Volvo RWD 120-130 Forum

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Vacuum Advance (Again!) 120-130

posted by  walrus3 on  Sat Jun 4 17:56 CST 2005
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last visit: Mon Dec 2 14:20 CST 2013
[RELATED]

My guess is that maybe you are missing the oil in the dashpots of your
carbs or that they are otherwise maladjusted.
The biggest thing the vac advance does is keep the engine from kicking
back while the starter is cranking it (very little vacuum). Once it starts,
vacuum goes up and gives you the advance you want, in addition to the normal
centrifugal advance. I've had 'em with and without vac advance and there
seems to be mighty little difference.
--
George Downs Bartlesville, Heart of the USA!






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New Vacuum Advance (Again!) [120-130]
posted by  Tom O.  on Fri Jun 3 15:58 CST 2005 >


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