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08-01-2012, 06:21 PM
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#1 |
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Registered User
Join Date: Mar 2005
Location: 10-Uh-See
Posts: 5,609
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Manual vs power brakes?
OK, I'm getting close to finishing up the LS1 swap in my 68. An issue it looks like I'm having is keeping adequate vacuum for the brake booster. I know I can run a vacuum canister, but I'm worried that will start cluttering my engine bay.
I'm thing of switching to one of THESE style manual master cylinders. When I first converted my truck to discs, I still used a manula master cylinder and never had any issues. It had a firm pedal, but nothing too stiff. Other than vacuum assist, is there any pros/cons of one over the other?
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08-02-2012, 01:56 AM
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#2 |
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Registered User
Join Date: Jan 2009
Location: Louisville,Ky
Posts: 5,811
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Re: Manual vs power brakes?
Have you heard of http://www.abspowerbrake.com/ehpm.html
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08-02-2012, 08:51 AM
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#3 |
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Just a car guy
Join Date: Feb 2006
Location: New Washington, IN
Posts: 991
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Re: Manual vs power brakes?
What issue are you having with the manual set up?
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1955 belair Blown Pro Street cruiser 1971 Camaro Pro Touring 1973 Vega Drag Car 1970 C20 tow rig |
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08-02-2012, 12:47 PM
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#4 | |
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Registered User
Join Date: Mar 2005
Location: 10-Uh-See
Posts: 5,609
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Re: Manual vs power brakes?
Quote:
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08-02-2012, 12:25 PM
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#5 |
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Registered User
Join Date: Feb 2009
Location: slurrey, bc.
Posts: 1,134
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Re: Manual vs power brakes?
as long as you have the righter bore master matched to your calipers, and your pedal ratio is right.. there's nothing really that much in the 'con' department.. except for maybe a little longer pedal stroke and a bit firmer pedal too boot, both really just personal preference
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-'73 c/10 - Low with Go - will be complete... probably never. -'90 2wd Blazer - well... soon enough anyways. -'84 SWB - the daily gas guzzler. |
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08-03-2012, 01:38 AM
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#6 |
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Registered User
Join Date: Jan 2009
Location: Louisville,Ky
Posts: 5,811
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Re: Manual vs power brakes?
Did you look at that abspowerbrake link its not cheap but you'll have power brakes with a lot more power to them.
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08-08-2012, 07:27 AM
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#7 |
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Registered User
Join Date: Mar 2005
Location: 10-Uh-See
Posts: 5,609
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Re: Manual vs power brakes?
Yeah, I looked at the abs link. That's a pretty nifty system, but not really exactly what I'm looking for, at least for now, anyway. Thanks for the link, though.
How would I know what bore size I would need? Also, if I went with the Wilwood setup, what would I need to do about proportioning and/or residual valves?
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08-08-2012, 09:11 AM
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#8 |
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Happy to be here
 
Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,021
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Re: Manual vs power brakes?
Most of the guys running Wilwood brakes are running manual masters. You should look in to that as an option.
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Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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08-08-2012, 12:03 PM
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#9 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: Manual vs power brakes?
I"m running front wilwood rear drum with a manual master until my hydroboost is done.
fwiw, I don't think I'd ever consider an electric brake booster. Cuz the last thing I want is another large current draw....especially when a 650+ lift cam idles the engine down. I don't want to say "OOOOH NOOOO BLOWN FUSE NO BRAKES AHHHHHH"....were all gonna die etc.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING  |
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08-09-2012, 01:40 AM
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#10 |
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Registered User
Join Date: Jan 2009
Location: Louisville,Ky
Posts: 5,811
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Re: Manual vs power brakes?
in the event of a failure of the vehicle electrical system. You will have 10-15 full-assist stops.electric brakes is nothing new some new cars have it and electric power steering too.
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08-09-2012, 03:00 AM
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#11 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: Manual vs power brakes?
electric ps I understand.....still wont trust it on brakes.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING |
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08-09-2012, 06:11 AM
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#12 |
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Registered User
Join Date: Aug 2012
Location: error 404 location not found
Posts: 816
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Re: Manual vs power brakes?
My 67 got manual brakes( upgraded to 71 discs) and i drive all over the place such as lebanon, allentown, morgantown, downtown reading, and more. Ive personally dont mind manual brakes but then again im 22 with a crapload of energy lol
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1995 s10 blazer 4.3 1967 c10 350/350 fleet short 1993 s10 blazer 4.3l 4l60 RIP 6/20/14 2000 mercury sable Thats a how I roll |
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08-11-2012, 11:38 PM
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#13 |
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Registered User
Join Date: Jan 2006
Location: Cherry Valley,Ca
Posts: 468
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Re: Manual vs power brakes?
Other than more pedal effort manual brakes are fine, they actually have better pedal feel and feedback. Id say go for it and if you dont like it you can always upgrade to hydroboost later. How much vacuum is the engine making?, you might be surprised how little vacuum a OEM booster will operate at.
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