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Ecklers AutoMotive
Username Post: 1955 brake system upgrade        (Topic#343569)
Jon55Belair 
Forum Newbie
Posts: 8

Reg: 03-26-17
03-26-17 11:50 AM - Post#2683430    

I'm going to be upgrading my brake system on my all Original 55 Belair. She is a Sunday cruiser. It has the original drum brake system. My plan is to do a Front Disc conversion kit and rebuild my rear drum brakes (new pads, wheel cylinders, hardware, etc.)
I have a couple of questions,
1st.. Should I go Manual or Power?
(Abt $100 price difference)
2nd.. What Brand should I go with? I'm undecided on what brand of the conversion kit I should get, SSBC or CPP.
Which one is better quality?
I would appreciate everyone's opinions and recommendations.
I'm fully aware this change will not be keeping it "all original", but safety for the family is my main concern.



 
Ecklers AutoMotive
Tri5man 
Valued Contributor
Posts: 3781
Tri5man
Loc: Possums Crotch, KY
Reg: 06-26-07
03-26-17 12:47 PM - Post#2683445    
    In response to Jon55Belair

I'd use a 7" power booster. Aren't CPP products made in China?



 
Jims56chevy 
Frequent Contributor
Posts: 2431
Jims56chevy
Age: 65
Loc: chino valley az
Reg: 11-23-04
03-26-17 01:54 PM - Post#2683457    
    In response to Jon55Belair

  • Jon55Belair Said:
I'm going to be upgrading my brake system on my all Original 55 Belair. She is a Sunday cruiser. It has the original drum brake system. My plan is to do a Front Disc conversion kit and rebuild my rear drum brakes (new pads, wheel cylinders, hardware, etc.)
I have a couple of questions,
1st.. Should I go Manual or Power?
(Abt $100 price difference)
2nd.. What Brand should I go with? I'm undecided on what brand of the conversion kit I should get, SSBC or CPP.
Which one is better quality?
I would appreciate everyone's opinions and recommendations.
I'm fully aware this change will not be keeping it "all original", but safety for the family is my main concern.



Go at least a 8" dual booster.


56 210 2dr


 
Jon55Belair 
Forum Newbie
Posts: 8

Reg: 03-26-17
03-26-17 04:34 PM - Post#2683478    
    In response to Tri5man

Thanks, I'll probably go with SSBC.



 
Shepherd 
Frequent Contributor
Posts: 1788

Loc: Lake George, NY
Reg: 11-11-15
03-26-17 04:35 PM - Post#2683479    
    In response to Jims56chevy

If you presently hsve oe power steering, you cannot fit a power brake booster, it interferes with the ps pump. Also ask if your stock wheels will clear the calipers. Getting ready to do this in my shop, lotta different kits out there, do your home work.



 
Jon55Belair 
Forum Newbie
Posts: 8

Reg: 03-26-17
03-26-17 04:36 PM - Post#2683480    
    In response to Jims56chevy

I appreciate the advice, i'll keep this in mind.



 
Tri5man 
Valued Contributor
Posts: 3781
Tri5man
Loc: Possums Crotch, KY
Reg: 06-26-07
03-26-17 04:36 PM - Post#2683481    
    In response to Shepherd

Go with the 7" power booster. The advice you got about an 8" booster was from someone who hasn't a clue. I always use 7" boosters with no problems along with lots of others. Be careful who you listen to. Obviously this person who told you to use an 8" booster doesn't know what he's talking about. Nuff said.

Gary



 
Jon55Belair 
Forum Newbie
Posts: 8

Reg: 03-26-17
03-26-17 07:02 PM - Post#2683518    
    In response to Shepherd

I don't have power steering so a booster will fit and I believe the calipers will clear. I have 15" stock wheels. I did my homework and I'm undecided with either the SSBC kit or the CPP kit... wanted to see if anyone has experience with these kits.



 
Jon55Belair 
Forum Newbie
Posts: 8

Reg: 03-26-17
03-26-17 07:04 PM - Post#2683520    
    In response to Shepherd

I don't have power steering so a booster will fit and I believe the calipers will clear. I have 15" stock wheels. I did my homework and I'm undecided with either the SSBC kit or the CPP kit... wanted to see if anyone has experience with these kits.



 
Jon55Belair 
Forum Newbie
Posts: 8

Reg: 03-26-17
03-26-17 07:05 PM - Post#2683523    
    In response to Shepherd

I don't have power steering so a booster will fit and I believe the calipers will clear. I have 15" stock wheels. I did my homework and I'm undecided with either the SSBC kit or the CPP kit... wanted to see if anyone has experience with these kits.



 
Jon55Belair 
Forum Newbie
Posts: 8

Reg: 03-26-17
03-26-17 07:10 PM - Post#2683525    
    In response to Tri5man

I was thinking of going with the 7" booster just to make sure I have clearance. Thanks for the advice



 
Tri5man 
Valued Contributor
Posts: 3781
Tri5man
Loc: Possums Crotch, KY
Reg: 06-26-07
03-27-17 12:23 AM - Post#2683563    
    In response to Jon55Belair

Jon55, as we speak there is an open thread on 55 Chevy CT Forums titled MY55 by Rocketman. I suggest you read that thread where Rocketman extolls the virtues of the 7" booster on his power brake conversion. I've built a bunch of Tri 5 through 64 X frame cars and utilized 7" boosters all with good results. It makes for a nice clean easy installation and works like a charm.
Be careful who you listen to giving recommendations on CT threads. You don't always get the best information from the most knowledgeable folks out there. Sure you can make anything fit but sometimes theres a better way to skin a cat. In the case of Tri 5 power discs brake conversions it been done done thousands of times with good results by those in the know.

Gary



 
chevee55 
Contributor
Posts: 463
chevee55
Loc: Oshkosh, WI
Reg: 09-05-03
03-27-17 08:22 PM - Post#2683746    
    In response to Jon55Belair

I went with a dual reservoir MC and no booster - stops fine for me. Definitely safer than the original single line system.

Trevor


 
Bruces 57 
Frequent Contributor
Posts: 2401

Reg: 01-03-07
03-28-17 11:16 AM - Post#2683830    
    In response to chevee55

Hello;
Now for the red headed step child version!
I have a duel 8" booster with duel res. master!
My brakes (disc front & drum rear) will stop so fast that if your butt isn't strapped down you could fly out the windshield!!!!
Down side is: Braking adjustments between the booster, master/system/Pedal are very "touchy"!!
To much, your brakes could "drag" locking the calipers on the disc from heated brake fluid!! Not the right adjustment can give you "not enough pedal" to make the brakes work right!
Bleeding the brakes also becomes a very important part so use of a power bleeder might be necessary.
Also! Make sure you have the proper valveing on the master! (disc/drum) and that the rear drum brakes are adjusted properly!!!(last statement very important!)
Other than that properly installed, adjusted brakes really ad to the safety of driving these cars in modern traffic situations!!
Do your homework!!!! Enjoy your car!!!!!
Just kind of remember that you are installing parts NEVER INTENDED for your car and this modification is just that, a "modification".


Bruce



Edited by Bruces 57 on 03-28-17 11:20 AM. Reason for edit: No reason given.

 
Jims56chevy 
Frequent Contributor
Posts: 2431
Jims56chevy
Age: 65
Loc: chino valley az
Reg: 11-23-04
03-28-17 03:22 PM - Post#2683873    
    In response to Tri5man

  • Tri5man Said:
Go with the 7" power booster. The advice you got about an 8" booster was from someone who hasn't a clue. I always use 7" boosters with no problems along with lots of others. Be careful who you listen to. Obviously this person who told you to use an 8" booster doesn't know what he's talking about. Nuff said.

Gary



Wow
Thanks for letting me know I don't have a clue.
Have a good day.

56 210 2dr


 
55DRIVER 
Poster
Posts: 36

Loc: Chicago burbs
Reg: 11-10-08
03-29-17 05:53 PM - Post#2684097    
    In response to Jims56chevy

Something no one has mentioned is disc conversion kits can offset your wheels from 0" to over 1" on each side. Just something else to consider. Good Luck!



 
Rick_L 
Honored Member
Posts: 27634
Rick_L
Loc: Katy, Tx, USA
Reg: 07-06-00
03-29-17 06:55 PM - Post#2684106    
    In response to 55DRIVER

The only way that a 7" booster is going to work is if you have an engine that has a LOT of vacuum, like a TPI.

If you use a 7" booster, use a 1" bore master cylinder and keep the stock pedal ratio.

Most setups are better served with an 8" dual diaphragm booster.



 
bowtie56jw 
Poster
Posts: 17

Reg: 03-02-09
04-02-17 08:02 PM - Post#2684702    
    In response to Tri5man

  • Tri5man Said:
Jon55, as we speak there is an open thread on 55 Chevy CT Forums titled MY55 by Rocketman. I suggest you read that thread where Rocketman extolls the virtues of the 7" booster on his power brake conversion. I've built a bunch of Tri 5 through 64 X frame cars and utilized 7" boosters all with good results. It makes for a nice clean easy installation and works like a charm.
Be careful who you listen to giving recommendations on CT threads. You don't always get the best information from the most knowledgeable folks out there. Sure you can make anything fit but sometimes theres a better way to skin a cat. In the case of Tri 5 power discs brake conversions it been done done thousands of times with good results by those in the know.

Gary



Very nicely put, you should be the sole person to welcome new members! a truer ambassador to CT ive never known of for sure!



 
YOUNG57 
Frequent Contributor
Posts: 1129

Loc: Tennessee
Reg: 12-06-10
04-05-17 09:17 AM - Post#2685109    
    In response to Rick_L

I don’t understand the mechanics of it all but I had a 1” MC with a PV71 proportioning valve and the braking was not balanced front to rear. I installed an adjustable proportioning valve to help balance it.

At a swap meet I ran into the guy at his Right Stuff booth and talked to him about it. He said a 1” MC and the PV72 proportioning valve are for all four corner disc/disc or drum/drum. But for disc/drum I need a 1-1/8” MC and PV71. So I changed to 1-1/8” MC, (already had a PV71) removed the adjustable proportioning valve and now I have even four corner braking. I can lock up all four radial tires any time I want. Now I have the Right Stuff, sorry about the pun!

I chose an 8” dual diaphragm booster because I have 22” of vacuum and that’s plenty of boost.



 
4dr 57 
Valued Contributor
Posts: 4598
4dr 57
Loc: Texas Hill Country
Reg: 11-10-04
04-12-17 08:02 AM - Post#2686194    
    In response to Jon55Belair

With a Sunday cruiser I would just change out the master cylinder to a two line system.

You can also Change(?) to the 1/2" wider Corvette shoes in front, change the drums to accept metallic type shoes.

I sure would not advise going into the hassle of installing a disc/drum system for a once or twice a week driver.
If you want for go disc go 4 wheel disc. Easier in the long term. Manual-Power, your choice.

It's all good. mostly




 
57tim 
Valued Contributor
Posts: 3055
57tim
Loc: Cameron, Wi, USA
Reg: 11-09-01
04-12-17 11:43 AM - Post#2686241    
    In response to 4dr 57

  • 4dr 57 Said:
With a Sunday cruiser I would just change out the master cylinder to a two line system.

You can also Change(?) to the 1/2" wider Corvette shoes in front, change the drums to accept metallic type shoes.

I sure would not advise going into the hassle of installing a disc/drum system for a once or twice a week driver.
If you want for go disc go 4 wheel disc. Easier in the long term. Manual-Power, your choice.



Depends if he lives in a big town or little. The drivers in big towns will make you #$%@ your pants with none disc brakes. I live in a small town but I sometimes end up at freeway speeds in the Twin Cities and feel much safer with disc brakes. Just my $.02 worth.:toast:


57 Bel Air 2dr Ht
327 700r4
http://www.picturetrail.com/tmneid


Edited by 57tim on 04-12-17 11:51 AM. Reason for edit: No reason given.

 
Jon55Belair 
Forum Newbie
Posts: 8

Reg: 03-26-17
04-12-17 04:02 PM - Post#2686291    
    In response to 57tim

i went with the ssbc power with 8" booster and im rebuilding the rear drums. i should be receiving the parts by monday. and then my 55 is off to the mechanic shop.



 
4dr 57 
Valued Contributor
Posts: 4598
4dr 57
Loc: Texas Hill Country
Reg: 11-10-04
04-12-17 07:13 PM - Post#2686328    
    In response to Jon55Belair

That's Great! Hope all goes well.

At freeway speeds (70-75mph) all bets are off for any stock Tri 5, even with front disc brakes.
These cars were engineered for 55, maybe 60mph tops.


It's all good. mostly




 
57tim 
Valued Contributor
Posts: 3055
57tim
Loc: Cameron, Wi, USA
Reg: 11-09-01
04-13-17 01:36 PM - Post#2686489    
    In response to 4dr 57

  • 4dr 57 Said:
That's Great! Hope all goes well.

At freeway speeds (70-75mph) all bets are off for any stock Tri 5, even with front disc brakes.
These cars were engineered for 55, maybe 60mph tops.




That's true but if you attempt to drive that slow in big cities you will get run over or arrested for obstructing traffic and jack wades will be cutting in front of you or tailgating you making for an unpleasant drive.

57 Bel Air 2dr Ht
327 700r4
http://www.picturetrail.com/tmneid


 
Jims56chevy 
Frequent Contributor
Posts: 2431
Jims56chevy
Age: 65
Loc: chino valley az
Reg: 11-23-04
04-13-17 05:51 PM - Post#2686520    
    In response to 4dr 57

  • 4dr 57 Said:
That's Great! Hope all goes well.

At freeway speeds (70-75mph) all bets are off for any stock Tri 5, even with front disc brakes.
These cars were engineered for 55, maybe 60mph tops.




I don't believe this statement is true, is it?

56 210 2dr


 
4dr 57 
Valued Contributor
Posts: 4598
4dr 57
Loc: Texas Hill Country
Reg: 11-10-04
04-13-17 08:46 PM - Post#2686536    
    In response to Jims56chevy


Yes, I'm pretty sure it is. Oh! I need to revise my freeway speed as of today.
Took the wife to San Antonio today...70-75 mph going there, fine. Coming back it was more like 75-80mph except when traffic was going 85-90.(downhill)
You can take your old heap out there if you want but I sure wouldn't.
I wonder if the AM chassis equipped cars can handle these types of conditions?

It's all good. mostly




 
57tim 
Valued Contributor
Posts: 3055
57tim
Loc: Cameron, Wi, USA
Reg: 11-09-01
04-14-17 06:59 PM - Post#2686670    
    In response to 4dr 57

  • 4dr 57 Said:

Yes, I'm pretty sure it is. Oh! I need to revise my freeway speed as of today.
Took the wife to San Antonio today...70-75 mph going there, fine. Coming back it was more like 75-80mph except when traffic was going 85-90.(downhill)
You can take your old heap out there if you want but I sure wouldn't.
I wonder if the AM chassis equipped cars can handle these types of conditions?



For $15000 I would hope so. I am ok at 70 but wow, 80, no way.

57 Bel Air 2dr Ht
327 700r4
http://www.picturetrail.com/tmneid


 
56Rat 
Poster
Posts: 11

Reg: 06-23-19
07-04-19 10:19 PM - Post#2769963    
    In response to Jims56chevy

I agree with the 8" booster. I previously had a 6 " booster. It would stop the car, but had a slightly hard pedal. A little spooky. Changed to a master cylinder/ 8" booster combo. Now, slight pedal pressure stops you right now. Keeps you comfortable if you have to stop suddenly.



 
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