an alternate method to using a flat screwdriver is to take an old 'church key', grind down the sharp end ~1/8", then "sharpen" the left over tip a bit...

yep, like all 'tech' experts, a grain (or shaker) of salt is req'd. i find that reading as many different takes on the same topic when combined wit...

Actually his formula almost exactly duplicated the BMW spec 0.012" vs 0.0124". the added remark that the BMW min spec should be avoided is what thr...

sure, makes sense. I get not going under the BMW min spec, it was the part of the remark that suggested even the min spec was too tight although the ...

Hi Wobbly, You got to the crux of my question with your file suggestion as to how to keep the ring ends truly parallel. This is what had been esca...

understood. I used that technique to determine the ring gap after honing. The real question is how to keep the 'filed' end perfectly square.