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Q&A > General Tech Advice > What to look for when considering disc brake upgrade > Community Forums > Mustang Forum Australia - Mustang Tech

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mikes68
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I have been thinking about doing a front disc brake upgrade for some time and came across this at Kentucky Mustang...

5 lug disc brake upgrade kit

So, what is good, what is bad, what should people be considering if going down this path?


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ozbilt
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Nope, that is a 67 & earlier caliper. Your car ( being a 68 ) should have single piston K/H calipers. Also the spindles will have the smaller tie rods, wheel bearing sizes also change.

No such thing as a "one size fits all" front brake upgrade for a 67 - 70 Mustang.


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mikes68
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ozbilt wrote
Nope, that is a 67 & earlier caliper. Your car ( being a 68 ) should have single piston K/H calipers. Also the spindles will have the smaller tie rods, wheel bearing sizes also change.

No such thing as a "one size fits all" front brake upgrade for a 67 - 70 Mustang.


Buggah! Yet they list it as a 67-70...

So where should I be looking?


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soc123_au
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A cheap easy way of doing it is XF Falcon brakes. Get a pair of XF spindles with the brakes attached and bolt them on. You will also need to change the tie rod end. You can use XF control arms as well as you don't need to grease the upper bushes.


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Shaunp
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Falcon is the easiest for 67 on Mike. I'll post some pics of my car later today, going to bolt the calipers up this morning. You need to consider couple of things, firstly what wheels you want to run as mid XB on have large bearing hubs, so not suitable for stock wheels and some repop Ralley wheels etc. Secondly most falcon stubs are 3/8 taller, not an issue but you have to drop the spring which you will likly be doing anyway. This will alter the camber curve a bit, kind of like a shelby drop, not a bad thing, and lastly long wheel base cars like Fairlanes, wagon etc have the steering arms altered to correct the ackerman due the lond wheel base, you dont want these unless you want to take up drifting, altering the ackerman angle is drifter trick to make them snap out and be more controlable.
I've used XY stubs and original hubs and rotor, not the one piece hub rotor combos, mainly because I had a set in my parts bin but the look more original . I've used XF/XG Alloy Girlock caliipers. They are very light, get rid of the heat & best of all you can buy EBC pads to suit them, Hoses you can use standard 68 mustang hoses as falcon cailper use the same hose. I did get TBS to make some 40mm longer just so they are not tight when the car has the wheels off the ground. Early calipers XY etc are just Grilock made KH like a 68 would have had new. They even have KH in the part number. I'd have some of those here if you wanted it to look correct. Part for the falcon unit are cheap, even EBC pads are only $65. There is a pic with out calipers in my build thread.


Last edited by Shaunp on Sun Nov 04, 2012 3:43 am; edited 2 times in total

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chopmgw
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Ive been considering this for some time now.
A healthy tax return has made it more probable in the near future.
I have been looking at the chokostang kits.
www.chockostangclassic...sions.html about half way down the page.
Apparently this kit will bolt up to my 68 drum spindles with no mods.
I like the simplicity (for a noob) and not having to undo what has already been done.
They have quoted me $1350 delivered to my door with a booster and pedal as well.
Did look at the XF set up but need something original looking that satisfies SA rego requirements.
Anyone used the chokostang kits ?


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Shaunp
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Chop in your case just use early falcon stuff XY looks exactxly the same as 68 mustang KH set up. The stuff you are looking at is not correct for 68 car either. Anyway how does the addoption or NCOP effect you guys in SA now, it may not matter what you fit anymore? If SA has excepted it.

Ill put some pic up later.


Last edited by Shaunp on Sun Nov 04, 2012 3:39 am; edited 1 time in total

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gbx78
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bugger .. i just sold off my front disc brake conversion (with correct spindles) to Bosskraft (sean) only just last week which came off my 67 but the gurus tell me they are from a 68+model. They were rebuilt (new bearings etc). If i told you the price i sold them for compared to those link prices you would be Argh Argh Argh

I was 1 day away from putting them up on the forum

sorry i know not helpfull.. but there are some good 2nd hand bargains out there if your in no rush and dont want to spend a good portion of 1K on new.

good luck!!!


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ozbilt
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Mike's car is a 68, not a 67 so Chop's example (as posted by Shaunp) will work


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gbx78
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ozbilt wrote
Mike's car is a 68, not a 67 so Chop's example (as posted by Shaunp) will work


ohhh .. then what he said *points* .. Very Happy


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Shaunp
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Ok here is my car 67 with XY stubs and Rotors, XF/XG Girlock calipers and brackets. These XF girlocks are the best to use, they very light, you can get EBC pads, the slides have almost no resistance, you can polish them like chrome if thats what you like. They are noramally in good nick and don't need new pistons just a seal kit which is a about $20 for both. I guess they are the ultimate single piston falcon caliper, and exert more force than the later multi spots, due to piston size. Not all XF have Girlocks, some have PBR, Girlocks are best. All falcon calipers will fit any falcon stub from XY-XG as long as you have the macthing braket



XY Girlock KH copies





XB PBR irons I did for Happyone's 68Vert. Happy was really happy after these went on. Wink2


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Nuts
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chopmgw wrote
Ive been considering this for some time now.
A healthy tax return has made it more probable in the near future.
I have been looking at the chokostang kits.
www.chockostangclassic...sions.html about half way down the page.
Apparently this kit will bolt up to my 68 drum spindles with no mods.
I like the simplicity (for a noob) and not having to undo what has already been done.
They have quoted me $1350 delivered to my door with a booster and pedal as well.
Did look at the XF set up but need something original looking that satisfies SA rego requirements.
Anyone used the chokostang kits ?


Michael, regardless of which disc system you use, I would strongly advise you purchase a factory equivalent booster, master and power brake pedal.

These fit without fart arsing around.


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S[_]SPECT
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^^^^ WHAT HE SAID..^^^

Im happy with mine.. but the 'conversion' booster was the biggest @$$ F#$% in the history of an@L fistings.
Mike Im assuming you have to go via an engineer anyways.. but if not.. consider this.. anything other than factory items must go via engineer.. and requires 'approval in principle' from dpi before doing it. Factory items, no engineering or approvals required.

If using falcon gear..
IMO...
XF Calipers and XC stubs.. (provided larger hub is acceptable)
XC stubs are an exact match for the mustang items with the above exception. Tie rods remain stock. geometry remains stock. Any of the other models do fit, but as Shaun said, the geometry is modified.. (in more ways than one.)
If you're replacing any of the suspension items...
XF UCA.. as above (as they are braced)
XY LCA and Castor rods
XC stubs are avail cheap from Super Roo in Armidale, as are the castor rods.
New flexible lines from Perth Brake parts..


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Birchy...
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chopmgw
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Nuts wrote

Michael, regardless of which disc system you use, I would strongly advise you purchase a factory equivalent booster, master and power brake pedal

The $1350 quote included the new brake pedal and booster and master to suit.
They have said everything is a straight swap over.
Im hoping thats the case.
The KH type brakes satisfy rego/club requirements here.

Shaun, while I have no doubt u are offering excellent advice, Im not sure whether I, as a noob, would even contemplate mix and matching falcon parts to suit. Just a bit too daunting for now.
A lot of technical discussion is over my head but some bits do stick now and again.
Which is how I knew I needed another pedal Laughing


I smell oranges !

Michael

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chopmgw
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chopmgw wrote
Nuts wrote

Michael, regardless of which disc system you use, I would strongly advise you purchase a factory equivalent booster, master and power brake pedal

The $1350 quote included the new brake pedal and booster and master to suit.
They have said everything is a straight swap over.
Im hoping thats the case.
The KH type brakes satisfy rego/club requirements here.

Shaun, while I have no doubt u are offering excellent advice, Im not sure whether I, as a noob, would even contemplate mix and matching falcon parts to suit. Just a bit too daunting for now.
A lot of the technical discussion is over my head but some bits do stick now and again.
Which is how I knew I needed another pedal Laughing


I smell oranges !

Michael

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