Guest Straight eight Posted September 15, 2007 Share Posted September 15, 2007 Does the Olds engine that was installed in the 85 Rivie have roller rockers or the old slider rockers?Another words is this an engine that needs more zinc due to the slidding action of internal parts. Link to comment Share on other sites More sharing options...
tim63riv Posted September 16, 2007 Share Posted September 16, 2007 Straight 8,The engine is equipped with roller lifters, so Zinc shouldn't be as much of a problem as an old flat style lifter. It does NOT have roller rockers, they are the traditional style Olds rocker arm and pivot set up.Tim Link to comment Share on other sites More sharing options...
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