So I've done some researching, and with the help of my mates here at Honda Australia and in the UK I have hard information on the braking system in the DC5R.
TL;DR
- If you're upgrading to JDM Brembo calipers, you will need to change your proportioning valve to any JDM 01-06 DC5R unit (found in USDM 03-07 accord and USDM 03-05 civic si) or you'll ruin your braking performance by always locking the rear brakes first.
- If you don't want mushy brakes, change the brake booster as well to JDM 01-03 DC5R Unit.
- But for ultimate brake feel and performance, there were revisions made to the facelift JDM DC5R 04-06 Brake Booster and Master Cylinder for even greater brake feel, whilst the proportioning valve stayed the same.
Part Numbers directly from Honda
Brake Booster:
01-03 AUDM DC5R: 01469-S6M-Q50
01-03 JDM DC5R: 01469-S6M-J50
04-06 JDM DC5R: 01469-S6M-J80
Master Cylinder:
01-03 AUDM DC5R: 46100-S6M-J52
01-03 JDM DC5R: 46100-S6M-J52
04-06 JDM DC5R: 46100-S6M-J53
Proportioning Valve:
01-03 AUDM DC5R: 46210-S5A-822
01-03 JDM DC5R: 46210-S5A-812
04-06 JDM DC5R: 46210-S5A-812
Hope this help anyone else doing the conversion
TL;DR
- If you're upgrading to JDM Brembo calipers, you will need to change your proportioning valve to any JDM 01-06 DC5R unit (found in USDM 03-07 accord and USDM 03-05 civic si) or you'll ruin your braking performance by always locking the rear brakes first.
- If you don't want mushy brakes, change the brake booster as well to JDM 01-03 DC5R Unit.
- But for ultimate brake feel and performance, there were revisions made to the facelift JDM DC5R 04-06 Brake Booster and Master Cylinder for even greater brake feel, whilst the proportioning valve stayed the same.
Part Numbers directly from Honda
Brake Booster:
01-03 AUDM DC5R: 01469-S6M-Q50
01-03 JDM DC5R: 01469-S6M-J50
04-06 JDM DC5R: 01469-S6M-J80
Master Cylinder:
01-03 AUDM DC5R: 46100-S6M-J52
01-03 JDM DC5R: 46100-S6M-J52
04-06 JDM DC5R: 46100-S6M-J53
Proportioning Valve:
01-03 AUDM DC5R: 46210-S5A-822
01-03 JDM DC5R: 46210-S5A-812
04-06 JDM DC5R: 46210-S5A-812
Hope this help anyone else doing the conversion
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