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Senior Member
Brake size input wanted
I am now at the point of installing brakes and am second guessing myself and would appreciate opinions from the group.
I have the complete kit with IRS and manual brakes. I chose to NOT buy the wilwood upgraded brakes, so I have the GT 11" fronts and the 13" rears, all on 18" halibrands.
I ordered the standard brakes based on the the car being a road cruiser (although with some spirited driving) and little to no expected track time.
I welcome your feedback on 1) performance-wise do you feel this setup will perform well? and 2) will the relatively small and unequal sized rotors look silly in the 18" wheels?
Thanks,
-Jason
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PLATNUM Supporting Member
We used that same set up on a 427 MK4 with no issues. Though it does look different. You could just upgrade the fronts to Wilwood's. See build thread below.
http://thefactoryfiveforum.com/showt...4-build-thread
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Senior Member
The brakes you have will be fine performance wise, especially for a 99% street beast. It's a light vehicle, and they won't be subject to constant heavy use, as a race car would.
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Senior Member
Correct brake size = Big 'uns.
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it really is cosmetic on a street car. My Mkll still has 93 Mustang brakes, 11 inch fronts and 9 inch drums on the back and it stops just fine. The new Coupe I went with Wilwoods stops fine and looks better.
Just remember we like to help you spend $$$
David W
Mkll 4874 built in 2004
Gen 3 coupe #16 registered 2018 painted 2019
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Senior Member
I'll argue that even a street car can't stop too fast. I'll bet your coupe stops in a shorter distance than your MKII. Far from cosmetic if someone pulls out in front of you. One more foot can be one foot too much.
I am a fan of Wilwoods on these cars.
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Senior Member
Originally Posted by
Avalanche325
I'll argue that even a street car can't stop too fast. I'll bet your coupe stops in a shorter distance than your MKII. Far from cosmetic if someone pulls out in front of you. One more foot can be one foot too much.
I am a fan of Wilwoods on these cars.
Brakes are not as much a limiting factor, tire adhesion is. You can have the most massive brakes in the world, and they aren't worth a dime if you have lousy tires.
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Steve >> aka: GoDadGo
What about upgrading to the 13" Cobra/Mach-1 front set up?
That way you can get pads and rotors nearly anywhere.
All Ford Brakes May Be The Easiest Options!
https://lmr.com/item/SVE-2300CB-S/mu...4-c-tek-rotors
Steve
PS:.. Then stuff a Chevy in it to make it go.
Last edited by GoDadGo; 10-22-2019 at 06:37 PM.
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Tool Baron
I have to agree with Rich. I've watched a few brake threads on the forum here lately and just about cringe everytime I hear someone say "you want to lock-up blah, blah, blah brakes first". Really???? I don't want to lock up ANY brakes first or at all. If you're locking brakes, you're no longer braking, you're sliding out of control. Stock brakes are fine, especially with the 2002+ Mustang 2 piston calipers in front. Want more grip? Go for a more aggressive pad, corner-weight the car and learn how to threshold brake.
Frank
__________________________
Factory Five Racing MKIII Super Snake Replica. Cannonball Cobra Drop Trunk Box, Horn Button and other machined Do Dads.
i.e.427 Chromed Full Width Roll Bar with integrated LED Third Brake Light.
I will never forget My Buddy Paul.
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Senior Member
You will be fine. That is almost exactly what I have. In fact my fronts may be just a tad smaller because they have the older single piston calipers.
FFR MkII, 408W, Tremec TKO 500, 2015 IRS, DA QA1s, Forte front bar, APE hardtop.
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Senior Member
Thank you everyone. I am going to stick with what I have. In Michigan, there are many non-driving months each year so plenty of opportunity to upgrade in the future if desired.
-Jason
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Senior Member
Originally Posted by
rich grsc
Brakes are not as much a limiting factor, tire adhesion is. You can have the most massive brakes in the world, and they aren't worth a dime if you have lousy tires.
AMEN, brother!
I am with you 110 %.
I was going to add ...."and you need good tires". But I thought people might be tired of hearing me say it.
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Senior Member
I have to agree with what Frank said above - if you are locked, you are out of control.
That being said, I run the 13", dual piston conversion on the front of my MK-II - no power assist and can stop hard enough to stand the car on it's nose (actually just a figure of speech, made by [old] car guys that want to "express" just how hard it stops).
11.65" in the rear, single piston. Car is corner weighted and I can stand on the pedal and lock all four, but have learned to "throttle" the brakes for maximum grip.
Doc
FFR3712K (MKII) in Lost Wages Nevada.
5.0 w/tubular GT-40 EFI, E303 cam, Custom 4 into 4 headers, T5, 3-Link 3.73 rear. Full F5 tubular suspension. Drop Butt mod, Dash forward mod, custom foot box air vents, custom turn signal system. 13" PBR brakes, Fiero E-Brake mod, Flaming River 18:1 rack w/ F5 bump steer kit on Breeze bushings. 17" Chrome Cobra "R's" w/ 275 fronts and 315 rears. MKIV seats. FORD Royal Blue w/ Arctic White stripes.
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