Parts List:
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Trailing Arm:
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90-91 CRX Si "Only" Rear Trailing Arm with Rotors and Calipers.
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90-93 Integra "Any Model" Rear Trailing Arm with Rotors, Calipers and E-Brake Cables.
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Valve Proportioner:
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90-93 Integra or 90-91 CRX Si Valve Proportioner. Take it off the same car you get the disc brakes from. I would actually pocket this and not pay for it because it would just get crushed anyways.
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Notes:
..The Trailing Arm must also contain the Control Arms (Upper, Lower and Forward (dubbed Compensator)). Only the Upper arm is the same between the Integra/Civic/and CRX (as far as I remember)...the other two are the same on the CRX and Civic, but a different length on the integra.
..The E-brake cables are only the same length on the Civic HB/Sedan and Integra models. The CRX has a reduced cabin length between the E-brake mount and the raised floorpan in the cabin - about 5~6 inches less and therefore the cable will be too short for a Civic application.
..New Cables cost approximately $105 from Honda...this is how much a CRX Si 90-91 E-Brake cable costed me last time I bought.
..Old E-Brake cables tend to have the vinyl cracked off of them at the bend near the compensator arm and where they enter the cabin. It would be smart to replace the cables to reduce possible binding and make sure that your calipers are actually mechanically releasing.
...When you get the trailing arm, I would also replace the center trailing arm bushing. They are usually cracked and you can move the center link my hand. This is a typically honda bushing failure around 6-7 years in age on all Civic and Integra Models. Energy Suspension makes a polyeurethane Bushing replacement. Sold as a set, I paid $35 for them. I would also at this time replace the lower control arm busings - inner's and outer's. Not sure on the price, should not run much more than another $40. VERY IMPORTANT...the Civic and CRX Center Trailing Arm Bushing is smaller than the Integra Bushing! Make sure you order the bushing for the donor car you pulled the trailing arm off of. Why is the bushing larger...because it reduces rear roll and increases rear-end stability of the heavier, longer-bodied integra. Basically it has a stiffer larger bushing to keep the trailing arm from moving as far up and down. What this will do for you...basically acts like a very minor sway bar upgrade...less vertical movement of the rear suspension.
..The Ebrake lines...DO NOT CUT the donor trailing arms e-brake lines. This is the line you will need to connect to your civic. All the CRX/Civic/Integra connect at the same point...just the lengths and connecting points of the lines on the trailing arms are different between Disc Brake and Drum brake. It is only recommended to get new line if the ones you are getting are cracking or if they appear to be in need of being replaced. Otherwise don't worry. However I recommend the Neuspeed Brake lines (yellow vinyl covering) or the Goodrich Lines (clear vinyl covering) for a replacement.
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I could go into the removing and installation...however this is kind of a given and very easy to figure out.
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But removing the exhuast heat shields on the donor car and loosening the tank straps is required - very easy. Removing the e-brake cover in the cabin and pulling up the carpet just a tad or cutting through it for a 5 inches in length to make it easier to pull cables. Removing the muffler section, dropping down the front B-pipe of the exhuast just to get it out of the way. That's about everything needed to facilitate the removal and installation.


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