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bwdz · 04-20-2017, 02:07 AM

I've seen these for decades now, no one has been able to make one actually seal and last. Most of the prototypes I've seen were on motorcycle or single cylinder engines.

04-20-2017, 02:07 AM	#4
bwdz Registered User Join Date: May 2016 Location: Northville, MI Posts: 249	I've seen these for decades now, no one has been able to make one actually seal and last. Most of the prototypes I've seen were on motorcycle or single cylinder engines.