4 wheel disk foxes in here

bcd · Aug 22, 2005

did anyone do the sn95 conversion without changing the booster or master cylinder? i was wondering how it would feel if i just didn't change those. i drove it the other day and the brakes were weak but i figure its cause i havent finished bleeding them. does anyone know if you have to change these items?

MarkFJ40 · Aug 22, 2005

Drum brake master cylinders have a residual valve that keeps pressure in the brake lines. If you try to use that with disc brakes the pads will be dragging all the time.

bcd · Aug 22, 2005

is it in the master cylinder? or is it in the proportioning valve? i have never heard that i was just wondering if you really have to change the master cylinder and booster

Kumm3 · Aug 22, 2005

i did it, and its not the best way to do it

i never thought it was a problem, until i tore out the carpet and sound deadening, and i heard the rear pads just DRAGGING on the disc under a 3/4 panic stop.

spend the money, get it done right, its your safety we are talking about here.

Shakerhood · Aug 22, 2005

Best time to do it is during the conversion anyway, you wont have to bleed the brakes twice!

Mustang5L5 · Aug 22, 2005

Yes, you need the M/C. The booster is a maybe...but do it anyway.

Do it right. No point in converting to disks if you are gonna do it half-assed

HardmanGT · Aug 23, 2005

Mustang5L5 said:
Yes, you need the M/C. The booster is a maybe...but do it anyway.

Do it right. No point in converting to disks if you are gonna do it half-assed

bcd · Aug 23, 2005

Thanks for the imput guys. guess i will try to get the booster and ebrake cables off the 95 this weekend and finish up.

Shakerhood · Aug 23, 2005

bcd said:
Thanks for the imput guys. guess i will try to get the booster and ebrake cables off the 95 this weekend and finish up.

You will need the Ford Motorsports Handbrake Cables.

5LugFoxFanatic · Aug 23, 2005

I have an 86, swapped out the MC for an 85 lincoln towncar and left the booster alone. The pedal is almsot too firm. In the future I may go to SN95 stuff, the booster and MC, but either way, it stops like no ones biz.

9 Deuce GT · Aug 24, 2005

I used a '95 MC with a stock Fox booster. Pedal is firm, but I like it that way. No complaints with the Cobra 13's up front.

281pony · Aug 24, 2005

running cobra brakes here as well. 13" fronts, 11.35" rears. stock mc and booster as far as i know.

pedal is nice and consistant. its not overly firm, its not soft either. i bled my brakes after finding out my rears had never worked. made a world of difference.

car stops really well with it. my rear brakes dont drag either.

Shakerhood · Aug 24, 2005

331Pony said:
running cobra brakes here as well. 13" fronts, 11.35" rears. stock mc and booster as far as i know.

pedal is nice and consistant. its not overly firm, its not soft either. i bled my brakes after finding out my rears had never worked. made a world of difference.

car stops really well with it. my rear brakes dont drag either. :shrug

I am curious to know how you pulled off running a STOCK M/C with a SN95 Conversion?

huRACEmentPSR · Aug 24, 2005

i did the full sn95 setup, and i still have my fox m/c and booster, and the car stops amazing. the pedal is a little softer than it was before the conversion, and i do know i need to switch over, but for the time being it seems fine. i need to bleed my brakes just to check it, but like i said...it seems fine, and im not a wuss on my brakes either, i have basically roadraced my car with them and not yet had one problem

Shakerhood · Aug 25, 2005

huRACEmentPSR said:
i did the full sn95 setup, and i still have my fox m/c and booster, and the car stops amazing. the pedal is a little softer than it was before the conversion, and i do know i need to switch over, but for the time being it seems fine. i need to bleed my brakes just to check it, but like i said...it seems fine, and im not a wuss on my brakes either, i have basically roadraced my car with them and not yet had one problem

You did gut the stock prop valve and put an adj prop valve in I hope?

281pony · Aug 25, 2005

Shakerhood said:
I am curious to know how you pulled off running a STOCK M/C with a SN95 Conversion?

i didnt put the front brakes on. its still a stock 3-line mc.

unless ive been imagining my car stopping

bcd · Aug 25, 2005

where do you get the 3 to 2 conversion for the master cylinder???
what part number on the brake cables?

txstang84 · Aug 25, 2005

ck here:

http://mjbobbitt.home.comcast.net/mustang/5lug.html

yeah, you should gut the stock p/v and install an adj one, i'd hate to hear that you lost control of the car due to rear brake lock-up...

i did the 85 lincoln town car m/c swap as well, yeah, the pedal's a little stiff, but i like it just fine. and with 95 fronts and SVO rears, it stops great, i'll still probably upgrade the fronts to cobra's but that's a little ways away.

Shakerhood · Aug 25, 2005

bcd said:
where do you get the 3 to 2 conversion for the master cylinder???
what part number on the brake cables?

Maximum Motorsports makes the best 3-2 conversion kit and its only like $30 or $40.

FMS Brake Cables:

M-2809-A
M-2810-A

Shakerhood · Aug 25, 2005

The Stock M/C and Prop Valve were designed for rear drum brakes! You Guys should at the very least gut the stock prop valve and put an Adjustable one in, for your safety and others!

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