I have a '97 K1500.... L31 (350 5.7L), 4L60E, F44 chassis (14 sf rear)..... 234,610 miles as of this writing, still on the original driveline. I bought it in 2013 with 176,003 miles and it has been my daily on and off... Currently my daily since 11/2021 with no end in sight. It does have...