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03-23-2006, 12:07 AM
| #1 |
| Full Member  Join Date: Mar 2006 Location: missory
Posts: 10
 | ping on the go On my 86 gmc when i get into it it will ping I know it has to be in the timing but I don`t know what the timing is supposed to be set at on a 305. Would some on help me
__________________  3 quarter horses 2 mules 81 bronco 302 efi 78 f250 400 w/ 750 edelbrok 1 wife 4 kids not sure which cost more each week   |
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03-23-2006, 02:38 PM
| #2 |
| Senior Member Join Date: Dec 2005
Posts: 307
| Isnt there a marking on your harmonics balancer cover? |
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03-23-2006, 02:56 PM
| #3 |
| Senior Member Join Date: Dec 2005 Location: farmville Va
Posts: 348
| I'm pretty sure its at tdc 0 degrees. but if the egr ports are plugged up in the intake it will ping even if timing is on the money |
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03-25-2006, 02:55 PM
| #4 |
| Senior Member  Join Date: Sep 2005 Location: ALABAMA
Posts: 3,555
 | Yip ^^^, the timing marks on the harmonic balancer and timing cover help with setting the timing, But you first need to know what it should be set at. Unplug the dist vacuum advance and set it at o degrees. then plug everything back in. If it still pings it either has a plugged EGR or a stretched out timing chain.
__________________ Some people are like slinkies, Basically useless, But fun to watch when you push them down the stairs. |
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