Aux. Battery tray hold down thread size?
April 13th, 2009, 5:18 PM
#1
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Aux. Battery tray hold down thread size?
The auxilliary battery tray contrains a threaded hole to which you can bolt a battery hold down bracket to. It lines up perfect with the bracket supplied with Optima batteries. Can someone tell me what thread size it is? I suspect it's metric.
April 13th, 2009, 5:44 PM
#3
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I think you can pick them up at Auto zone or pep boys as a complete assembly the mounting block and the bolt included, probably find it on the isle with the replacement goodies. If I were to take a guess I would have thought 1/4-20
April 13th, 2009, 9:36 PM
#4
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1/4-20 is old school. Just about everything, especially body/chassis, is metric. I hate it. But good excuse to buy more tools. Not to mention stocking up more fastener assortments.
April 16th, 2009, 4:28 PM
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For the record, it took 2 trips to Home Depot to determine that it's a M8x1.25 hole and it's made to clamp the bottom of a BCI Group 34/78 battery.
April 16th, 2009, 10:10 PM
#7
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You go hardin, I was jacking with that a bit this week also, I was trying to check it with a tap and die set I had but my set didn't have all the metric sizes.....
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