Thread: SU carb dampers
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Old Feb 20th, 2018, 14:54   #2
blueosprey90
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Probably a combination of too much and too thick of an oil. As the piston rises, the oil isn't able to bypass the piston damper and is then forced out of the cap. I think I'm using a light machine oil in my Volvo SUs - something like a sewing machine oil. Filled to about an inch below the top.
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