Re: 356 crankshaft weights question

Posted by BDeB On 2011/6/22 22:00:50

I used a spline type screw extractor to remove the bolts by carefully drilling a hole of the recommended size for the extractor in the center of the bolt. I broke a standard socket on the first try but was successful when I used an impact socket in the 5/16' size needed for the hex on the extractor.
The attached photos show the holes drilled in the bolts, extractor driven into a bolt, removed bolt with extractor still in place and the removed counterweights.

For those who have never seen one of these crankshafts, removal of the counterweights is necessary for grinding the throws to undersize since the weights overlap the edge of the throws by about 1/16"

Brian

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