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Distributor advance vacuum point - before or after the throttle 140-160

posted by  malloy1 on  Sun Jan 16 14:31 CST 2011
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last visit: Sun Oct 12 17:44 CST 2014
[RELATED]

I have a 085 dizzy in like new condition (tight shaft bushings). Been playing around with it to see how it works. Hooked up the vacuum advance to my 240 to see if the advance was working.

Looking at the vacuum unit, seems to function correctly with vacuum infront of the throttle (moves with the throttle position). After the throttle (engine side) seems to be activated (pulling the points plate) all the time. Is it correct that vacuum needs to come from infront of the throttle?

If so, on the SUs, I don't see a vacuum port infront of the throttle, but there is bung on the front SU that seems to go infront of the throttle. Can that bung be drilled and tapped for a vacuum port?

What about the vacuum retard dizzies? Before or after the throttle?

Paul

BTW-are the points still available for 0231170085 distributor?






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