Ultimate 5-lug swap thread - new/updated

AeroCoupe · Nov 28, 2022

I searched this thread and did not see where you mention that there are two different thread pitch banjo bolts on the Cobra and Mach 1 front calipers. If I remember correctly the thread pitches are M10 x 1.00 and M10 x 1.50. I also want to say that 94-2002 are fine thread and somewhere in the 2003 production year they switched to the coarse thread on the Cobras but all the Mach 1's were coarse thread.

Only mention this as it seems to come up in a lot of threads dealing with the swap. This site has a bunch of parts for this swap and the bolting is at the bottom of the page:

disc brake rotors,brake rotors,hawk performance brake pads,brake caliper sets brake drums and brake shoes tools!

We have Hawk brake pads,brake rotors for all makes of cars or trucks. We have supplied the automotive industry with disc brake rotors, hawk performance brake pads,brake caliper sets, brake drums, drilled and slotted rotors and brake shoes for over 30 years.

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Ford Moore · May 20, 2023

Sooooooo can you use the PBR front calipers with Cobra brackets and 13 inch rotors?

Mustang5L5 · May 20, 2023

Ford Moore said:
Sooooooo can you use the PBR front calipers with Cobra brackets and 13 inch rotors?

No. Parts mismatch. Won’t even bolt up, plus the curvature for the GT/v6 PBR is for a smaller diameter rotor

Ford Moore · May 21, 2023

Thank you 5 lug swap guru!

Ford Moore · May 22, 2023

What am I looking at? This is my son's fox. It's getting a 5 lug swap at a buddies shop. We believe this is 03-04 Cobra setup. I had a little trouble trying to measure the rotor on the car but I think it's 13 inches. I thought all the Cobra calipers said Cobra? Anyway my main question is what's the best way (or pretty good just order it kit way) and what's the OEM parts swap master way to connect to the factory hard line. The OEM rubber line we have seems kinda short. We have an auto parts store piece of hard line and fitting that fit the body side of the soft line. Ideally I want to be able to swing by the junk yard tomorrow and grab everyones favorite soft lines. Then hit Napa grab a couple fittings and be driving it home tomorrow night. Using whatever is currently installed if not Cobra stuff replace later.

Ford Moore · May 22, 2023

Wish I would have researched this more before dropping it off. I could have made his life much easier with that 7828 adapter.

Mustang5L5 · May 22, 2023

Those are 13” cobra stuff. That looks like an 03/04 Mach 1 caliper, which won’t say cobra. Often, a lot of parts store calipers also don’t say cobra.

For junkyard hoses, 99-04 Mustang lines are all the same so if you can spot a 99-04 v6 the hoses will work. You will need the 7828 adapter on pass side.

Ford Moore · May 22, 2023

You rock!

Ford Moore · May 26, 2023

Turned out great man! I can't wait to finish it up with disc brakes out back. Thanks for all the time and effort you put in to this!

Noobz347 · May 26, 2023

Mustang5L5 said:
Those are 13” cobra stuff. That looks like an 03/04 Mach 1 caliper, which won’t say cobra. Often, a lot of parts store calipers also don’t say cobra.

For junkyard hoses, 99-04 Mustang lines are all the same so if you can spot a 99-04 v6 the hoses will work. You will need the 7828 adapter on pass side.

86turbostang · Jun 10, 2023

Quick question, I unfortantly went with the SN95 axles and now I am not sure what rims to use. I didnt realize the cobra Rs dont come with the proper backspacing for them.

FastDriver · Jun 10, 2023

@86turbostang you should look into 6.5" BS wheels.

FWIW, SN95 axles are about 3/4" wider on each side. Standard BS for 9" wheels with fox axles is ~6". So, 6 3/4 would be about perfect. 6.5" is more common.

86HO5.0 · Oct 21, 2023

I run SN95 rear axles with 1/4" spacers and S197 (45mm offset) wheels. Also running SN95 front LCA's.

IMO--The stock fox booster works great when paired with 94-98 Cobra brakes (38mm pistons)/MC. The Cobra MC diameter is close enough to stock to retain excellent pedal feel.

qikgts · Jan 13, 2024

For 4 eyed cars, there's another direct fit master cylinder option that I didn't see listed. Forgive me if I missed it somewhere else.

1973 LTD/Ranchero
RAYBESTOS Part # MC36397 Bore Size=1" Number of Ports=2
Primary Outlet Size=9/16x18 Secondary Outlet Size=1/2x20}

Ultimate 5-lug swap thread - new/updated

AeroCoupe

lube between the nut and the face. I know my lubes

disc brake rotors,brake rotors,hawk performance brake pads,brake caliper sets brake drums and brake shoes tools!

Ford Moore

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Mustang5L5

That is…until I whipped out my Bissell

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Ford Moore

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Ultimate 5-lug swap thread - new/updated

lube between the nut and the face. I know my lubes

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That is…until I whipped out my Bissell

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That is…until I whipped out my Bissell

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Stangnet Facilities Maint Tech... Er... Janitor

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I was uncomfortably high & wearing a helmet

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