CNC Brakes

[Travisfab]

Looking to ditch my booster. What’s a good setup from CNC to work with my stock brakes? What cylinder sizes should I be looking at?

Thanks

[Tchajagos]

Cnc is junk. Don’t waste your money. Why do you want to ditch your stock booster with your stock brakes?

[Travisfab]

Cnc is junk. Don’t waste your money. Why do you want to ditch your stock booster with your stock brakes?

I just don’t want to have to build around it. I’m running a 3.0x14 coilover off the back of the beam.

[AussieRod]

Try something like this, perhaps? I'm sure it could be adapted somehow:
https://www.ebay.com/itm/Power-Brake-Bo ... 3103998777

[arse_sidewards]

Grumman panel vans have a 90deg adapter for the master cylinder. Adapt or copy one.

[Travisfab]

I have no issues with CNC brakes and I am hoping to find the best option for them. My truck will see 90% dirt, no abs, etc.

[hollandermotorsports]

Broncos are very heavy as you probably know. Stock calipers with manual master will require a lot of leg to stop. I would go with a super long pedal.

[hollandermotorsports]

And for whatever it is worth CNC makes great products.

[ItzEnsign]

Since were on the topic of master cylinders, has anyone ran wilwoods master cylinder?
https://www.wilwood.com/MasterCylinders ... 1-13270-BK
About to get a knuckle upgrade and I need a new MC currently since mines leaking out the rear. I don’t want cnc and I don’t want hydroboost. Three friends of mine who all have built broncos, were all having issues with the big breaks not stopping well. But we all have stock MC and stock boosters. Any suggestions besides going hydro boost or electric?


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[SteveG]

Wilson has an electric brake booster... works well. I’m not sure what it’s from, but I’m sure it’s in the giant box of documents that came with it. Paul WIlson could tell you.

[toddz69]

Pretty sure Paul used the ABS Power Brakes electric booster on his Bronco.

http://www.abspowerbrake.com/maincatalo ... et016.html

Todd Z.

[Travisfab]

Ended up going this route -

[Travisfab]

[arse_sidewards]

That's pretty nice. I like that it goes beyond 90deg for maximum space savings. I'm gonna copy that in my Ranger.

[hollandermotorsports]

Since were on the topic of master cylinders, has anyone ran wilwoods master cylinder?
https://www.wilwood.com/MasterCylinders ... 1-13270-BK
About to get a knuckle upgrade and I need a new MC currently since mines leaking out the rear. I don’t want cnc and I don’t want hydroboost. Three friends of mine who all have built broncos, were all having issues with the big breaks not stopping well. But we all have stock MC and stock boosters. Any suggestions besides going hydro boost or electric?


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My old black/ Blue bronco runs stock booster, stock master with 4 piston CNC on all 4 corners and 14" rotors on all 4 corners and that Bronco loaded baja ready with 70 gals of fuel would stock better than my brand new stock diesel when it was stock. We did all hard lines with 10" soft lines only at the suspension and steering pivots. I am in the process of doing the same exact set up on new bronco as time permits. Try to package the largest rotor possible and buy a good set of calipers that do not flex under load and you will love big brakes. Also buy good rotors not cheap ones and make sure the caliper is matched to them width wise. I have had a couple vehicles with dodge rotors come through my shop and the width was .200" off with new pads and had to do a pad spacer in order to get brakes to work better so the pistons were not slid out allowing bind.

[BDKW1]

And for whatever it is worth CNC makes great products.

Not really, they are very low tech, they have not changed anything in 20 years. There tolerances and castings for the MC's leave something to be desired. The calipers are very heavy with a lot of material in the wrong spots.

I wouldn't use CNC MC's if they were given to me. Tilton's are the top choice followed by Wilwood's.