything........... LOLOLOLOLOLOL
Well half way there does it fit? YES. Who tunes a 6t70? HPtuners does. Now just make it work with the older 3800 v6 is the only missing part left.
http://www.hptuners.com/forum/showth...tock-6T70-tune
Linked ^ the above thread to simply PROVE tuning support is available.........
OP. you could start by sending Will @ Overkilled a PM I know he tunes the 3.6 6 speed impalas. I have talked to him before about swapping the 3.6/6speed into an older wbody in the past also.
