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Front and Rear disc conversion ?

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Old 10-12-2011, 10:04 PM
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Default Front and Rear disc conversion ?

So I picked up rear disc conversion from an Integra for my 96 CX Hatch, and i know for the rears they bolt up, and i just need brake lines, but I'm curious what ones i buy? I have been told GSR but want to double check.

Also, I am getting a DC front rotor, pad and caliper setup from a 94 LS for my fronts, do I need anything special to put em in? Will the master cylinder still be good?

Thanks
Jared
Old 10-12-2011, 10:10 PM
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Default Re: Front and Rear disc conversion ?

You can use 99-00 Si brake lines.

For the fronts, just elbow grease, and a bigger MC if you want that good pedal feel. Not sure of the CX has the same prop valve as the DX but if so then you could leave it the same. You can also use the 99-00 Si front brake lines for them too!
Old 10-12-2011, 10:37 PM
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Default Re: Front and Rear disc conversion ?

Originally Posted by EL Vap133
You can use 99-00 Si brake lines.

For the fronts, just elbow grease, and a bigger MC if you want that good pedal feel. Not sure of the CX has the same prop valve as the DX but if so then you could leave it the same. You can also use the 99-00 Si front brake lines for them too!
Alright, what Master Cylinder would i need?
Old 10-12-2011, 10:41 PM
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Default Re: Front and Rear disc conversion ?

I used the 99-00 Si Master Cylinder, works perfect because it is not ABS.
Old 10-13-2011, 06:13 AM
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Default Re: Front and Rear disc conversion ?

Originally Posted by jrad4real
Also, I am getting a DC front rotor, pad and caliper setup from a 94 LS for my fronts, do I need anything special to put em in?
Yes, you need the entire steering knuckle to fit 10.3" brakes on a Civic that came with 9.4" brakes. Just get a whole front brake swap from Hmotorsonline. You will still need to replace pads & rotors, but hopfully the wheel bearings, calipers, wheel studs and lower ball joints are in good shape.

If you need lines, you can get stainless one from stoptech for -$50 a pair. They are sold in axle sets so you have to buy front & rear separately. If you get the part number you can search google for "Centric" plus the part number to find them for a lot less. Centric makes all the stoptech stuff.

The proper size master cylinder for Integra front calipers on a non-abs system is 15/16. I don't know if there is a bolt-on option for the EK civics in that size though. The Si/EX non-ABS master cylinder is 7/8 but they have smaller front caliper pistons. You may want to use a 1" master cylinder from an ABS car.

Your CX has the same proportioning valve as the Si w/ rear discs, so don't bother changing that out.
Old 10-13-2011, 07:40 PM
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Default Re: Front and Rear disc conversion ?

Hmm that seems like a LOT more than i want to do for fronts lol.... maybe i will just keep them stock. MY friend said that 94 LS front brakes should work with my stock spindles and such though?
Old 10-13-2011, 07:55 PM
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Default Re: Front and Rear disc conversion ?

Plus i am just getting pads rotors and calipers, NOT a full front conversion
Old 10-13-2011, 08:54 PM
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Default Re: Front and Rear disc conversion ?

google is your friend. crap load of information about disc conversions online.
Old 10-13-2011, 10:35 PM
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Default Re: Front and Rear disc conversion ?

I only found rears.
Old 10-14-2011, 06:13 AM
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Default Re: Front and Rear disc conversion ?

Your only other option is to get an 11" front brake conversion from fast brakes for your stock spindles. They feature type-r calipers and type-r sized rotors. It cost more and screws up your brake bias too (unless you get the big brake kit for the back too).

But yes, Integra spindles are different. Larger front bearings, and different caliper mounting location.
Old 10-14-2011, 06:34 AM
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Default Re: Front and Rear disc conversion ?

I am curious how a proportioning valve for a drum brake is the same as a 40/40 proportioning valve for a disk brake??? If you use a 40/30 your back disc will lock up. You can get a 40/40 in junkyard for 10-15 or eBay for 20-30
Old 10-14-2011, 07:18 AM
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Default Re: Front and Rear disc conversion ?

Originally Posted by speedjunkie_g35
I am curious how a proportioning valve for a drum brake is the same as a 40/40 proportioning valve for a disk brake??? If you use a 40/30 your back disc will lock up. You can get a 40/40 in junkyard for 10-15 or eBay for 20-30
You don't know what your talking about.

- First it's 4040, not 40/40 (it's just a number not a ratio).
- Second, a 4040 DA/DC valve sends MORE pressure to the rear cause a DC is heavier in the rear, making it the most aggressive valve.
- 3rd, were talking about 6th gen EK civics. None of these prop valves are marked and are nothing like an EF/EG/DA/DC valve.
- 4th, it doesn't matter if you understand it or not, Honda uses the same prop valve for all EK hatch backs as they use on the 99-00 Si with rear discs.

These are facts not opinions. There's nothing to argue about.
Old 10-14-2011, 11:16 AM
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Default Re: Front and Rear disc conversion ?

Originally Posted by 94eg!
Your only other option is to get an 11" front brake conversion from fast brakes for your stock spindles. They feature type-r calipers and type-r sized rotors. It cost more and screws up your brake bias too (unless you get the big brake kit for the back too).

.
Wrong. 70% of a cars weight is sent to the front during braking. How does installing bigger stock brakes (up to 1.5 inches larger) screw up brake bias? He's not putting on 8 piston 16 inch StopTechs. I've had this upgrade on two cars with stock rear brakes with ZERO problems. Stop passing on bad information and listen to those that have used these products. I learned A LOT from this website, and subforums.

The Fastbrakes upgrades is a cheap and effective way to decrease braking distances. I'd recommend it to anyone.
Old 10-14-2011, 11:38 AM
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Default Re: Front and Rear disc conversion ?

- the more weight in the back, the more traction in the back (duh), the more work the rear tires can do (even under heavy braking when weight transfers to the front). This is why the 4040 valve is more aggressive than the 3040 valve from the 92-95 Si. Integra is heavier in the back. Again that is fact, and not open to debate. Here are some more facts:

- Larger brakes up front only increase front brake torque. This causes them to lock up even sooner than before. In the meantime, the rear tires are not reaching their maximum potential because they are not at the required fluid pressure to do so (underworked). This is why most cars actual have an increased stopping distance after installing big-brake kits on the front. Any shift forward in brake bias will do this:

- larger front rotors
- smaller rear rotors
- increased front pad friction
- decrease rear pad friction
- larger front calipers
- smaller rear calipers
- adding weight to the back
- taking weight off the front
- lowered ride height
- harder tires (lower deceleration limit)

- It doesn't matter how many pistons you have. You could have 62 pistons and still have less total area than stock. If you increase the moment of inertia (rotor size) and increase the total piston area (larger caliper) you increase the brake torque for that axle.

- Just cause you've installed big brakes on cars in the past, doesn't mean you've actually increased performance. You may have increased fade resistance, but that's about it. lol

- The fast brakes upgrades are cheap. I'd recommend them to anyone who doesn't know what their talking about, or just wants bigger brakes, or plans on using adjustable prop-valves for racing. You could also just buy their big-brakes for the rear as well.
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