Brake system original or upgrade for a '68 347...

CrisNavarro

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Apr 29, 2020
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Hi guys! What do you think about to install a new upgrated brake system kit or just keep the original one? TIA.
 
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Husky44

10 Year Member
Sep 27, 2006
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Need a lot more info. Original drum fronts, or discs? What wheels are you running? Power or manual? What are you using the car for? What are your goals? What's your budget? Are they working properly now?
 
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CrisNavarro

Active Member
Apr 29, 2020
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Need a lot more info. Original drum fronts, or discs? What wheels are you running? Power or manual? What are you using the car for? What are your goals? What's your budget? Are they working properly now?
You are right, I didn't give the complete info!
302 stroker to 347, (cylinder heads, carburator and camshafts to define). Tremec '95+8.8' 3.73 Mountanieer, front disc, rear drum+ discs. Cragar style 15" rims.
I am going to use my car only like a street warrior, just for fun, no track, no turbo, no supercharguer, no problems... ;)
Is a '68 actually in the body workshop for the restaoration process, in the firewall I need to know wich are the original size holes for the booster and brake pump. Because I think that my Mustang had another brake system, like you can see in this picture.
IMG-20211118-WA0020.jpg
 

Husky44

10 Year Member
Sep 27, 2006
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I see these rotisseries and I'm so damn jealous. Makes me want to build another one.

The 15" rims will definitely be a significant factor. The good news is that for your intended purpose, factory discs, or a low end aftermarket kit should be plenty. I would encourage braided flex lines and good quality rotors and pads, but there's no real reason to go for a high end aftermarket kit. Your street warrior won't see the heat cycles to justify the performance of bigger brakes, and Cragars don't show enough to justify the bling of aftermarket calipers (and wouldn't fit a BBK anyway). A stock MC should be fine. No idea what those measurements are to fix your firewall.
 
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CrisNavarro

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Apr 29, 2020
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I see these rotisseries and I'm so damn jealous. Makes me want to build another one.

The 15" rims will definitely be a significant factor. The good news is that for your intended purpose, factory discs, or a low end aftermarket kit should be plenty. I would encourage braided flex lines and good quality rotors and pads, but there's no real reason to go for a high end aftermarket kit. Your street warrior won't see the heat cycles to justify the performance of bigger brakes, and Cragars don't show enough to justify the bling of aftermarket calipers (and wouldn't fit a BBK anyway). A stock MC should be fine. No idea what those measurements are to fix your firewall.
Thank you so much Husky44!
I am going to find the original brake system, maybe Summitracing?
What means BBK and MC?
TIA
 

7991LXnSHO

wanna catch the space herp
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MC = Master brake Cylinder
BBK = ? It’s the name of a performance part company, one of the first big names to develop Fox Mustang parts. Maybe it’s big brake kit in this context?
The more I think about your question, the more I would want upgraded brakes on a 60’s Mustang. I have a Rocket Olds that the power drums still suck in top shape. The same drums with a manual MC are fine in a compact car, but with the power train upgrades and idiots on cell phones, handling and braking also need upgraded.
 
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CrisNavarro

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MC = Master brake Cylinder
BBK = ? It’s the name of a performance part company, one of the first big names to develop Fox Mustang parts. Maybe it’s big brake kit in this context?
The more I think about your question, the more I would want upgraded brakes on a 60’s Mustang. I have a Rocket Olds that the power drums still suck in top shape. The same drums with a manual MC are fine in a compact car, but with the power train upgrades and idiots on cell phones, handling and braking also need upgraded.
Ok 7991LXnSHO thank you for your comments. I am going to check this BBK.
 

Husky44

10 Year Member
Sep 27, 2006
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Tacoma, WA
Something weird happened on this thread. I posted another reply and it was there for a while, then disappeared.

I used the acronym BBK to mean "big brake kit" forgetting that I was on a site that has a lot of traffic for fox bodies, where it is also a brand. It's shorthand in other car forums to reference kits like Wildwood, Baer, Brembo, etc.

In reference to @7991LXnSHO comments about upgraded brakes--I understood that your car already has front discs (vs drums) and a dual bowl MC. Sounds like your 8.8 will give you rear discs as well. If that's the case, for a street warrior, I don't think you need major upgrades, and you have to watch your wheel clearance for any changes you make in calipers or disc diameter. There's a lot of good, Ines pensive options that are more, than sufficient for your intended use.
 
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7991LXnSHO

wanna catch the space herp
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Sep 1, 2010
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Something weird happened on this thread. I posted another reply and it was there for a while, then disappeared.

I used the acronym BBK to mean "big brake kit" forgetting that I was on a site that has a lot of traffic for fox bodies, where it is also a brand. It's shorthand in other car forums to reference kits like Wildwood, Baer, Brembo, etc.

In reference to @7991LXnSHO comments about upgraded brakes--I understood that your car already has front discs (vs drums) and a dual bowl MC. Sounds like your 8.8 will give you rear discs as well. If that's the case, for a street warrior, I don't think you need major upgrades, and you have to watch your wheel clearance for any changes you make in calipers or disc diameter. There's a lot of good, Ines pensive options that are more, than sufficient for your intended use.
Yes, brakes big enough for an Exploder will have enough friction surface to slow down a street car quickly.