4 5/8" hole saw for Tach/Speedo options?

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03-12-2013, 02:30 PM

#11

glassdave

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you sure its 4 and 5/8ths? I just did a couple dashes and the Livorsi tach was a tight 4 1/2. Had to clean it up with a piece of 80 but 4 and 5/8ths would have been way to big.

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03-12-2013, 02:35 PM

#12

wieland77

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Quote:

Originally Posted by glassdave

you sure its 4 and 5/8ths? I just did a couple dashes and the Livorsi tach was a tight 4 1/2. Had to clean it up with a piece of 80 but 4 and 5/8ths would have been way to big.

No, i havent started yet. It is a 5" Livorsi gauge that says 4 5/8 cutout. I plan to cut a 4.5 in some scrap and see how tight the gauge is and probably sand/file from there to make it a good fit.

03-12-2013, 02:54 PM

#13

ItsPeanut

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Quote:

Originally Posted by US1 Fountain

If you find the right size saw, do a wood peice 1st. Then clamp that over your panel to keep the saw steady as you go thru the AL. Or use a 4.5 and finish off with a dremel

This is the easiest and safest way to not mess anything up. 3/8 plywood is sufficient and will guard you against hitting anything else. Make sure you pull the pilot bit out and make sure you clamp it down good.