Jordan
I was going to sugest the same thing, only I use a 4-1/4" disc grinder with a 50 grit disc. That way the head is polished up, and the traditional grind marks don't appear on the heads.
I only started doing this recently. I had tried to only use the origional BSF bolts, but quickly ran out of the shorter common ones which attach things to the floor. My vehicle came out of Ontario, so it didn't benefit from Manitoba's deep freeze conditions. As well. the previous owner had already changed a lot of the bolts over to NC.
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