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Largest Front Rotors


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Which are the largest rotors that will bolt to a 240-280 front hub? Reason I ask is that I spent a good many hours at the JY today, and got to fitting the front calipers from a Jag on a 280. The Calipers bolt on no problem icon_biggrin.gificon_biggrin.gif , but the Jag disk's tophat was too deep. So I looked around for the biggest bolt on type disk I could find, which was from a 82 300Z.So I took off the 280 hub (again!!) and bolted it up, no problem, everything looks ok, but the disk just isn't big enough in diameter. Needs about another 1/2 inch or so to cover the pads.

BTW, the Jag calipers are 4 piston, and fairly light. All I need is a bigger disk to have a beautiful bolt on conversion icon_biggrin.gificon_biggrin.gif

Tim

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Just to reiterate. The calipers were from the front of a jag. I was trying to put them on the front of a Z. I could not find a rotor that had a large enough diameter. The Jag rotor was about an inch larger in diameter than the 82 300ZX rotor that I pulled. The jag rotor was set back too deep, so that once installed on the hub, it would hit the spindle housing before the bearings had seated home.

If I could find a disk that had the fit of the 82 300Zx, but was about an inch larger in diameter, that would be great! icon_eek.gif

Tim

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Hi Tim,

 

Thanks for all the information on the diff conversion.

 

I found this site and I wanted to share it with the group. It's very applicable to your question above about the largest diameter rotor one can fit on their car given physical constraints. This is cool! It gives all the physical dimensions of all the rotors used on cars sold in Australia. Some cars offered/available down below are not available here in the States. But a vast majority (cars) is exported so this company produces replacement rotors. This catalog of replacement rotors lists all the pertinent information such as physical dimensions and whether it's for the front, rear, vented or solid. Now one can go to a wrecking yard with at least a clue on what rotor could possibly work on their project. One still has to go through the catalog but better then hit or miss at the yard.

 

http://www.dba.com.au/home.htm

 

Enjoy,

Danno74Z

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