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MG MGA - Distributor Advance Fouling - Gotcha

A colleague has been having advance problems of late - ever since he fitted new points.

I took his distributor out for further investigation and discovered that the vacuum advanced was locked solid. I then noticed that the set screw that locks down the points (also used for points setting) was either too long or was missing a washer. I have electronic ignition so I am not sure about there being a washer below the head but I suspect there is.

Anyway, once fully tightened up, this screw was tight against the base plate, preventing the top plate containing the points from moving under vacuum advance.

Photo attached.

Steve

Steve Gyles

This thread was discussed on 16/03/2011

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This thread is from the archive. The Live MG MGA BBS is active now.