39Cdan Posted July 12, 2019 Share Posted July 12, 2019 Hello from Virginia. Recently had my 39 Special rocker arm assembly rebuilt. Looks great but, I believe the re-builder sent it back with cup adjustment screws that are too short - can't make the rockers touch both the valve stem and push rods. Dimensions please - Nominal length of the rocker adjustment screw? Distance from the bottom of a shaft stanchion to the bottom of the rocker shaft? Seems unlikely that the new stanchions are holding the rockers too far from the head but I'd like to verify. Thank you!!! Kevin Link to comment Share on other sites More sharing options...
Larry Schramm Posted July 12, 2019 Share Posted July 12, 2019 Pictures of what exactly you are talking about, please. Link to comment Share on other sites More sharing options...
39Cdan Posted July 13, 2019 Author Share Posted July 13, 2019 Hi Larry, Removed the rocker assy. The adjustment screws that came back in the assy measure just under 1 3/8 ". When I turn the screws all the way down for the pads to touch the valve stem tops, there isn't enough thread left on the shank to snug the collar nut. Spoke with my machinist today, he'll swap longer screws with me tomorrow. Regards All, Kevin Link to comment Share on other sites More sharing options...
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