Distributor Shaft Scoring and rebuild

S

sandbug

Member
On my son's coupe, I am rebuilding the distributor. There are two scoring lines near the end of the shaft. Any idea what would cause this, something else to check, and is it okay to use or should I buy a new lower shaft?

Dist Shaft.jpg
 
That's where the lower shaft bushing rides and has left its imprint on the shaft from lack of lubrication. DO worry about it. Replace the two bushings and shaft or you will have lateral slop between the shaft and bushings, which will affect the points gap as the shaft spins. Cheap and easy solution: Replace both bushings and upper shaft and periodically drop some 3-n-1 oil through the side brass oiler or install the drilled upper shaft already made for dripping oil down its center.
Marshall
 
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