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#6
23-01-2008, 21:56
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Quote:
Front: If you are staying with s12 style struts you have a couple of options, both of which are from a Z31 turbo: 84-early87 turbo Z31 = 5 stud hubs with behing the hub bolting rotors, probably need the Z31 calipers as well. (I've also seen s14 4 piston calipers used with the matching Z3 rotors, but you need 3-4mm spacers behind each brake pad, as the rotors are 22mm thick and s14's use a 30mm thick rotor). mid 87-88 turbo Z31 hubs, these had full floating rotor hubs where the rotor slips over the front of the hub. With this setup s14 4 piston rotors and brakes fit straight on.(this is what I did on my front) If you are going to s13 coilovers on the front you can buy replacement (aftermarket) hubs for an s13 that are 5 stud, (I'm told the s14 hub won't fit an s13 stub). You can find these hubs on ebay, (US ebay). Rear: Only thing I know to use is Z31 84- early 87 turbo 5 stud 'stub axles'. These are interchangeable with the s12 ones. You undo the bolt at the back of the rear suspension arm,(I used an air ratchet/hammer gun to get them off), spray in heaps of rust penetrating lubricant, wait a few days. Then screw the nut back on flush and get a nice block hammer and pound the f%$ker till the stub axle pops out. Replace with the Z31 5 stud stub axle. Either get your existing rotors redrilled to 5 stud, or use Z31 rotors and calipers, the rotors are a bit wider then your s12 ones. The rear calipers on a Z31 are actually the same as the s12, but have mounting holes further out to accomodate the wider diameter rotors.
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