GM 4L85 SuperMatic
07-27-2014, 12:07 PM
#1
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GM 4L85 SuperMatic Hey Guy I'm thinking about buying this tranmission the GM 4L85 SuperMatic its for my 2012 Camaro but I'm trying find list of the internal part i did google it but didn't come up with anything do any have this or know where i can get it PLEASE!!
07-27-2014, 12:27 PM
#2
It's simply a 4L80E with 5 pinion planetary sets. It is still going to be limited by the hydraulics and stock shafts.
You would be better off with a well built unit.
We did a few where we took new 4L85s and upgraded them.
You would be better off with a well built unit.
We did a few where we took new 4L85s and upgraded them.
07-27-2014, 05:49 PM
#5
We did a few for a contract customer that money wasn't an issue so they spent the $ for the new transmission as a core. We upgraded the input shafts and forward hub to billet, upgraded the hydraulics, rollerized a few locations. If using a 2.75 gearset, I would save the money and just use a used core. We use a high quality 6 pinion rear gearset when we do a 2.75 gearset. There are some gearsets made that are very poor quality.
Jake
Jake