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I’m in the middle of a “refresh” of my ‘55’s 239, currently working on the heads. They are the original EBV-C heads. The mystery is that they had the spring baffles (see pic), but the parts manual doesn’t show, or even list, these baffles for the 54 or 55 239s (unless I am missing it). Could it be that the rocker arms cane from another set of heads? Thoughts?
I’m in the middle of a “refresh” of my ‘55’s 239, currently working on the heads. They are the original EBV-C heads. The mystery is that they had the spring baffles (see pic), but the parts manual doesn’t show, or even list, these baffles for the 54 or 55 239s (unless I am missing it). Could it be that the rocker arms cane from another set of heads? Thoughts?
That is an EAD 6524-C Oil Deflector. It routes drip oil from the rocker arms lubrication around the valve seals.
They were eliminated from PASS CAR SVC in mid-56 production but truck kept them. You want those. Removal will disturb valve-train geometry so you will have to compensate for that.
That is an EAD 6524-C Oil Deflector. It routes drip oil from the rocker arms lubrication around the valve seals.
They were eliminated from PASS CAR SVC in mid-56 production but truck kept them. You want those. Removal will disturb valve-train geometry so you will have to compensate for that.
Thank you. I didn’t think for a second that I could leave them off. And I did find the PN in the catalog, but it was shown on an earlier engine. I just wonder why they weren’t included in the diagram for the 239.
What you are seeing is catalog updates, cataloging usually being updated every quarter.
The second ILL shows 1954/ but the lash caps (6550) shown on the EXH VLV did not come into use on the FYB TRUCK ENGINE until 1957.and the deflectors had been deleted by then.
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