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Original Message
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It'd work, but I prefer drill bits. |
By Dave Shoe - 01/08/2004 8:32:47 AM; IP 216.243.176.34 |
It's not possible to find a 17/64" allen wrench at your local hardware store. Only drill bits offer the needed resolution for a cheap price.
A 1/4" allen wrench would work well as a rough approximation when scouring a salvageyard, but I wouldn't go measuring an entire block and quoting that all gaps turned out to be 16/64" exactly, since you had no way to measure 15/64" or 17/64" using an allen wrench.
You've got to assume that allen wrenches have a step size of 1/32" at best, and even then you'll have no idea if the person even had a set with anything better than 1/16" increments.
I would discount any "drill bit test" with results not printed in 1/64" increments as being inaccurate and clueless, as it suggests the person doing the test was not aware of the resolution requirements of the test, and may have even only tested one cylinder and/or only probed one position in each cylinder. Those that post only in 64th increments would have a fuller understanding of the basic need for resolution communication, and would more likely have performed the test properly.
Not that it really matters. The drill bit test is mainly a crude salvageyard screening test used to determine whether a block sitting out in a junkyard is worthy of being purchased for the possible purpose of being overbored. It's not a decisive test like a sonic mapping is, and the numbers are approximate.
Shoe. |
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