sierra

New member here, long time lurker with another 4l60e question thread haha I've got a 2010 Sierra 1500 SL 4.8 no-AFM with a 4L60E and a manual transfer case that just hit 70k KM, I bought this truck about 2 years ago at the 60K mark and did it's first transmission service. The fluid looked...

Well after dropping my 3rd lifter in 9 months I made the decision to do a BTR delete kit (BTR L86 delete cam) with GM performance LS7 lifters. It’s definitely time consuming, but shouldn’t have anymore issues now. Here’s a few pics of the progress. I replaced almost everything I could while I...

Here's my 14 Sierra with said wheels. I had some 265/60/20's on it beforehand, and now these tires have less than 1,000 miles setting on 18's with 275/70/18's.