The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Weird - Oil ring pops out of groove while running on dyno

hamjet · 06-07-2016, 06:14 AM

It does sound impossible unless theres enough piston to bore clearence for a ring rail to slip by and even then I would think a problem with the compression rings to allow a high amount of blow by to force the rail out of the groove.

06-07-2016, 06:14 AM	#16
hamjet Registered User Join Date: Apr 2013 Location: South Westerlo, New York Posts: 1,325	Re: Weird - Oil ring pops out of groove while running on dyno It does sound impossible unless theres enough piston to bore clearence for a ring rail to slip by and even then I would think a problem with the compression rings to allow a high amount of blow by to force the rail out of the groove. __________________ Thanks, Joe.. 1969 C/10, 348 C.I., 3X2 bbl. V8, 2004r , LWB.