Broken 5.0 Pushrods - Club Cobra

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#1 (permalink)

01-01-2003, 06:48 PM

RockSnake

CC Member

Join Date: Dec 2000

Location: Ft. Worth, Tx

Cobra Make, Engine: Lone Star Classics, 302

Posts: 128

Not Ranked

Broken 5.0 Pushrods

Nice day today, so I took the car for a drive. Comfortably crusing at about 1800 rpm, I broke a pushrod...about 1 inch from the rocker. I am hoping for some insight on any of the following questions:

(1) What might have caused a breakage such as this? I would like to not experience a reoccurence.
(2) Would hardened pushrods help prevent this kind of failure?
(3) With pedestal-mount rockers, are guide-plates recommended for hardened pushrods?

I am using the E303 cam in a 5.0 block, and 1.6 ratio roller rockers. The pushrods are stock Ford units

Thanks,
David

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