Hello all, I have a 2002 GMC Envoy SLT with a Vortec 4.2L, 6-cylinder and the tranny is 4160E. It has about 188,000 miles on it. I recently payed way to much ($3,030.10) at AAMCO in Lancaster, California for them to fix my slipping transmission. I know, I got screwed! It doesn't matter if I got...