GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

LS400 Brake upgrade

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Old 06-29-17, 03:32 PM
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TheDuecer
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Default LS400 Brake upgrade

What Do I need I know I need to get RCA spacers
is there a difference between the Megan ones and the SAGE ones?
What do I need off the ls400?
Old 06-29-17, 04:48 PM
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firelizard
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https://www.clublexus.com/forums/sus...which-rca.html

Pads, calipers, rotors.
Old 06-29-17, 08:17 PM
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TheDuecer
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Originally Posted by firelizard
no brake lines or hub?
Old 06-30-17, 07:46 AM
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You can reuse the brake line. No need to change hub.

You have to bend/cut the heat shield to make room for the larger rotor.
Old 06-30-17, 08:26 AM
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92blacktt
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I have the rca adapters and a set of calipers if needed.
Old 06-30-17, 09:08 AM
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Do the rear ls400 brakes fit on the gs?
Old 06-30-17, 09:09 AM
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92blacktt
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Originally Posted by TheDuecer
Do the rear ls400 brakes fit on the gs?
yes but its pointless to swap
Old 06-30-17, 11:25 AM
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Originally Posted by 92blacktt
yes but its pointless to swap
  • ​​​​​Why is that?
Old 07-05-17, 07:11 PM
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I ended up getting a buddy with a CNC to make me some RCA's out of aluminium.
I know I need 12x1.25 Bolts grade 12.9 but how long do they have to be and how much torque?
Old 07-05-17, 08:05 PM
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firelizard
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Originally Posted by TheDuecer
  • ​​​​​Why is that?
Because they're not better.

Originally Posted by TheDuecer
I ended up getting a buddy with a CNC to make me some RCA's out of aluminium.
I know I need 12x1.25 Bolts grade 12.9 but how long do they have to be and how much torque?
.. the length of the stock bolt + the thickness of the RCA. Torque for the factory bolts is 83lb-ft.

Last edited by firelizard; 07-05-17 at 08:09 PM.
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