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Clutch spring cups holes or NO holes?
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hibbert
UTC
Molto Verboso
Vespa
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Posts: 1851
Location: California
 
hibbert
Molto Verboso
@hibbert avatar
Vespa
Joined: UTC
Posts: 1851
Location: California
UTC quote
Question for the tuning gurus what is best, spring cups WITH holes or NO holes? Do holes let oil IN or OUT? What is being achieved? Do holes improve lubrication or do solid cups retain more oil IN the clutch but limit oil coming IN?
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whodatschrome
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parallelogramerist
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whodatschrome
parallelogramerist
Joined: UTC
Posts: 5469
UTC quote
I look at it from a standpoint that the cups with no holes would be lighter weight...which can only be a good thing to help our cranks live longer. But the weight loss is so minuscule that i don't think it would make a lick of difference.
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