LS400 calipers install - Page 5 - Lexus IS Forum
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post #61 of 107 (permalink) Old 03-18-2012, 09:47 PM
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Originally Posted by Jerm__ View Post
^speaking from experience?

I'm asking because I've seen people say that you can
TT rotors will not work with the ls caliper setup. Ill post pictures compairing the two

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post #62 of 107 (permalink) Old 03-18-2012, 09:57 PM
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^awesome, thanks for the confirmation +rep
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post #63 of 107 (permalink) Old 03-19-2012, 01:49 AM
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any idea how to take out that electronic cable from the caliper?

Jerm, after tons of research there are couple thread stating they wont fit..
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post #64 of 107 (permalink) Old 03-19-2012, 12:43 PM
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Originally Posted by ZhiuPei View Post
any idea how to take out that electronic cable from the caliper?

Jerm, after tons of research there are couple thread stating they wont fit..
that electronic cable attached to the brake pad is for the pad indicator. It trips a light inside the car on an LS400 when the pad gets low. But since this is an IS300 there is no need to worry about that wire so hack it off!

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post #65 of 107 (permalink) Old 03-19-2012, 01:08 PM
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u mean cut it?
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post #66 of 107 (permalink) Old 03-19-2012, 02:03 PM
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u mean cut it?
Yes cut it

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post #67 of 107 (permalink) Old 03-19-2012, 08:00 PM
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I rebuilt my calipers and painted them and clear coated them. I am using EBC Redstuff with power slot rotors and FIG's RCA kit and TT caliper adapters. This RCA kit looks amazing by the way!



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post #68 of 107 (permalink) Old 03-19-2012, 08:30 PM
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^damn those are sexy Donnie, nice work!
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post #69 of 107 (permalink) Old 03-19-2012, 11:57 PM
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Absolutely awesome job! I was still contemplating on color to go with. On a side note that paint job looks great almost looks powder coated

Why mod, when you can ride STOCK...at 11 psi
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post #70 of 107 (permalink) Old 03-20-2012, 10:04 PM
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leonard, looking forward to hear your input when you line up the spacers. I'll be doing mine as well sometime soon after I get the the calipers powder coated.

Why mod, when you can ride STOCK...at 11 psi
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post #71 of 107 (permalink) Old 04-14-2012, 02:25 PM
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Any update leonard IS300? I just got all my parts in so I'm going to do the install sometime next week!

Why mod, when you can ride STOCK...at 11 psi
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post #72 of 107 (permalink) Old 06-10-2012, 01:21 AM
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Quote:
Originally Posted by leonard_is300 View Post
I rebuilt my calipers and painted them and clear coated them. I am using EBC Redstuff...
Looks like I chose basically an identical setup to you . Just couldn't think of a color that would compliment my car(auburn sky pearl with graphite accents) so settled on the all classic gloss black LOL

anyone ever compare how wide these calipers are vs. OEM IS300? I've got about an inch of clearance between the spokes and the stock caliper, seen one person needing(maybe just wanted??) to go with 30mm spacers ....wondering if that inch will be enough clearance or if I'll still need a spacer

'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 #73 of 107 (permalink) Old 06-10-2012, 08:57 PM
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^^^ I needed a 15mm spacer with my stock wheels, SSR Professor MS1's, and my Koenigs.

I think SSR Comps (if that's what you are running) probably have pretty good caliper clearance since they are a track wheel. And they don't really offer another option for caliper clearance. So you may be ok.
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post #74 of 107 (permalink) Old 06-13-2012, 09:19 PM
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Mike here's some stuff I thought people may find useful from my build thread:

interesting things about the LS400 brake setup:

Since many people seem unsure if they'll need spacers or not here's a measurement from the center of the caliper almost exactly 3"....what you can do is take 3" and place it on the center of the of the OEM caliper to figure out if you'll need spacers or not...luckily looks like my SSR's will clear fine


and of course obligatory weights:
LS400 calipers are SUPER light for an OEM 4 piston caliper...only 8.4lbs


Rotors...Lexus coulda used something lighter 21.8 but still not horrible for a 1 piece rotor:


and I'm trying to find a post that had supra & OEM setup weights listed so you can have a comparison all in one spot

Found it:

NOTE: the supra rotor weight is for a drilled/slotted, my LS400 rotor weight is for a blank, unsure about the OEM sized rotor weight he listed

Quote:
Originally Posted by Spooner View Post

TT calipers = 11lbs
IS calipers = 15lbs

TT rotors = 16lbs
IS rotors = 15lbs

'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; 06-13-2012 at 09:40 PM.
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post #75 of 107 (permalink) Old 06-13-2012, 10:47 PM
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Interesting the LS400 calipers is not much of a difference in weight compared to supra TT caliper but the rotors is way lighter so the overall weight is lighter on the supra TT combo compared to the LS400 combo. Can a slotted/drilled rotor really shave off enough to bring it down lower than the supra TT rotor since the supra TT rotor is slightly bigger than the LS400 rotors?
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