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Old March 21st, 2015, 12:43 AM
Clarke Clarke is offline
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Join Date: Jan 2013
Location: Eureka Springs, AR
Truck: 1962 1500 Wideside 4 speed (305D / SM-420)
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Default Re: Timing and Tuning

Quote:
Originally Posted by Scoutmann View Post
The vacuum advance also does not seem to be functioning. Do any of you know what the vacuum PSI is supposed to be?
I'm not sure mine is working either... Everytime I have disconnected the steel line between the carb and the distributor (to set the timing), I don't notice any change in RPM like I have with other vehicles. And, when I put finger over the tube end I don't feel any change in pressure or vacuum.

It seems to run pretty good, so I don't worry about it. Maybe I should though. I'm interested in what others say.
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