Danomatic's Update Thread: Modifying the EJ1
HCF Member
Joined: Sep 2006
Posts: 1,132
From: Bethany Beach, DE
i bet haha i really wish i could get some stuff my self but no money haha do you like that idea of like me coming to you guys about doing the buy ins for me...cause i have some more companies if you guys are intersted
Thread Starter
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June 2010 ROTM
Joined: Oct 2006
Posts: 3,284
From: Milwaukee, WI
Well, I finally got around to installing the Integra 4040 proportioning valve and a new 15/16 bore Master Cylinder (from a 91 Civic EX sedan, seriously!)
And holy crap! My brakes are much tighter. I definitely recommend do it! Sorry, no pics. I blame that on the damn Wisconsin winter.
And holy crap! My brakes are much tighter. I definitely recommend do it! Sorry, no pics. I blame that on the damn Wisconsin winter.
Moderator
Joined: May 2007
Posts: 11,417
From: FL
How much does that cost and how long/hard of an install? What's different about the 91 EX sedan master cylinder?
I may consider doing this... though, my brake master cylinder is new. How much help do you think just the proportioning valve would do?
I may consider doing this... though, my brake master cylinder is new. How much help do you think just the proportioning valve would do?
Thread Starter
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June 2010 ROTM
Joined: Oct 2006
Posts: 3,284
From: Milwaukee, WI
The P-valve was $30 off eBay 6 months ago and the MC was $100 from my local auto parts store. The difference between the MC's is the bore. Mine was 7/8 and the new one is 15/16. The larger the bore, the less you have to press on the pedal to get the same amount of braking. The larger MC amplifies overall braking when the P-valve allows stronger braking to the rear discs compared to the stock 3030 P-valve which is set up for drums brakes.
I have an EX so my MC is already pretty darn good at 7/8. The other models (DX, HX...) have 13/16 MC which, so I've been told, can make the pedal feel very spongey after a rear disc swap.
Apparently you can get the 15/16" MC from the 90-91 EX sedan, 91 prelude Si, or 90+ Integra.
OR you can go ***** to the walls change the MC to the Integra 1", but you'd have to replace the booster too.
I have an EX so my MC is already pretty darn good at 7/8. The other models (DX, HX...) have 13/16 MC which, so I've been told, can make the pedal feel very spongey after a rear disc swap.
Apparently you can get the 15/16" MC from the 90-91 EX sedan, 91 prelude Si, or 90+ Integra.
OR you can go ***** to the walls change the MC to the Integra 1", but you'd have to replace the booster too.
Last edited by danomatic93; Dec 9, 2008 at 10:56 PM.