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Timing

Tiny
1992CHEVY
  • MEMBER
  • 1992 CHEVROLET SILVERADO
  • V8
  • 2WD
  • AUTOMATIC
  • 198 MILES
My 1992 Silverado has a timing problem. I hooked up my timing gun and set it to the right setting but at different RPM's it'll ping for a second and then lose power after the pinging stops. My dad thinks its the "advanced timing" but cant find what controls the advanced timing.
Thanks.
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Monday, January 24th, 2011 AT 10:39 PM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Did you disconnect the EST wire when checking the ignition timing
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Tuesday, September 8th, 2020 AT 12:20 PM
Tiny
1992CHEVY
  • MEMBER
  • 3 POSTS
No, I dont believe I did. Am I supposed to disconnect the EST wire before checking the ignition timing?
Thanks.
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Tuesday, September 8th, 2020 AT 12:20 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
You suppose to disconnect the EST wire-then you set the ignition timing-shut off plug the wire back-clear it-
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Tuesday, September 8th, 2020 AT 12:20 PM
Tiny
1992CHEVY
  • MEMBER
  • 3 POSTS
Well, that was the problem, I didnt disconnect the EST wire before I set the timing.
I did as you said and it ran better. I didnt know when you disconnect the EST wire the timing would be different, now I do.
Thanks for the help.
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Tuesday, September 8th, 2020 AT 12:20 PM

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