Originally Posted by
arveetek
I'm at 320K miles on my 1995 6.5L now. She is showing no signs of slowing down or wearing out either.
Casey
The ol' Tahoe made it to 375K miles before popping a head gasket in July of 2021 - she showed no symptoms of any issues at all, but suddenly popped without warning, causing the rear two cylinders to fill with coolant when sitting for more than a few moments. I could have slapped some gaskets back on and called it good, but ended up rebuilding a low-mileage 506 block to drop in, and I've currently got around 390K on the clock and about 15K on the new engine.
Casey
1995 K1500 Tahoe 2 door, 6.5LTD, 4L80E, NP241, 3.42's, 285/75R16 BFG K02's; 1997 506 block; Kennedy OPS harness, gauges, Quick Heat plugs, and TD-Max chip; Dtech FSD on FSD Cooler; vacuum pump deleted, HX35 turbo, Turbo Master, 3.5" Kennedy exhaust, F code intake; dual t/stats, HO water pump, Champion radiator; Racor fuel filter
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