i just bought a 11/69 SCJ 429. i popped the valve cover off to check it out, and this is what i found. does this look like all the factory parts? did the solid lifter cars use a jam nut like this? how about that bottom spring cup?
Looks like a big block Chevrolet rocker arm to me. I could be wrong however, I was under the impression that the Ford "ball fulcrum" rocker arms were cast not stamped, (up until the "sled" type).
Looks like all factory except for the retainers, but I don't see the D0OE stamped in the giude plate. Spring seat and the jam nuts are right for a SCJ. At least it is the same as my two SCJ's.
That whole spring package looks like it's new aftermarket. And the rockers look like D3 sled style that have been retrofitted to 7/16 stud. I put a jam nut setup like that on a 351M, or 400 years ago to make the valvetrain adjustable. Think it might have been a kit sold by Crane or somebody.
Retainers and possibly the spring cups aftermarket . Caant tell if the spring cups are stamped or machined. Machined would be aftermarket, stamped factory.
Thinking the jam nut had a piece it held down to deflect oil into the fulcrum.
Looks factory except the retainer and maybe the spring. The spring seat is factory, even has the oil drain cut out.
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