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Topic: Roller rockers on a big block

in Forum: C3 Engines


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Roller rockers on a big block

Posted: 1/13/06 2:53pm Message 1 of 4
huk_finn
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northern, IL - USA
Joined: 9/9/2005
Posts: 135
Vette(s): 1973 t top, 454, manual trans.
 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_finn38730.6208564815


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Roller rockers on a big block

Posted: 1/13/06 6:10pm Message 2 of 4
JacksL71
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sussex, NJ - USA
Joined: 11/15/2002
Posts: 299
Vette(s): 1969 L71 riverside gold convertible on frame restoration numbers matching motor 4:11 factory rear 4speed with hooker side pipes
I have roller tip rockers on my 454 and on my 427 L71


Roller rockers on a big block

Posted: 1/14/06 9:23am Message 3 of 4
74-454
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Canada
Joined: 8/6/2004
Posts: 533
Vette(s): Coupe 74 - 454 Drive it like you stole it!
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.



Roller rockers on a big block

Posted: 1/14/06 6:39pm Message 4 of 4
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Adams' Apple
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20214
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
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!     


Joel Adams
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in Forum: C3 Engines


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