measurement conversion
What kind of gauge do I use for this measurement .. the air gap should be between 0.010" at the low end and less than 0.060" at the high end. This is a measurement used for the protronix II .. I assume it must be something in inches, the only feeler gauge I have reads like .006mm or .0010mm, so what do I use to measure this situation. Thanks for any answers. Harry Long
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Re: measurement conversion
use two feelers, a .010 should go easliy in the gap. an .060 should not go in, anything between is acceptableBill Clupper #618 -
Re: measurement conversion
If you feeler guages are in metric only then divide by 25.4 for inches.Comment
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Re: measurement conversion
1 mm is .0394 inchesComment
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Re: measurement conversion
I'm just wondering why some vendor was selling .mm feelers gauges in the US.
.010" is .254mm
.060" in 1.524mmComment
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Re: measurement conversion
All conversion concerns aside, having installed a number of Pertronix units, I can say that you will find a wobble in most every distributor. Whether that is due to their pickup or the distributor itself is another speculation, but be aware of it and check the measurement at a number of points during a rotation to ensure you are within the specs all the way around. I have also had to shim each distributor drive gear to bring the measurement as close to the middle of the range as possible.
Last, but not least, make sure you get the gear back on right (dimple to the front with rotor aligned to #1). Don't ask me how I know this. It will work 180* out, but you may have difficulty with VAC interference with the manifold when you are setting your initial timing advance.
Stu FoxComment
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