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Adjusting RPMs with SU and points 140-160

posted by  Rhys on  Mon Aug 22 10:31 CST 2011
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last visit: Tue Nov 20 10:22 CST 2012
[RELATED]

Your SU should have a decel valve in the throttle plate. It's possible that the spring on it is getting weak and not holding the valve closed. You can remove the carb and solder it shut, although it's tough to get the solder to wet out without removing it completely, which is what I do routinely when rebuilding those carbs.
Write me from www.sucarburetors.com if you want further info on how to do it.
Rhys






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