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I was reading somewhere that roller rockers on an older (markIV, big block) is not suggested. It has to do with the poor oiling design of the engines. Any of you folks hear /know anything about this? huk_finn 38730.6208564815
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I have roller tip rockers on my 454 and on my 427 L71
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The PO of mine installed roller rockers way back then, as the original GM (I was told) had a tendency to break in the big blocks.
When installing roller rockers, the valve cover has to be replaced as well, for one a little higher. That could be the reason some people had bad experience if they kept the original covers.
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Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
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I've never heered of this one! 
We've run roller rockers on every BB racer I've ever run, from drag cars, drag boats, super gassers, pro-gas, etc. Sounds like an old "bubba" tale!
We've run roller rockers on every BB racer I've ever run, from drag cars, drag boats, super gassers, pro-gas, etc. Sounds like an old "bubba" tale!
Joel Adams
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in Forum: C3 Engines, Driveline and Handling
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