Thread: Timing Question
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Old 10-03-2009, 11:12 AM   #13
LONGHAIR
just can't cover up my redneck
 
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
Re: Timing Question

Quote:
Originally Posted by Hawker7 View Post
I'm not running it with no vacuum advance. Only to time it.
Sorry, I didn't mean to confuse, I was refering to 69GMCLonghorn about the lack of vacuum advance.
You are correct in timing w/ the vacuum advance disconnected.



Quote:
Originally Posted by Mertz View Post
Actually that is base and mechanical for a total of 37. It would be 23 mechanical. I am also running my vacuum advance off manifold vacuum.
Well an initial setting of 14 plus 23 centrifugal would indeed total 37, I missed it in the wording.....I was confused by the "total" of 55...? I am assuming that this would be the "theoretical" vacuum added?....because it won't. These things really don't "just add up" The odds of you traveling down the road @ 3000 RPM and still having enough vacuum to pull in the advance are pretty slim. About the only time that happens is when you sharply close the throttle....you might make it happen "free-revving" in the garage, but it won't happen under the load of moving the truck.

Quote:
Originally Posted by Mertz View Post
I set mine up for 14 base and 37 with mechanical and a total of 55 at 3000 rpm.
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Quote:
Originally Posted by Longhorn Man View Post
As for reading directions...
The directions are nothing but another man's opinion.
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