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Old Nov 18, 2010 | 08:08 PM
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Default manuel brakes

Hello All ; Just a question here. Guess Ive never had a car with nonpower brakes1 I have a good firm pedal about an inch or so travel completely new brake system thru-out . My question is do you have to depress pretty hard to get a vette to stop or do i hv a problem ???

ANY INPUT IS APPRECIATED
OLEYELLAR72
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Old Nov 18, 2010 | 08:29 PM
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All depends on how fast you are going and how much room you have to stop.....
I learned to drive with manual (not Manuel - a latin name) brakes back in the mid 60s. The first time I drove a car with power brakes I damn near knocked my teeth out on the steering wheel....
Either way takes some getting used to.
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Old Nov 18, 2010 | 08:38 PM
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Originally Posted by oleyellar72
Hello All ; Just a question here. Guess Ive never had a car with nonpower brakes1 I have a good firm pedal about an inch or so travel completely new brake system thru-out . My question is do you have to depress pretty hard to get a vette to stop or do i hv a problem ???

ANY INPUT IS APPRECIATED
OLEYELLAR72
My 72 with manual brakes never has stopped the way I would expect it to stop with with 4 wheel disc brakes even after I replaced everything. I never felt confident that I could stop fast enough if someone in front of me slammed on their brakes. Even if I planted both feet on the pedal!!! I have been told that is the way they are. I have since upgraded to power brakes using the proper master cylinder and Booster that is correct for my 72. I might say that it stops a whole lot better now and has given me some of the confidence back, should have done it a long time ago.
John
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Old Nov 18, 2010 | 08:38 PM
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It probably just seems hard because you never had manual brakes. The inch of travel sounds great.
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Old Nov 18, 2010 | 09:07 PM
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I find on a regular basis when people say they can't stop a manual brake car the master cylinder turns out to be one for a "power" brake car. The master for a standard brake car has a smaller piston than a power brake car-makes a huge difference.
standard piston size is 1"
power piston size is 1 1/8"
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Old Nov 18, 2010 | 09:36 PM
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Ok Thanks all for the reply's and my spelling correction Ha! Ha! Ha! I'll take note of manual spelling and purchase a Funk and Wagnal YOU WERE VERY HELPFUL and WHEN I finish my complete rebuild I'LL DROVE IT LIKE I STOLE IT.... AGAIN THANKYOU
OLEYELLAR72
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Old Nov 18, 2010 | 09:37 PM
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Originally Posted by ...Roger...
I find on a regular basis when people say they can't stop a manual brake car the master cylinder turns out to be one for a "power" brake car. The master for a standard brake car has a smaller piston than a power brake car-makes a huge difference.
standard piston size is 1"
power piston size is 1 1/8"
Those must be the Jose' brakes... (sorry, couldn't resist)

Last edited by MyRed69; Nov 18, 2010 at 09:43 PM.
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Old Nov 18, 2010 | 10:05 PM
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Funk and Wagnall"s. Use "spell check"... it's available everywhere.
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Old Nov 18, 2010 | 10:12 PM
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My BOSS has a '69 LTD 429 fastback that belonged to his father. Four wheel non-power drums. I restored total brake system and car would not stop worth a crap. The guys at work said, Well you must have missed something. I said BS. Went to the salvage yard and got Power system off '69 four door small block LTD. Restored booster and got proper MC. Brakes will now put you through the windshield. No change to drums. Totally different car with power. Moral to story, MANUEL can not compare to POWER. mike...

Last edited by mds3013; Nov 18, 2010 at 11:19 PM.
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Old Nov 18, 2010 | 11:17 PM
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It took a bit of time to get use to manual brakes, but they work great and I don't even think about them any more. I can lock up my wheels without pulling a leg muscle.
Glenn
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Old Nov 19, 2010 | 10:56 AM
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Originally Posted by GD70
It took a bit of time to get use to manual brakes, but they work great and I don't even think about them any more. I can lock up my wheels without pulling a leg muscle.
Glenn
I learned to drive on manual brakes and autcrossed on them (and manual steering). I would have no problem locking them up if I tried. I think you can "feel" them better and it's easier to avoid locking them. Much better feedback.
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Old Nov 19, 2010 | 11:13 AM
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Originally Posted by #s matching 72
My 72 with manual brakes never has stopped the way I would expect it to stop with with 4 wheel disc brakes even after I replaced everything. I never felt confident that I could stop fast enough if someone in front of me slammed on their brakes. Even if I planted both feet on the pedal!!! I have been told that is the way they are. I have since upgraded to power brakes using the proper master cylinder and Booster that is correct for my 72. I might say that it stops a whole lot better now and has given me some of the confidence back, should have done it a long time ago.
John
is that all i have to do is change out the master cylinder and bolt on a power booster?
to have power brakes...I have a 70 vette... brakes do suck and the calipers and pads are new.
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Old Nov 19, 2010 | 11:58 AM
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Manuel brakes were roughly 2/3 `s of the production or invitingly only 1/3 rd. of the Corvettes were ordered with power brakes. So there was a lot of no power Vettes at least in the first few years....
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Old Nov 19, 2010 | 01:55 PM
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My 68 has power brakes and my 70 has manual brakes. It can be interesting going from one to the other.
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Old Nov 19, 2010 | 02:28 PM
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Originally Posted by franchigia
is that all i have to do is change out the master cylinder and bolt on a power booster?
to have power brakes...I have a 70 vette... brakes do suck and the calipers and pads are new.
Re-bleed them. You should have a hard pedal.
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Old Nov 19, 2010 | 03:11 PM
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Originally Posted by franchigia
is that all i have to do is change out the master cylinder and bolt on a power booster?
to have power brakes...I have a 70 vette... brakes do suck and the calipers and pads are new.
I'm afraid not. Your lines probably won't reach, especially the rear line. I suppose you might be able to re-bend them, assuming you are OK with bending 40 year old brake lines. That, and the master for PB has a different sized bore.
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Old Nov 19, 2010 | 03:31 PM
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Buttom Line : If this is your only car, or if all of your cars has manual brakes, then you just have to get used to it and in few weeks you'll feel it to be just fine. If you drive another car with power brakes beside your 'vette, then don't waste anytime and convert it to power brakes before your get involved in an accident, I'm saying that because I, too, was in the same situation and my other car has power brakes and I was involved in a small accident (thanfully the 'vette was unharmed, I was SO lucky!) all because of the manual brakes. Jumping between two cars with different brake pedal efforts will confuse you to the h*ll!

Make no mistake, power brakes will stop your car better, forget about "feeling" the brakes and all that "racing" stuff, you need power brakes to get your car stopped comfortably. The best way is to get a hydroboost kit.
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Old Nov 19, 2010 | 03:45 PM
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Originally Posted by franchigia
is that all i have to do is change out the master cylinder and bolt on a power booster?
to have power brakes...I have a 70 vette... brakes do suck and the calipers and pads are new.
Most of the vendors on this site offer a conversion kit to go from Manual to Power Brakes. it usually has all you need to make the change. As I remember you need to change the Master Cylinder, add the Booster, and the kit includes the two metal brake lines that are different than the Manual Brake lines. These two metal lines are the ones that go from the master cylinder to the distribution / proportioning valve just below the Master Cylinder (They need to be longer and bent different to adapt for the adding of the Booster). If you haven't' changed the rubber brake lines for a while at the 4 Calipers I would change those out at the same time.
Hopes this helps.
John
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Old Nov 19, 2010 | 03:49 PM
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Originally Posted by HamadUP
Buttom Line : If this is your only car, or if all of your cars has manual brakes, then you just have to get used to it and in few weeks you'll feel it to be just fine. If you drive another car with power brakes beside your 'vette, then don't waste anytime and convert it to power brakes before your get involved in an accident, I'm saying that because I, too, was in the same situation and my other car has power brakes and I was involved in a small accident (thanfully the 'vette was unharmed, I was SO lucky!) all because of the manual brakes. Jumping between two cars with different brake pedal efforts will confuse you to the h*ll!

Make no mistake, power brakes will stop your car better, forget about "feeling" the brakes and all that "racing" stuff, you need power brakes to get your car stopped comfortably. The best way is to get a hydroboost kit.
I wholeheartedly disagree with this statement. I would be willing to bet anyone that a properly set up manual system would have no different stopping distance than a properly set-up power system. It would make no difference in how fast the car stops. It has the same rotors, calipers and pads. Now maybe less effort with the power system. I went from power to manual in my 69 and I like the feel of the manual better. I did use the proper master cylinder bore. If someone feels that the power is that much better, then there must be something else going on in the system.

Bill
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Old Nov 19, 2010 | 03:57 PM
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Take the 2 nuts off , swing the master out and measure the bore , you might have an easy fix.
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