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Lexus IS 500 GSF / RCF Brake upgrade

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Old 03-27-23, 06:08 AM
  #106  
23usb500
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Originally Posted by specONE
Could you share with me wiring diagram of the EPB system on the '23 RCF ?
I want to review it to see how close it is to '21+ IS or 4GS system EPB system...
Way different systems sadly


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Old 03-27-23, 09:42 AM
  #107  
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Originally Posted by 23usb500
Way different systems sadly

Shoot thanks. Looks just like how GSF is setup.
I think we can complete forget about '23 RCF as a solution at all now. (Will be a major retrofit that can be potentially done but not everyone will be willing to)

Last edited by specONE; 03-27-23 at 09:47 AM.
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Old 05-28-23, 03:24 PM
  #108  
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Default Updated Photos

I have posted the updated photos, everything is done.

Last edited by lojackfty; 05-28-23 at 03:29 PM.
Old 06-10-23, 10:01 PM
  #109  
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Finished the wife's 500 today, pictures are on first page below mine.
Old 06-21-23, 04:38 PM
  #110  
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Originally Posted by lojackfty
Finished the wife's 500 today, pictures are on first page below mine.

Just to double check, all is working? that's awesome!
Old 06-22-23, 09:42 AM
  #111  
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Originally Posted by Ay-nako
Just to double check, all is working? that's awesome!
All works fine, i am waiting on my custom built cables for the actuators to plug into so i can clear the error codes, but the brakes work well. Remember there is no solution for the EPB to function.
Old 07-01-23, 12:50 PM
  #112  
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@350phi What ever came out of your R&D on the Tesla/C8 caliper?
Old 07-01-23, 06:19 PM
  #113  
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Originally Posted by Ay-nako
Just to double check, all is working? that's awesome!
mall working
Old 07-26-23, 05:06 PM
  #114  
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got these in today, really excited to get these on(should be this weekend) behind the black bbs wheels they will look so good. I did not get the rears I will wait for a solution to the epb

Old 07-26-23, 05:32 PM
  #115  
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Originally Posted by Tim151
got these in today, really excited to get these on(should be this weekend) behind the black bbs wheels they will look so good. I did not get the rears I will wait for a solution to the epb
what pads did you get? are you going to steel brake lines?
Old 07-26-23, 07:13 PM
  #116  
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Originally Posted by cp2
what pads did you get? are you going to steel brake lines?
I’m just sticking with the stock lines, after reading a lot of the posts on here it dose not seem necessary. I got the factory brakes pads, not trying to do anything aggressive with the brakes.
Old 07-27-23, 12:36 PM
  #117  
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Originally Posted by Tim151
I’m just sticking with the stock lines, after reading a lot of the posts on here it dose not seem necessary. I got the factory brakes pads, not trying to do anything aggressive with the brakes.
RCF OEM Lines or SS braided lines would definitely be a good upgrade. Your brakes will feel a lot firmer. If you ever take the car to the track or get your brakes hot doing some "spirited" driving, you run the risk of bulging a line. Granted it's a very small risk, but for how cheap lines are I would do it just for the firmer pedal.
Old 07-27-23, 01:39 PM
  #118  
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Originally Posted by Tim151
got these in today, really excited to get these on(should be this weekend) behind the black bbs wheels they will look so good. I did not get the rears I will wait for a solution to the epb
Nice!! I got mine (front and rear) a month ago but still haven't installed them. I'll be installing just the fronts as well but I will ceramic coat them first. I got the rears just in case there will be a solution and wanted to match the fronts. lol
Old 07-27-23, 02:19 PM
  #119  
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I forgot to mention, since its related to the brake upgrade. Did anyone figure out the right spare tire to run and clear the fronts? I was looking at RCF/GSF spare but was wondering if there is any other options that can fit in the 2021+ IS.
Old 07-27-23, 05:33 PM
  #120  
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Default Spare

Originally Posted by LA20671
I forgot to mention, since its related to the brake upgrade. Did anyone figure out the right spare tire to run and clear the fronts? I was looking at RCF/GSF spare but was wondering if there is any other options that can fit in the 2021+ IS.
I just bought a spare front BBS rim to use as a spare.
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