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Old 04-17-2011, 07:30 PM   #1
coop34
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Banjo Bolt Size

Does anyone know the banjo bolt size for the driver side of a 79 disc brake setup? Is it common for the two sides to have a different size?

I was having a heck of a time figuring out what calipers the previous owner put on my 70. Since it was a metric fitting, I figured a 79 would work. Well it worked with the passenger side, but the drivers side requires a different size banjo bolt.

Alternatively, does anyone know of a caliper that will work on my 70 and have 10mm banjo bolts on both sides? Ordinarily, I'd just go to the autoparts store and pick up a different size banjo bolt, but nobody seems to have what I need.
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Old 04-17-2011, 08:01 PM   #2
AirSpeed
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Re: Banjo Bolt Size

I recently replaced my front calipers with rebuilt ones, each had a different size bleeder, same thing with the new rear wheel cylinders, it's a pain bleeding the brakes, I have to use three different size wrenches to bleed the brakes.
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Old 04-17-2011, 08:26 PM   #3
cdowns
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Re: Banjo Bolt Size

GM calipers from 78-88 could have either 10mm or 7/16-20 banjo bolts

speedway motors has a good selection of calipers and hardware
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Old 04-18-2011, 02:35 PM   #4
coop34
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Re: Banjo Bolt Size

Thanks for the input guys.
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