1999-2004 Gt Front Disk Setup On A 95 Gt Mustang

[varunner]

Has anyone done this ? From what I understand the 1999-2004 rotors are 13" OD, 1995 oem are 11" OD. Sounds like a reasonable upgrade if you can get it from a junkyard at a good price.

 

[Chythar]

My understanding is that the 99-04 GT had the same 11" rotors, but had a two-piston caliper instead of our single-piston caliper. The 13" rotor setup is the same for 1994-2004 Cobras, and the New Edge Bullitt and I believe the Mach Ones as well.

 

[varunner]

Gotcha, thanks. I guess there's not that much improvement with a dual piston caliper with the same rotor diameter. I"m looking for more holding power on the starting line at the track. Slim chance to find cobra brakes at the junkyard.

 

[Mustang5L5]

Actually the 99-04 GT calipers are a great upgrade because the dual Pistons spread the calipers force over a greater pad area. You get more bite.

Rotor diameter does help with braking power, but it also helps cool the brakes in a road racing application due to more mass.

Basically, cobra 13" brakes great for road racing, GT 2-piston brakes great for drag racing as smaller diameter rotor takes less power to spin. The calipers will offer good bite in a single hard stop.

Both caliper swaps require a MC change as well. When using the 99-04 2piston GT calipers, you will want to run a 1993 cobra 1" bore MC. It's a direct swap onto 94-95 GTs


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[varunner]

thanks. I'll give the 99GT calipers a try. The pad thickness is the same for 95 and 99GT, so I hope I can use my 95 rotors. Already have the cobra MC

 

[Mustang5L5]

Rotors are interchangeable between the two.


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[varunner]

This is a great upgrade. Cost for calipers and pads from advance auto with 20% off is $115. The pads are much bigger, and there is a weight saving advantage too, new calipers are alum.