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More rear dics questions

Discussion in 'Wheels / Suspension / Tires / Brakes' started by intenseneal, Jan 1, 2011.

  1. intenseneal

    intenseneal New Member

    Likes Received:
    Apr 10, 2009
    I want to do the rear disc conversion on my 98 Civic Hx. I will be getting a 94 Del Sol Si as a donor car for all the parts. I know I need to just swap out the complete rear trailing arms, e brake cable and brake lines. I am not sure on the master cylinder, booster and proportioning valve. I checked the Honda part numbers and found; 98 Hx and 99 Si use same proportioning valve and master cylinder and booster. So then does that mean I dont need to swap the master and proportioning valve cause the Si has rear discs and uses the the same master, booster and proportioning valve as the HX??? I also checked the Del Sol parts and the Del Sol S and Si share the same master, booster and proportioning valve. The S is rear drum and the Si is rear disc. Now the Del Sol Vtec has a different master, booster and proportioning valve but has the same rear discs as the Si. Strange. Seems to me like I can just swap the trailing arms and not worry about the hydraulic side of things. Please help.
  2. Cape Customs

    Cape Customs New Member

    Likes Received:
    Jan 1, 2011
    i have done plenty of these swaps and never had a problem with not changing anything from the hydraulic side they work great with the factory parts. i would not worry bout that
  3. B16

    B16 Super Moderator VIP

    Likes Received:
    Sep 30, 2002
    yay area, CA
    Agreed. I did a rear disc swap on a 96 DX and left my prop valve, booster and MC alone. Was just fine.
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