[V8 Bob]

I did some checking to verify the 8BA alloy front cover with the lower support WILL accept ALL aftermarket distributors with a stepped "iron style" lower housing IF they were machined correctly.


My 8BA alloy distributor's short upper housing diameter measures 1.060"


My stock iron distributor's upper support also measures 1/060".


The stock iron's middle support measures .963", and slides easily into the alloy cover.


My Mallory dual point measures 1.060" and .958", and also easily fits the alloy cover.


The Mallory has the common aftermarket stepped lower housing WITH an extended shaft that is intended to fit ALL 8BA style front covers; direct fit to the lower supported alloy cover, or iron/alloy covers without the lower support by simply cutting/shortening the shaft and reinstalling the gear.


Alberta50fordor, your new distributor housing is/was just slightly oversize at the first step down on the housing. Adding some cover clearance like you did was an easy fix.