Broken Lifter - Club Cobra

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#14 (permalink)

10-04-2009, 10:37 PM

onefastmustang onefastmustang is offline

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Join Date: Jun 2005

Location: Fairfield, ca

Cobra Make, Engine: CRII with a Stroked Windsor

Posts: 976

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Quote:

Originally Posted by 4pipes

Considering that the major load is forcing the roller up into the body, I would guess that the press fit of the shaft into the body was excessive, and as a result left a microscopic crack at the time of assembly. The crack propagated under stress (vertical vibration).

So you are thinking they were just a defective set?

I checked my valve springs and they are the X302 set that Ford states is compatible with roller camshafts so I don't think there is an issue there. I am wondering if the spider is creating an issue. One of the dogbones was a little loose. However the lifter under that dogbone was actually fine. I guess I will wait and see what KC has to say.

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