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www.ColoradoClassicBroncos.com - View topic - Brakes and lack thereof
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 Brakes and lack thereof 
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 Brakes and lack thereof
[quote][/quote]The brakes on Drews bronc o have been weak since we installed the new motor. I am wondering if something should be connected here? And if so what?


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[color=#BFFF40]Greg

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Sun Feb 26, 2012 2:18 pm
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Post Re: Brakes and lack thereof
That is the vac port for the power brakes. Mine was plumbed to the large vac port on the front of my Edelbrock carb. Don't know if its "manifold vac" or what, but it needs hooked up to constant vac or you won't have power brakes.

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"America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." – Claire Wolfe
74-AWB 98", ZF5, Atlas4, TGW HP1060 and HP1014 axles, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, York OBA, 4x4x2, custom dash & gauges
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Sun Feb 26, 2012 2:20 pm
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Post Re: Brakes and lack thereof
There should be a hose running from the large white port on the front of the booster to a vacuum source on the intake or carb.


Sun Feb 26, 2012 2:22 pm
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Post Brakes and lack thereof
My booster hose goes to a 90 degree adapter threaded straight into my intake manifold


Sun Feb 26, 2012 2:36 pm
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Post Re: Brakes and lack thereof
Looks like if you pull the vac line from the carb it can be manifold vac or ported vac, you want manifold vac. Ported vac is used for dizzy advance & emissions junk, it doesn't see vac till the throttle is opened, and you want vac all the time, or you won't have power brakes unless you are on the gas (a little counter productive). I was trying to remember stuff from when I installed my carb 15 years ago.

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"America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." – Claire Wolfe
74-AWB 98", ZF5, Atlas4, TGW HP1060 and HP1014 axles, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, York OBA, 4x4x2, custom dash & gauges
72 U15- Explorer Sport-Candyapple Red (1 of 141)


Sun Feb 26, 2012 2:44 pm
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Post Re: Brakes and lack thereof
You guys are good!

vacume hooked up and breaks are stellar! Thanks

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Sun Feb 26, 2012 6:16 pm
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