Project Integra DC2: Brake Upgrades and Maintenance for the Street

by Clint Boisdeau

As eager as we are to do big upgrades to Project DC2, a good amount of basic maintenance was required.  Since our goal was to drive the car regularly on the street, we wanted the confidence of knowing we wouldn't be left stranded because of an avoidable failure.  Some of the items on the list of such upgrades were the brakes and wheel bearings.  The pads and rotors on the car were not necessarily in poor shape, but they were of unknown origin and brand.  There were no familiar markings present on the brake pads and the previous owner had no idea either.  We decided to start fresh with brake related parts, since it's the most important safety item on any car. The left rear wheel bearing was making a very audible humming noise so we knew it was on its way out. Erring on the side of caution, we will be replacing all four wheel bearings with new Centric Parts bearings.


The StopTech "Sport Brake Pads" (formally known as the "Street Performance Pads") are a great street and light track duty compound.  For daily driving a sport oriented car and allowing us to hit track days, these should be sufficient in both friction and temperature operating range.  
A matching set of StopTech "Sport Brake Pads" for the rear will be a good bias balance since the OE GSR rear calipers and rotors are rather small.
StopTech Sport slotted rotors were also implemented for a fresh and flat surface start to the brake pad's life.  
The rear StopTech Sport rotors are also slotted, but are of a solid non-vented design like the OE rotors.  
Completing the StopTech "Sport Axle Pack" brake upgrade are stainless braided lines which reduce the softeness in the brake pedal feel. 


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Tuesday, May 03, 2016 3:43 AM
I like that venturi break bleeder.

I'm putting that on my tool wish list for the garage!
Tuesday, May 03, 2016 12:34 PM
You forgot to paint the calipers red (or blue), which is standard procedure for Integra modification. Actually, you can still do it with the calipers mounted, just shoot them with some spray paint, that is how the kids usually do it.

There is something I really like about simple, straightforward maintenance/repairs on these older Japanese cars. I used to look forward to something breaking on my EK civic. I really enjoyed working on it.
Tuesday, May 03, 2016 1:09 PM
Don't forget to put on a master cylinder brace. Have somebody pump on the brakes and watch the movement of the firewall, you will be shocked to see it visibly flex, it is quite dramatic.

You can even fabricate your own MC brace, but I know they're available for purchase.
Tuesday, May 03, 2016 3:58 PM
when you say "also for its DOT 4 moisture durability", you mean the higher wet boiling point, correct? cause in my experience DOT 4 absorbs fluid faster and needs to be flushed/bled more often than DOT 3 fluid.
Mike Kojima
Mike Kojimalink
Tuesday, May 03, 2016 4:19 PM
Not Motul, I have some of the same fluid in one of my racecars for a couple of years! I finally bled it because I thought I should not because I was getting fluid fade.
Tuesday, May 03, 2016 6:04 PM
Really? I had the exact opposite experience specifically with Motul but better results with other DOT 4 fluids
Wednesday, May 04, 2016 12:44 PM
I used those same rotors on my MR2, and unfortunately they warped within a few weeks of street use and maybe an autocross. I did more research and while they are indeed under the parent company of StopTech, the rotors are made in China. I replaced them with EBC slotted rotors made in the UK and have had zero issues since. Maybe I got a bad batch, but I definitely won't be using Centric brakes on a car that sees any kind of performance use at all, and stick with my EBC/Porterfield combo.
Wednesday, May 04, 2016 2:32 PM
Yeah, honestly for a track car you probably should have gotten some NAPA Premium damped iron rotors. You could also go with Brembos.
Wednesday, May 04, 2016 5:29 PM
I used Centric rotors (cheapest ones they had) on my RSX for 6 track days and an autox last year with no issues, didn't even wear all that much... still on the car...
Thursday, May 05, 2016 2:05 PM
Can you provide some more detail on the bed-in procedure?
Jeff Naeyaert
Jeff Naeyaertlink
Friday, July 29, 2016 2:26 AM
hard braking from 60mph to 10 mph... 10 times. brought it in and let it cool down completely. repeated the same procedure again, let it cool and that was it. no parking brake while it was sitting.
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