Mr. Carb Posted May 16, 2004 Share Posted May 16, 2004 Thinking about putting thicker, ea82 disc rooters on to my brat... anything special I might run into or should it be bolt in? Link to comment Share on other sites More sharing options...
Aldoat Posted May 16, 2004 Share Posted May 16, 2004 From what I've read in the past, the EA82 rotors are larger than the EA81. Will cause problems for the calipers. Do a search...might just involve swapping backing plates and calipers. Link to comment Share on other sites More sharing options...
Mr. Carb Posted May 16, 2004 Author Share Posted May 16, 2004 well yeah, I'm implieing that I use the ea82 calipers as well... I'll do a search and see what I find, thanks Link to comment Share on other sites More sharing options...
Mr. Carb Posted May 16, 2004 Author Share Posted May 16, 2004 didn't come up with much in the way of results.... found a thread carfreak started, Wonder if he's had any luck. Anyway anyone else experienced doign that conversion? I hope it's mostly bolt in, cause I heard from austin that the ea81 rooters are so thin that they always easily warp, and mine are warped, and I saw the ea82's vs the ea81's, and I really feel safer if I can to throw the ea82's on there with calipers and new break pads... my breaks are pretty much metal to metal, passenger side is currently eating away at the rivits... driver's side is almost there.:cool: Link to comment Share on other sites More sharing options...
RXTurbo Posted May 16, 2004 Share Posted May 16, 2004 The EA82 rotors and calipers won't fit your car. You need to find the rotors and calipers from an 84 or later EA81 car as these had vented rotors. Link to comment Share on other sites More sharing options...
Mr. Carb Posted May 16, 2004 Author Share Posted May 16, 2004 My car is an 84, has vented rooters, still paper thin.... I've herd of it done, so I find it hard believe it's not possible. *shrugs* Link to comment Share on other sites More sharing options...
GeneralDisorder Posted May 16, 2004 Share Posted May 16, 2004 The axle shafts are different, and the hub's are different depth. You can do it if you swap out the front suspension to an EA82 style. But you have to use the knuckles, lower control arms, and axles from an EA82 (maybe some other stuff??), and weld the correct mounting points to the cross member for the control arms. Miles Fox has done it - I would ask him about it. GD Link to comment Share on other sites More sharing options...
RXTurbo Posted May 16, 2004 Share Posted May 16, 2004 I can tell you for certain that the EA82 type caliper, will not, and cannot, bolt directly onto the EA81 steering knuckle, the bolt spacing is different. The hub however will fit onto the spindle together with the rotor, as the total rotor depth for the EA82 cars is shallower than the EA81 type. You can use the EA82 rotors and calipers providing you get an adaptor plate machined, but that would be expensive. Link to comment Share on other sites More sharing options...
Mr. Carb Posted May 17, 2004 Author Share Posted May 17, 2004 hmmm, ok... Well thanks for the info. Looks like if it's involving that much work, I'm just gonna go find some new ea81 vented rooters... Link to comment Share on other sites More sharing options...
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