When I restored the MGB I did not want to mess with the MG wipper system. It was always weak. I chose aftermarket wippers from the Hot Rod industry. Not only are the motors and windings up to date with the way things are buil;t today but parts are available here through the local companies which is a plus too.
http://www.spwkits.com/powerwiperkits.htm
The wippers are mounted very similar to the way to the Pantera wipper assembly. The motor and gear box can be angled and mounted off too the side. This is what I plan on using for my Pantera. They can be parked either left or right.
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