LS400 calipers install - Page 6 - Lexus IS Forum
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post #76 of 107 (permalink) Old 06-14-2012, 01:24 AM
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That's why I put the "note" , I can't believe drilling maybe 40-50 small holes and slotting would take off 6lbs, however I THINK those supra weights may only be estimates, unless the LS rotor is quite a bit wider/beefier than a TT rotor there's no way a larger drilled/slotted rotor should be 6lbs lighter, hell I thought they'd be dead even or the LS rotor being lighter

EDIT:
so evidently drilled/slotted rotor actually ARE that much lighter than a blank...

found OEM supra weight listings for blanks to be between 21.0 and 23.2lbs for some reason though LS400 rotors seem much more constant 21.7 - 22.0 site to site

searched at autozone, orielly's, pepboys and several ebay listings

found one ebay listing that I forgot to copy/paste of a chicom drilled/slotted rotor that had shipping weight listed as 17(basically agreeing with spooner's weight list)

'01 ASP 17x8 ssr comps 225/45 all around, LS400 bbk, FX-R 3.0 projector retrofit in JDM headlights, Modellista front, c-speed sides/rear, Rigid Bars, Hotchkis sways(stiff), Konis & eibach prokit, PLP intake tube & K&N filter, JIC Ti axleback w/ custom midpipe...more to come ;)

Last edited by broketuner; 06-14-2012 at 02:17 AM.
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post #77 of 107 (permalink) Old 06-17-2012, 10:41 AM
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Now only if FIGS offered two piece Supra Rotors.
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post #78 of 107 (permalink) Old 06-22-2012, 01:25 PM
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Quote:
Originally Posted by Nyke View Post
Now only if FIGS offered two piece Supra Rotors.

LOL I tired to find out about that as soon as I found that supra calipers would work on our cars and he already made 2 piece OEM sized rotors for the is300

My upgrade should be going on next weekend

'01 ASP 17x8 ssr comps 225/45 all around, LS400 bbk, FX-R 3.0 projector retrofit in JDM headlights, Modellista front, c-speed sides/rear, Rigid Bars, Hotchkis sways(stiff), Konis & eibach prokit, PLP intake tube & K&N filter, JIC Ti axleback w/ custom midpipe...more to come ;)
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post #79 of 107 (permalink) Old 06-23-2012, 11:43 PM
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Quote:
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Now only if FIGS offered two piece Supra Rotors.
We did at one time, but demand was low so we did not make anymore.
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post #80 of 107 (permalink) Old 08-06-2012, 03:58 PM
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WHere there ever more than 1 version of the adapters?

When my friend totalled his is300, he gave me his adapters and they were never used. I tried installing them today and no matter how i try and make them seat they dont seem to work. I measured the clearances with a tape measure and they seem to come up about 1/16" short at their maximum distances.

I only ask because i notice all the other adapters have a chrome/polished finish, and mine do not.

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post #81 of 107 (permalink) Old 08-06-2012, 04:08 PM
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^I believe there were.

According to Mike's site, IS300 TT CALIPER BRAKE ADAPTERS V3

The ones currently sold are V3....

After looking at yours and the ones on the site, looks like you'll need to buy the newer ones.
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post #82 of 107 (permalink) Old 08-06-2012, 04:12 PM
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JUst went through the site, and ya... looks like i'm sol.
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post #83 of 107 (permalink) Old 08-06-2012, 04:42 PM
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Quote:
Originally Posted by Nyke View Post
Now only if FIGS offered two piece Supra Rotors.
Project Mu has them but they are stupid expensive. Everyone needs to remember that these calipers are 100% aluminum or some sort of alloy. This will dissipate heat a lot better then the TT calipers will since half of cast iron and the other half is aluminum.

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post #84 of 107 (permalink) Old 08-07-2012, 12:22 AM
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Quote:
Originally Posted by Cal-soy View Post
WHere there ever more than 1 version of the adapters?

When my friend totalled his is300, he gave me his adapters and they were never used. I tried installing them today and no matter how i try and make them seat they dont seem to work. I measured the clearances with a tape measure and they seem to come up about 1/16" short at their maximum distances.

I only ask because i notice all the other adapters have a chrome/polished finish, and mine do not.

Those could be the V1 version as I think I did one run in black oxide finish and eventually moved to stainless, I have forgotten by now its it was almost 8 years ago I think

Is that before or after they were pressed in? Its a very tight fit and the only way to be sure is to get some longer bolts to help line them up when mounting and half press them in with tightening the bolts.
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post #85 of 107 (permalink) Old 08-07-2012, 01:03 PM
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^^^^^^
That's how I installed mine, let the caliper bolts line them up then take it off and finish pressing them in with a press.

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post #86 of 107 (permalink) Old 08-08-2012, 02:26 PM
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I too used the long bolt method to pull them in....seemed most efficient(making sure they were installed true to the holes on the hub.

Can't wait for Friday when I finally get to install them for real ...I was so tempted to try and rush the actual install before work the day I mached them up and installed the adapters lol

'01 ASP 17x8 ssr comps 225/45 all around, LS400 bbk, FX-R 3.0 projector retrofit in JDM headlights, Modellista front, c-speed sides/rear, Rigid Bars, Hotchkis sways(stiff), Konis & eibach prokit, PLP intake tube & K&N filter, JIC Ti axleback w/ custom midpipe...more to come ;)
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post #87 of 107 (permalink) Old 08-08-2012, 05:51 PM
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If leonard said about the ls400 calipers is true then wouldnt the best thing for our cars is to get the ls400 calipers and figs create an adapter to be able to use supra tt rotors on the ls400 calipers on is300? It would be the best of both worlds dont you think lighter more efficient caliper while having the biggest oem rotor available for our is300.
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post #88 of 107 (permalink) Old 08-09-2012, 12:35 AM
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Can someone please make a 2pc rotor for the LS400 calipers


I.E.
DBA 5000 series rotor

'02 MSM IS300TT L-Tuned 6spd.
2002 Lexus IS300TT 759rwhp 606tq @40psi (2004) Sold
'98 Toyota Supra Quicksilver TT 6spd. WOTM Built
'09 GMC Sierra SLT All Terrain/Texas Edition Z71 Black Bear Tuned

Last edited by LexISpooled; 08-09-2012 at 12:49 AM.
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post #89 of 107 (permalink) Old 08-09-2012, 11:02 PM
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Supra rotors will not work with the LS400 caliper, the outer ring will come into contact with the caliper. I have talked to racing brake about a 2 piece rotor for the LS400 caliper and they were set to build one but the market just wasn't there.

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post #90 of 107 (permalink) Old 08-11-2012, 08:12 PM
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we can turn on production of the Supra 2-pcs rotors as well since we have made them before. We would just need 5 people. The LS400 rotors are more development since the ring size is an odd size.
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