evanshaw Posted April 16, 2005 Share Posted April 16, 2005 This may sound silly to some of you, but please put up with my ignorance! OK, as far as I know so far the UK brake spec is 4 pot at fron and 2 pot at rear whilst the Jspec is 2 pot at front and single pot at rear! So if I was to buy the UK front 4 pot brakes to put on my Jspec, can the original fronts go onto the rear or are the mountings completely different? I know youre all gonna laugh, but I had to ask!!!!! Quote Link to comment Share on other sites More sharing options...
dude Posted April 16, 2005 Share Posted April 16, 2005 completly different dude , nice try though , i once put 2 sets of calipers on each disc of a Dolly sprint and changed the master cylinder !!!! Dude Quote Link to comment Share on other sites More sharing options...
Guest Irish Supra Posted April 16, 2005 Share Posted April 16, 2005 Could some adapters be made up on a CNC machine? Quote Link to comment Share on other sites More sharing options...
geoffvalenti Posted April 16, 2005 Share Posted April 16, 2005 I'm sure that with unlimited time and resources they could be *made* to fit. I'm also sure, that it would be cheaper sourcing a set of 2nd hand UK rear calipers Quote Link to comment Share on other sites More sharing options...
Jspec Germany Posted October 5, 2005 Share Posted October 5, 2005 This may sound silly to some of you, but please put up with my ignorance! OK, as far as I know so far the UK brake spec is 4 pot at fron and 2 pot at rear whilst the Jspec is 2 pot at front and single pot at rear! So if I was to buy the UK front 4 pot brakes to put on my Jspec, can the original fronts go onto the rear or are the mountings completely different? I know youre all gonna laugh, but I had to ask!!!!! Damn, I was going to attempt the same move. I'm swapping to U.S. fronts as soon as I have braided lines, which I'm looking for now. What are the differences as far as the rear brakes other than the bigger calipers/pads? Is the UK/U.S. rear rotor bigger than the Jspec or can I just swap UK/U.S. rear calipers onto a Jspec rear rotor without problems? Thanks for all the information ahead of time. Quote Link to comment Share on other sites More sharing options...
merckx Posted October 5, 2005 Share Posted October 5, 2005 The mounting points aren't the same. Quote Link to comment Share on other sites More sharing options...
Jspec Germany Posted October 5, 2005 Share Posted October 5, 2005 So the mounting points for the calipers are different and this is why the Jspec front calipers won't fit on Jspec rear rotors? What about just swapping U.K./U.S. rear calipers onto Jspec rear rotors? Does this work, any problems, or do I have to get U.K./U.S. rear rotors too? Quote Link to comment Share on other sites More sharing options...
SimonB Posted October 5, 2005 Share Posted October 5, 2005 The discs are a different size, so no go. Quote Link to comment Share on other sites More sharing options...
Jspec Germany Posted October 5, 2005 Share Posted October 5, 2005 Ok, thanks, looks like I'll have to wait for my next trip back to the U.S. for that purchase then. Is there a big difference between Jspec rears and U.S./U.K. rears? What about pads? Which are all around best? I'm looking for opinions here so fire away. I've heard that CW's fast road pads are pretty decent. I'd be interested to hear about wear vs performance. Quote Link to comment Share on other sites More sharing options...
chilli Posted October 5, 2005 Share Posted October 5, 2005 completly different dude , nice try though , i once put 2 sets of calipers on each disc of a Dolly sprint and changed the master cylinder !!!! Dude hey nice mod! my last car was the Lancia Delta Integrale, but before that I owned a Dolly Sprint with STR91 cams and 2" SUs etc it's a small world, maybe great cars attract the same types of owner... The supra being a "great car" of course! Quote Link to comment Share on other sites More sharing options...
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