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#2
23-01-2008, 16:06
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Theres more info on club S12 but S14 fronts can be done if you use after market coilovers (I don't think they will work with the standard front strutts)
I'm not 100% sure but are some facelift S13's 5 stud? If so then they could be used also. The rears are more of a chore because you need to use the Z31 rear arms/hubs and they don't come up to often. Stud Pattern converters are an OK so long as you adjust the offset on the new alloys properly, although they don't seem to be the safest option. Changing the front hubs would open up some brake conversions too.
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#3
23-01-2008, 16:52
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Z31 ones are a direct replacement without changing the rear arms
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#5
23-01-2008, 18:25
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Don't need the front struts, just remove the hub. Remove the caliper, undo centre nut and off comes the hub. Simple.
The rear end as well as having the 5 studs also has much thicker vented rear discs. I know coz my mate has a Z31 rear end to do the conversion.
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#6
23-01-2008, 22:56
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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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 Got more soul than a sock with a hole
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#7
24-01-2008, 08:46
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They use s14 front control arms, when doing a 5atud convo (down here for a cheap-o solution
 ), wonder if that would fit s12 (my logic is: if it fits s13, and s13 front c-arms fit s12 it has to fit s12 as well)?And for the back, if i want the vented rotors (and 5stud as a bonus ), can i just swap the hub or do i need the whole control arm, and are the calipers 2pot on that?
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86 Silvia Grand Prix - under reconstructio
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