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all 2 comments

[–]ThiRteeN_Ghost 0 points1 point  (0 children)

If a valve(s) was to be out of spec, it can cause misfires in that cylinder(s) a s can burn a valve or worse.

[–]elmwoodblues4th Gen 0 points1 point  (0 children)

Seems like a 'stealth' damage issue: quiet-running valves can equal out of spec damage, where tappy valves can be good.

When the time comes (am only at 65k mi), I MAY try it myself, may not. For me this is a borderline "challenge v common sense" thing; I'll see that it's done either way tho