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front disc brake conversion
#1
so how many have done the front disc brake conversion ?
what is the difference in stopping power ?
is there a good inexpensive kit out there ?
would you do it again 
thank for any thoughts and help !
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#2
(04-22-2018, 11:59 AM)nailpounder Wrote: so how many have done the front disc brake conversion ?
what is the difference in stopping power ?
is there a good inexpensive kit out there ?
would you do it again 
thank for any thoughts and help !

I have.
Huge.
Yes. I opted for SSBC Kelsey-Hayes 4 piston style. Complete kit was around a grand, maybe less, NO need to change spindles with this kit!! That was huge for me.
Absolutely,
You're welcome!
Geoff.
OK, If you need an expanded post on the conversion, I'll be happy to help. I did the whole conversion in less than 3 hours and that was including adding new front brake lines. I'll add that at that time I did not covert to power brakes, did that a couple years later. Stopping was acceptable without the booster.
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#3
I haven't done the conversion but 3 days ago I ordered this power brake conversion kit from Leed Brakes, though I bought mine using their ebay store ($899):

https://leedbrakes.com/i-23438943-power-...iston.html

I asked a few questions before I ordered it:
Calipers and pads are same as 65 - 67 Mustangs, so no problems if future replacements needed.
Booster used is a 70 to 73 Mustang booster and master cylinder. Leed say it will clear the clutch linkages on a manual car (mines a manual).
The brake pedal does need modification though, a half inch hole needs to be drilled in the pedal and the a new connecting pin installed 2 inches below the original. Pin is supplied with the kit and is held on with a nut. Leed say a standard power brake pedal will work perfectly if one can be obtained second hand and you can't be bothered with drilling the original.
Have just asked Leed if rotors are specially made for the kit or standard, awaiting their response.

There's an installation instruction pdf for download at the bottom of the linked webpage to read so you can see what you're getting into (plus a short video). Noting that the instructions say that holes need to be drilled into the firewall to fit the booster, pretty sure this is not required as the holes are already there.

[Image: 2.jpg]

I'm not sure when I'll be able to book it in for installation, probably sometime in the next month or so, and will report back then on my thoughts. Really looking forward to getting rid of the drums for good!

Brett
[Image: stangprofile3.jpg]
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#4
I did my swap a few years ago. I got a parts car 72 Vert. I swapped everything over from that, all factory stuff that is supposed to be on there. I am really happy with it. I did not add the power booster yet. I have been planning on that for a couple years now just never got around to it. Mine also has disc brakes in the rear. So it stops well even with manual discs.

Kevin

1971 Mach 1
408C Stroker
C4 w/3,000 stall
8.8" Rear w/3.73's
Disc brakes all way around.

[Image: 28ivsix.png]




                                                                                             
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#5
Following up from my previous reply, Leed Brakes responded to say the rotor in the conversion kit is standard 65-67 Mustang rotor with 70-73 wheel bearings. So bottom line is that all the parts in this kit apart from the spindle adapter plate are standard easy to buy anywhere parts. Handy to know for future brake maintenance and parts replacement.

Brett
[Image: stangprofile3.jpg]
  Reply
#6
(04-24-2018, 02:07 AM)Flatback72 Wrote: Following up from my previous reply, Leed Brakes responded to say the rotor in the conversion kit is standard 65-67 Mustang rotor with 70-73 wheel bearings. So bottom line is that all the parts in this kit apart from the spindle adapter plate are standard easy to buy anywhere parts. Handy to know for future brake maintenance and parts replacement.

Good info.... that's a huge plus for that kit!

Kevin

1971 Mach 1
408C Stroker
C4 w/3,000 stall
8.8" Rear w/3.73's
Disc brakes all way around.

[Image: 28ivsix.png]




                                                                                             
  Reply
#7
(04-23-2018, 02:56 AM)Flatback72 Wrote: I haven't done the conversion but 3 days ago I ordered this power brake conversion kit from Leed Brakes, though I bought mine using their ebay store ($899):

https://leedbrakes.com/i-23438943-power-...iston.html

I asked a few questions before I ordered it:
Calipers and pads are same as 65 - 67 Mustangs, so no problems if future replacements needed.
Booster used is a 70 to 73 Mustang booster and master cylinder. Leed say it will clear the clutch linkages on a manual car (mines a manual).
The brake pedal does need modification though, a half inch hole needs to be drilled in the pedal and the a new connecting pin installed 2 inches below the original. Pin is supplied with the kit and is held on with a nut. Leed say a standard power brake pedal will work perfectly if one can be obtained second hand and you can't be bothered with drilling the original.
Have just asked Leed if rotors are specially made for the kit or standard, awaiting their response.

There's an installation instruction pdf for download at the bottom of the linked webpage to read so you can see what you're getting into (plus a short video). Noting that the instructions say that holes need to be drilled into the firewall to fit the booster, pretty sure this is not required as the holes are already there.

[Image: 2.jpg]

I'm not sure when I'll be able to book it in for installation, probably sometime in the next month or so, and will report back then on my thoughts. Really looking forward to getting rid of the drums for good!

That kit looks similar to the SSBC one using Kelsey-Hayes style 4 piston caliper, which is also listed for 65-67 Mustangs. I did not get the booster with mine, so that IS a plus and a very good price too. My discs are slotted and hubs are standard to fit drum brake spindles. I did one side in 1.5 hrs including new brake lines and the drivers side in 45 mins or so.
If you care to do a search, there have been several posts on doing this conversion. There's the easy way and the hard way. Yes those hole will need to be drilled for 3/8" studs, currently threaded  for 3/8 studs, Clear with a 13/32" drill. Also, as you have to change your brake pedal as did I, why not think about upgrading the clutch shaft bearing as well if not already done. Trust me it WILL be worth it. I opted for Mustang Steve's kit, but knowing what I know now and being a machinist, I could easily have got bearings from the local supplier and made my own carriers as I had to modify them anyway to allow for the draft angle on the bracket. Scott Drake also sell a roller bearing kit which may or may not be better. Either way from my own frustration doing the booster installation, pull the steering column and drivers seat. Not hard to do and make working on it WAY easier. Oh! that old cover plate, make sure you drill out the holes and reuse it as there are bosses welded on and are spacers. You will need to cut the bottom part out of course.
Hope that helps and enjoy your new brakes!!
Geoff.
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#8
thanks for the answers and help  guys
  Reply
#9
I'm planning on doing a full 2003/2004 cobra conversion using mustang Steve brackets on my 73. Seems like a pretty easy swap other than finding a factory drum setup which his brackets are based off of.
  Reply
#10
(04-29-2018, 07:59 PM)Mjordan Wrote: I'm planning on doing a full 2003/2004 cobra conversion using mustang Steve brackets on my 73.  Seems like a pretty easy swap other than finding a factory drum setup which his brackets are based off of.

Hello,

I went with the Mustang Steve kit Front Caliper Mounting Kit using 1994-2004 Cobra 13″ Front Brakes

https://www.mustangsteve.com/product/cobra-ft/


Purchased powder coated New calipers - Cobra Front Calipers Red with Cobra

http://www.discbrakesrus.com/make/ford/cobra.htm

Please check out my thread

https://www.7173mustangs.com/thread-cobr...tang+steve



[b] FRONT KIT WITH PADS AND BRACKETS AND THE WORD COBRA ON CALIPER RED RA FRONT KIT WITH PADS AND BRACKETS AND THE WORD COBRA ON CALIPER RED [/b]COBRA FRONT KIT WITH PADS AND BRACKETS AND THE WORD COBRA ON CALIPER RED

Thanks,
mustang7173 Thankyouyellow

"Courage is being scared to death but saddling up anyway" -- John Wayne
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