captainchaos Posted December 20, 2007 Author Share Posted December 20, 2007 think im gonna give the D2's a try since i can get them for 800 delivered worth a try for that price and fab the fronts on to the rears see if i can equal that out hmm maybe knock a couple sets of brackets off to if it works Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted December 20, 2007 Share Posted December 20, 2007 If you put the front calipers on the rear it'll be hello hedge the first time you touch the brakes, it ain't that simple, oh no, no no Quote Link to comment Share on other sites More sharing options...
captainchaos Posted December 20, 2007 Author Share Posted December 20, 2007 whats the solution then mr brake man? Quote Link to comment Share on other sites More sharing options...
RobSheffield Posted December 20, 2007 Share Posted December 20, 2007 Please dont 'see if it works' mate, been enough accidents recently. I cant believe you are thinking of scrimping on the brakes Quote Link to comment Share on other sites More sharing options...
captainchaos Posted December 20, 2007 Author Share Posted December 20, 2007 or buy a set of larger rears too? Quote Link to comment Share on other sites More sharing options...
captainchaos Posted December 20, 2007 Author Share Posted December 20, 2007 not really scrimping had my eyes of the D2's for a while now seen a few people run them, also got someone looking into the 380mm rotora's for me Quote Link to comment Share on other sites More sharing options...
Mike B Posted December 20, 2007 Share Posted December 20, 2007 aside the bling factor, are you really going to use them? heavy use on big trackdays? why don't you source some uk spec ones and go on holiday with the change Quote Link to comment Share on other sites More sharing options...
garethr Posted December 20, 2007 Share Posted December 20, 2007 Interestingly, the TRD big brake kits (using the Supra 4-pots or the LS430 4-pots) replace the front calipers only. Is that on Jspecs, or are they designed to go alongside the UK/US/Euro spec rears, as they are larger. UK spec is 4 pot front, so I understand, Jspec is only 2, and Jspec rears, only 1 pot. TRD Kits for the Altezza, Chaser, and Aristo using the Supra 4-pot front calipers with the original rear calipers http://trdparts.jp/english/parts_hp-brake.html TRD Kits for the Altezza, Aristo and Supra ("UK" brakes) using the LS monoblock 4-pot front calipers with the original rear calipers http://trdparts.jp/english/parts_monoblock.html As I said, it's interesting that Toyota sell brake kits which upgrade the front only. Quote Link to comment Share on other sites More sharing options...
Chiefgroover Posted December 21, 2007 Share Posted December 21, 2007 aside the bling factor, are you really going to use them? heavy use on big trackdays? why don't you source some uk spec ones and go on holiday with the change As Mike says you only need BBK's IF you use the cars high speed potential. If you do the odd blast up the motorway and a few 1/4 miles a year, you dont need anything beyond UK with TOP class pads. All brake systems are only as good as the pads you use. Quote Link to comment Share on other sites More sharing options...
JamieP Posted December 22, 2007 Share Posted December 22, 2007 Hasn't JamieP used these? D2 was a decent upgrade from the uk's imo but i could still overheat them but maybe that was down to pad choice. i have the AP kit on my EVO and its that good you can feel your eyeballs straining:D Quote Link to comment Share on other sites More sharing options...
Nic Posted December 22, 2007 Share Posted December 22, 2007 If I was fitting a big brake kit, I would go for the Endless Racing 6 pot on the front and 4 pot rears, with Endless CCX pads. http://www.endless-sport.co.jp/brake_caliper/racing_6/index.html Quote Link to comment Share on other sites More sharing options...
dwayne Posted December 22, 2007 Share Posted December 22, 2007 how much is a kit like that nic? Quote Link to comment Share on other sites More sharing options...
Nic Posted December 22, 2007 Share Posted December 22, 2007 how much is a kit like that nic? Details sent Quote Link to comment Share on other sites More sharing options...
Gaz6002 Posted December 22, 2007 Share Posted December 22, 2007 Details sent Any chance you could send to me too? I've currently got Endless CCX on UK spec calipers and love them so would be interested in a full kit. Quote Link to comment Share on other sites More sharing options...
ECK Posted December 22, 2007 Share Posted December 22, 2007 are the ccx pads better than the sss pads? good post chris the info about braking levels and ballance was a damn good point and very well put too;) Quote Link to comment Share on other sites More sharing options...
Chris and Alana Posted December 22, 2007 Share Posted December 22, 2007 Pads help, but jspecs are just to small to dissapate the heat. Please forgive my lack of knowledge here but what makes them to small to dissapate the heat? is it the size of the callipers or the size of the brake pads/disk's etc? Quote Link to comment Share on other sites More sharing options...
edge Posted December 22, 2007 Share Posted December 22, 2007 I can make the J-Specs live on track, but the pad cost is very high, disc wear will be high, and if dust and noise is an issue, you'll hate them Modern pads will allow you to run too small a brake set up, but still not fade. I used to be able to have the plastic tyre valve caps drip onto the paddock as molten plastic, and light my fag off the front discs on my MKIV, ages after coming off the circuit, but they didn't fade, or boil the fluid. Bigger brakes are for sure better, but they are not vital if you wish to persevere with the small set up. What does this involvechris? Would it be more economical to put a UK set on? Quote Link to comment Share on other sites More sharing options...
uzthedentist Posted December 22, 2007 Share Posted December 22, 2007 I think big brake kits are a waste of time and money. the jspec ones are fine with the right pads. lol in what situation? when youre going less that double figures, i had these on my soarer they were bloody awful Quote Link to comment Share on other sites More sharing options...
Chiefgroover Posted December 22, 2007 Share Posted December 22, 2007 CCX IMO are in a different world to SSS Quote Link to comment Share on other sites More sharing options...
uzthedentist Posted December 22, 2007 Share Posted December 22, 2007 If you can afford something like the endless or ap kits id get them for sure over the others. d2 and k sport are cheaper and more than adequate on track (my friend has ksport 330s and that cars stopping power is amazing) and for road use, where most people will use them 90% of the time. Then theres uks which are pretty good, i have project mu 2 piece discs on them, ive used project mu pads and they faded easily, i also tried endless which were better but still fade and now have ebc yellows,they dont fade but take a while to warm up and are dusty. hence the d2s. Ill report onthem when theyre fitted. braking from 70 on j spec pads is serious crap yourself time!! Quote Link to comment Share on other sites More sharing options...
Mike B Posted December 22, 2007 Share Posted December 22, 2007 Please forgive my lack of knowledge here but what makes them to small to dissapate the heat? is it the size of the callipers or the size of the brake pads/disk's etc? It's the disks that dissapate the heat, although a lot goes through conduction too. TBH I whould think that on medium use the heat generated is always less on a big disk than it will be on a smaller disk, just becasue the smaller disk concentrates the energy into a smaller volume.. but the bigger disk will dissapate heat more quickly... Terry had ducting from the nosecome directly onto the surface of the disk on the UK specs that were on my car before the rotoras. I also read up on an elise forum about a kit that will duct the nosecone air into the centre of the disk (very well sealed too) and vent it out through the middle of the disk.. The guy who fitted claimed it helped a lot on track. Quote Link to comment Share on other sites More sharing options...
Chris and Alana Posted December 22, 2007 Share Posted December 22, 2007 Thanks for that I didnt think the UK spec disk's were much bigger than the j-spec's which made me think it may have been the bulk of the calliper through the pad that got rid of the heat (as the UK callipers are much larger) obviously Im wrong Quote Link to comment Share on other sites More sharing options...
Mike B Posted December 23, 2007 Share Posted December 23, 2007 afaik the jspecs are 295 uk is 330, mine are 355 and some are now 380. Quote Link to comment Share on other sites More sharing options...
Carl_S Posted December 23, 2007 Share Posted December 23, 2007 I can make the J-Specs live on track, but the pad cost is very high, disc wear will be high, and if dust and noise is an issue, you'll hate them Modern pads will allow you to run too small a brake set up, but still not fade. I used to be able to have the plastic tyre valve caps drip onto the paddock as molten plastic, and light my fag off the front discs on my MKIV, ages after coming off the circuit, but they didn't fade, or boil the fluid. Bigger brakes are for sure better, but they are not vital if you wish to persevere with the small set up. Just what I thought. With the right fricton material (pads) it can work. Anyway, I still stand by what I said. lol @ the fag lighting. Quote Link to comment Share on other sites More sharing options...
Antnicuk Posted January 4, 2008 Share Posted January 4, 2008 How can i tell if i have uk or j spec rears?, also what pads do you guys recomend for fast road/ mild track day use with BPU's? Quote Link to comment Share on other sites More sharing options...
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