Re: 30% More Powerful-New 1/2T Power Brake Sys
 

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Re: 30% More Powerful-New 1/2T Power Brake Sys
 

Hi, I’m interested in this for a ‘68 GMC long-bed with drums all around.
Do you still have them available?
Thanks…

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

Forgot to mention it is a 1/2 ton…

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

I was wondering if you sell just the booster? I'm looking to replace a failed stock booster on my 67 1/2 ton and the smaller double diaphragm booster would be nice.

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

What size is the booster and the master cylinder's bore diameter? And the system is 30% better than what? I assume that's relative to some of the aftermarket kits that don't properly size the master cylinder and booster.

I ask because my 69's stock 71-72 master cylinder, booster, and disc/drum brakes will just about put me through the windshield!

That said, the factory did a much better job than the aftermarket does today. Way too many improperly sized boosters and master cylinders, and "one size fits all" fixed-pressure proportional valves used by default. I like that yours was designed specifically for our trucks, and fits without mods.

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

The dual 9" booster answers my question! That's a good way to go. Funny that some kits have dual 7" or even a single 8". Downside is you may put some guys through the windshield.;)

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

Sending PM with questions

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

Frank, what is the reference to "MO" above? I see you're in WA, does it reference Mail Order or Missouri? I'm in Missouri and why I'm asking.

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

'2022 PRICES: $375 + $75 S/H/INS =
I split the increases with you.

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

Frank
my 71 has manual MC I want to upgrade to your unit I have a mild cam in my 327 im assuming that should not pose a vacuum problem ? disc /drum
thanks
Jess

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

MP Brakes says you need 18" minimum idle vacuum, but I think that's conservative. That number will vary with caliper and pad type, as well as booster area and vehicle weight.

The kit listed in this thread uses two 9" boosters, which is a lot of diaphragm area! So I'd say 16"-18" should be fine, assuming your calipers, pads, rotors, drums, shoes and hoses are in good shape. Otherwise it's like installing a performance cam and a new carb on a worn-out engine.

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

how does the pedal higheth compare to the manual brakes? i tried swaping to power brakes once and never could get a decent pedal and it sit like 2 inchs lower then the manual setup.

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

I would like to order one for my Jimmy

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

thank you Mikeb much appreciated

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

Tag

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

Sir, are these still available?

Re: 30% More Powerful-New 1/2T Power Brake Sys
 

Are these still available? If so, I will take a complete set-up.
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Re: 30% More Powerful-New 1/2T Power Brake Sys