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06-03-2013, 04:11 PM
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#1 |
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Registered User
Join Date: Oct 2012
Location: new orleans, la.
Posts: 217
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power break booster?
want to add power break booster on my '69 c10 stepside w/sbc auto,looking at adds, differant sizes to choose, 7,8 9" single or duel diap., what will fit without too much trouble and give better breaking over the drum/drum oem, replaced all the breaks and hardware, does ok but like to add the p/booster, engine has good vac at idle, 20" mid teens crusing, have a new m/cylinder for the d/d on now and can that be used with p/booster or have to have new one, this is a great site for info without going thru the try and buy thing over and over.
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06-03-2013, 04:16 PM
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#2 |
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the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: power break booster?
The larger the BRAKE booster the more power assist it will provide.
I exploded a drum without power I don't know how much assist anybody would want, with everything working properly it should be pretty easy to lock up the non power drums. Posted via Mobile Device
__________________
67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck 66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate. 28, model a rpu project, |
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06-03-2013, 04:33 PM
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#3 |
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Registered User
Join Date: Oct 2012
Location: new orleans, la.
Posts: 217
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Re: power break booster?
yes, I know but I think it will add some to resale after it gets painted, just didnt want to buy one that give trouble installating with hood clearance, etc.
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06-03-2013, 04:38 PM
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#4 |
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Registered User
 Join Date: Jul 2012
Location: White Salmon, WA
Posts: 263
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Re: power break booster?
Standard in 11" Single, lots available. Pros and cons with going with smaller dual.
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06-03-2013, 04:55 PM
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#5 |
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Registered User
Join Date: Oct 2012
Location: new orleans, la.
Posts: 217
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Re: power break booster?
thats why I ask for info. from this site, lot of good info to help not to make a wrong choice, but the smaller unit dual, 8" or 7", what are the pros & cons?
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06-03-2013, 05:12 PM
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#6 |
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Registered User
Join Date: Jul 2012
Location: White Salmon, WA
Posts: 263
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Re: power break booster?
It's my understanding it is a combination of how they work with available vacuum and overall assist. Not just the overall assist. I'd go 9" if I went dual based on my 69 with an 11, though 8" will definetly work. I believe the single plays with my low vacuum (10)better than a dual of equal area so I'm sticking with that (for now). Stock vacuum, then I'd change it for a dual 9" and a tighter looking engine bay.
BTW, drums are always great at locking up, but it's modulation you're looking for out of good brakes. |
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06-03-2013, 05:49 PM
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#7 |
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Registered User
Join Date: Oct 2012
Location: new orleans, la.
Posts: 217
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Re: power break booster?
thanks for the info, at this point I'll more than likely go with the 8", but do you have to go with a larger m/cylinder with the drum set up, not planing to go disc at this time, truck is going to be a driver & weekend show thing, lot of good guys with plenty of old school talk still there,
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