Timming

Tiny
PLABBE
  • MEMBER
  • GMC C1500
Im changing the timming chain and I cant find what the degres are for my 1982 gmc 1500 with a 350 there is no sticker left under the hood and I would like to know what the timming should be before or after tdc. Its automatic with a carburator.
Thank you for any replys.
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Wednesday, August 1st, 2007 AT 2:18 PM

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Tiny
DANIMALGMC
  • MEMBER
  • 33 POSTS
Most 350 GM motor timing setting varied from generation to generation.
Your best bet is to set it to 8 BTDC and adjust it about 2 either way until you think it runs right.

That's just an old rule of thumb trick.

Good Luck
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Wednesday, August 1st, 2007 AT 9:30 PM
Tiny
PLABBE
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Thanks alot for the info.
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Thursday, August 2nd, 2007 AT 7:05 AM

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