[Ol Blue K20]

Originally Posted by 67ChevyRedneck

I'd read they tend to fail around 120K (on average) on my 2000 Z71 is was like 119,600 or so

I dropped mine with 1/4 tank of gas. Not a fun job.

I was lucky, mine gave me warnings. It did the "hard start" issue where the check valve fails? so there's no initial pressure for start up.

Mine wouldn't pull a long uphill grade. It would start misfiring. Runs great now!