Yesh, 2000 = 15 +/- 2, 2001 and up 10 +/- 2

There is also a different procedure for checking and setting the timing on 2001 + trucks and I don't remember what the procedure is for them.

OK, dumb question from me! How the hell do you guys do the stacked + and - ?
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ChuckH
"Every morning when I wake up I know it's not going to get any better 'til I go back to sleep again!" Al Bundy