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Old 03-14-2010, 12:11 AM
sonny sonny is offline
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I just had this problem a little bit ago.
Take one of your very thin feeler gauges, maybe 0.001" or so. Wrap it around the lead slug and measure it, then subtract TWICE the thickness of feeler gauge. I've done it using several thicknesses of feeler gauges and got the same groove dimension. Yeah, it works well. Just don't try to use a real thick feeler gauge.
Sonny
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