Re: pushrod tube seal leak. I will attempt to post pictures of the rig I made to grind down straight the push rod cover seat in the front rocker box, exhaust side. I used a piece of 1/4" threaded rod, a thick 1/4" ID by 11/16" OD washer and a 1/4" ID by 15/16" OD fender washer. I sandwiched a small grinding disc between the washers.
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