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08-01-2010, 01:45 PM | #1 |
Registered User
Join Date: Jul 2010
Location: jacksonville, florida
Posts: 21
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two different diameter pushrods in chevy 454
I had a bad head gasket so I'm in the process of fixing the problem. I got both heads resurfaced and every thing has been cleaned up. I'm just waiting for parts at this point. When i removed the pushrods from the engine, on seven of the cylinders the pushrods were 5/16 in diameter and one cylinder had 3/8 inch diameter. When i did some research it seems that whom ever rebuilt this engine put pushrods in it for a small block????? in this 454. From what I can tell the bbc 454 is supposed to have the 3/8" pushrods. My question is can i just replace the pushrods in this engine to the proper diameter or do I have to replace rockers etc???? thanks
Last edited by pwrunt3pte; 08-01-2010 at 01:46 PM. |
08-01-2010, 02:10 PM | #2 |
Hollister Road Co.
Join Date: Apr 2005
Location: Houston
Posts: 6,131
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Re: two different diameter pushrods in chevy 454
Stock are 5/16 and 3/8 were a performance rod. SBC rods won't work in a BBC. just replace the push rods unless the rockers are worn on the valve end.
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