timming

GMC C1500
Avatar
PLABBE
  • MEMBER
  • 12 POSTS
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.
Aug 1, 2007 at 2:18 PM
Advertisement
Avatar
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
Aug 1, 2007 at 9:30 PM
Avatar
PLABBE
  • MEMBER
  • 12 POSTS
Thanks alot for the info .
Aug 2, 2007 at 7:05 AM
Advertisement