Alright i will make this short and sweet.

This is the inside of a supra tt brake caliper (front right)
http://i465.photobucket.com/albums/r...o/DSCN2337.jpg

This is the inside of a ls400 brake caliper (front right)
http://i465.photobucket.com/albums/r...o/DSCN2338.jpg

ls400 (top) v supra tt(bottom) brake pad
http://i465.photobucket.com/albums/r...o/DSCN2339.jpg

notice the difference?

This is the supra tt brake pad (untrimmed) inside the ls400 caliper.
http://i465.photobucket.com/albums/r...o/DSCN2336.jpg


As you can see the supra tt brake pad fits perfectly inside the actual brake caliper but doesnt slide back. You will need to remove 4 downsizing plates for the supra tt pad fit in. Also from looking at the actual pad, the supra tt comes with brake pad wear indications. These will probably stop the pads from sliding in at the bottom. So you might need to dremel then off. Plus you would need to get 2 supra anti-rattle springs.

Now the next question is do supra tt rotors fit? The major difference between the two calipers is that the space between the top of the caliper and where it starts to curve, the angle of curving and the actual orientation of the caliper relative to the rotor.

I measured the space between the top of the caliper and where it starts curving. Turns out the supra tt caliper is actually thicker there. Then i looked at the angle of curve. To me it appears the ls400 would make a greater circle. And finally i looked at the orientation. On the car it appears as if the supra caliper is at 2 o clock while the ls400 caliper is at 3 o clock.

So there is enough clearance inside the caliper for the supra tt rotor. The real question is if the orientation of the caliper allows it to clear or not. Its really a crap shot but luckily i am buying supra tt rotors for my calipers anyways. I'll update that when i get them but if someone else wants to try it, go ahead.

Oh and just encase you guys are wondering. The supra tt brake pad is better then the ls400 pad because its slightly wider and doesn't have the cut out for the pad wear sensor. The supra tt rotor is better because it has directional cooling vents and is slightly larger.

 

wow cant wait for the final conclusion.

 

This could mean alot! More pad options, bigger rotors, etc. Kinda surprised nobody has thought of doing this before.
Silly question maybe, Are the pistons the same size in both calipers

 

looks like im going the same route as well.

gonna go for supra TT rotors and pads, and give them a try on my LS400 calipers.

from what everyone says, the difference is 8.128mm diameter. so worse case scenario, get them laithed 4mm like a drum brake and the supra tt rotors will be the same overal diameter as the LS rotors.

my question is rotor thickness. are they the same?

 

this is so worthless without working pictures...

 

yeahh..you expect us to read?

 

he cant do anything, he was banned.

 

If the supra rotors are bigger in diameter then it will not work so do not bother spending the time and wasting the $$$ to use supra rotors on LS400 calipers. Either you use the supra caliper with supra rotors and ls400 calipers with ls400 rotors or not. Good to know that the pads are the same tho. Compare the thickness between the two pads. If they are the same, why spend more $$$ getting the supra calipers than LS400? I've seen supra calipers go for $400. I got my LS400 for $100 heheheee

Here is my setup.



https://www.clublexus.com/forums/sus...-calipers.html

Another picture! Not sure if you can see. I put a brand new pads and I have pushed the pistons on both sides all the way in flat. If the supra pads are a little bit thicker then you might have a hard time to put them in. I had a hard time just sliding the new LS400 pads in since it has metal shim/plate behind it.

 

i didnt realize he was banned. good riddance. lol.

 

God I miss him haha...always making all these crazy threads

 

so whats the verdict? supra pads can or cant fit in ls400 calipers? Id like to know since they dont make hawks for ls400s...

 

^hahahaha yea

 

I've got some EBC yellowstuff pads for a Supra TT on the way. I'll let you know if I can make them fit.

 

Jay did those yellowstuff fit?

 

The magic question is not wether the pads will work, but why was Reyno banned? :-)