Re: Model B crank in Model A
The last "B" crank I put into a "A" block ground mains to 1.850 dia and used rod bearings from a saturn motor. The line bore just cleared the bolts.
Grinding the crank to "A" main dimensions is just asking for trouble, especially if cross drilled and the proper corner radius is not achieved.
If I remember correctly, the "B" crank flange will also probably need to be turned down to fit in the cap or block.
This is a logical conversion if going to turn up the power/compression and breathing.
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As Carroll Smith wrote; All Failures are Human in Origin.
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