Timing??

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Timing?? - 4/26/2007 9:54:15 PM    Chevyguy032   Posts: 170 Joined: 10/21/2006 Status: offline Ok I been told that the reason my truck acts like it does is because it could be off timing..now my question is how hard is it to check the timing...and what is the correct way to adjust the timing?? thanks _____________________________ 1987 K5 Blazer Motor: 350 TBI Trans: 4 Speed Manual 4wd Stance: 32x 11.5x15(stock) Post #: 1

RE: Timing?? - 4/26/2007 10:15:27 PM    pvollman   Posts: 10 Joined: 10/14/2006 Status: offline Is it HEI distributor or regular vacuum advance?  No mods I guess? HEI you have to unplug the 4 prong plug next to the distributor.  Regular distributor plug the vacuum and adjust to spec.  I think it is 6 degrees before TDC but it's been awhile.  I'm sure someone will correct me if I am in error.... _____________________________ PDV (USAF Retired) 1994 Chevy Blazer (Silverado), 85K Miles (in reply to Chevyguy032) Post #: 2

RE: Timing?? - 4/28/2007 12:07:45 AM    Chevyguy032   Posts: 170 Joined: 10/21/2006 Status: offline I believe it is HEI _____________________________ 1987 K5 Blazer Motor: 350 TBI Trans: 4 Speed Manual 4wd Stance: 32x 11.5x15(stock) (in reply to Chevyguy032) Post #: 3

RE: Timing?? - 4/28/2007 3:50:24 AM    Chevy Lover General Tech Moderator Posts: 3411 Joined: 6/11/2006 From: Vancouver. B.C. Canada Status: offline I'll have to get a manual for the 350 TBI as I now have that in my '90 Blazer but I believe that pvollman is correct. There should be a 4 pin EST (electronic spark timing) connector at the distributor. Disconnect that, then set the timing. There will be a sticker on the rad support if you're lucky that tells you what the timing should be set to. _____________________________ Give a man a fish and he will eat for a day, teach a man to fish, and he will sit on a boat drinking beer for a life time (in reply to Chevyguy032) Post #: 4

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