LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

looking to upgrade brakes

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Old 04-07-06, 08:47 AM
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trukn1
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Default looking to upgrade brakes

Just purchased a set or 18" rims and looking to upgrade to a larger size brake. Is there anything larger that fits a 92LS. Just looking for improved performance over stock brakes. Let me avoid the mistake the everyone makes::

rim dimensions 5X114.3
18 x 7.5
40 mm positive ofset.
anyone with suggestions would greatly help me.
Old 04-07-06, 09:58 AM
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ATSOU
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If u are looking for brake calipers upgrade, u won't be able to fit big calipers behind those wheels u have.
Old 04-07-06, 01:30 PM
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7.5 is too narrow for a BBK, plus you'd need a high disk setup.
Old 04-07-06, 01:48 PM
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Neo
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Originally Posted by trukn1
Let me avoid the mistake the everyone makes::

rim dimensions 5X114.3
18 x 7.5
40 mm positive ofset.
anyone with suggestions would greatly help me.
The first mistake was not to consult here BEFORE buying wheels.

Like the others said, the probability that these wheels will work with larger brakes is almost nil. You might fit larger rotors but the calipers will be the problem. The larger rotors won't help you because they will need to me mated with appropriate calipers.

The best you can hope for now is to get more aggressive brake pads (usually more dust) and SS brake lines. You can also look into drilled and/or slotted rotors if you want to change up the look a little.
Old 04-07-06, 02:20 PM
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trukn1
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appreciate the advice, couldn't pass up the rims since I got them at a great price. was thinking that my choices were nil and that I just mnight have to settle for the current size with maybe a cross drilled and slotted rotor. And I thought that I was doing all of my homework when I bought the rims,, oh well I'll stay after school. Thanks for the advice. can close thread if you want.





PS... consequently, the mistake I was referring to was not providing the thread with the vital stats, dimensions, measurements, etc.. needed in order for you all to offer advice to me. Really appreciate help. Thanks again.

Last edited by trukn1; 04-07-06 at 02:28 PM.
Old 04-07-06, 04:06 PM
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richonenz
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Default 4 spot calipers

Over here in Aus the Nov 94 model went to 4 piston alloy calipers and 315 mm disc's on the front and all behind the standard 16" wheel , you can get remanufactured standard calipers from several auto parts shops in the states for around $70.00 each , I can't say for sure but they would have to fit behind your 18" x 7.5 rims ??
That is the way that I will be going , no need for mega buck Supra TT calipers !!
Old 04-07-06, 09:20 PM
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richonenz
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I forgot to mention that the later model alloy 4 piston calipers and disc's are a bolt on fit , how easy is that !!
Old 04-08-06, 12:47 AM
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Neo
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Originally Posted by rice h8r
well not really. The bigger rotors will help disipate heat better but you can get the stock calipers to fit by finding a "larger rotor" kit that some brake manufacturers [Brembo, AEM, Baer] sell or get custom made caliper brackets made to make them fit onto the bigger calipers.
Well, you can custom almost anything. It is just a matter of cost and testing/risk taking. As for the other kits, do they have them for the LS?
Old 04-08-06, 12:04 PM
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PureDrifter
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i know that rotora has a full setup for the LS as does RMM, those will each set u back at least 1500-2500 tho.
Old 04-08-06, 07:03 PM
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Retrodrive had the first set. 14.1" 6piston setup for the 1st gen LS400
https://www.clublexus.com/forums/sho...hreadid=118793

for the LS430
https://www.clublexus.com/forums/sho...&highlight=BBK

Old 04-09-06, 03:21 PM
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Originally Posted by rice h8r
those look niceee. suprised that rotora makes them since they into sport compacts and imports.
They are hoping there will be enough LS4 modders to make it worth the production.
Even with the Supra brake upgrade, it wouldn't likely clear the wheels.
Old 06-03-06, 07:37 PM
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Phucanese
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im lookin into doing the 2nd gen brake upgrade also. but i want to know if itll fit my wheels
the wheels i got are 18x8.5 with +35 offset. here is a pic:

it only has around 1" if lip... will the brakes fit?
thanks in advance guys
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