changing to power brakes need help!!!!!!!! - The 1947 - Present Chevrolet & GMC Truck Message Board Network

bills68panel · 08-23-2006, 04:22 PM

can anyone tell me what kind of proportion value will work or enter change to work on a 68 panel. I am changing from drums on the front to a new disc brake convertion kit but keeping the drums on the rear? I'm putting power brakes on this thing so i've getting parts as I find them i've already got the brake booster and a new master C. but i'm stuck on this pro. value thing please helpppppppp.

jkaylor68gmc · 08-23-2006, 04:34 PM

There are a variety of companies that sell the replacement part such as Classic performance Products and Brothers. I to was looking for this and couldn't find one at any parts store, the solution is to order one fron these companies, they retail for about 75.00. I know that sounds alot, but, you gotta have it.

RicksTrucks · 08-23-2006, 05:04 PM

The ones that come on 71/72 are made for front disc and back drum.

70c10 · 08-23-2006, 05:07 PM

I just bought one at the junkyard with the bracket and prebent lines for $5. People are always parting trucks on the parts board.

bryanw1968 · 08-23-2006, 05:09 PM

Jegs has their name brand proportioning valve for $34.99.

bills68panel · 08-23-2006, 05:29 PM

thanks guys for all the info

08-23-2006, 04:22 PM	#1
bills68panel Registered User Join Date: Jul 2006 Location: terrell tx. Posts: 67	changing to power brakes need help!!!!!!!! can anyone tell me what kind of proportion value will work or enter change to work on a 68 panel. I am changing from drums on the front to a new disc brake convertion kit but keeping the drums on the rear? I'm putting power brakes on this thing so i've getting parts as I find them i've already got the brake booster and a new master C. but i'm stuck on this pro. value thing please helpppppppp.

08-23-2006, 04:34 PM	#2
jkaylor68gmc Senior Member Join Date: Dec 2005 Location: TN Posts: 2,448	Re: changing to power brakes need help!!!!!!!! There are a variety of companies that sell the replacement part such as Classic performance Products and Brothers. I to was looking for this and couldn't find one at any parts store, the solution is to order one fron these companies, they retail for about 75.00. I know that sounds alot, but, you gotta have it.

08-23-2006, 05:04 PM	#3
RicksTrucks Senior Member Join Date: Jan 2005 Location: Claremore, OK 74017 Posts: 2,640	Re: changing to power brakes need help!!!!!!!! The ones that come on 71/72 are made for front disc and back drum. __________________ 68 Short Stepside C-10 69 SWB C-10 70 Flatbed C-20 70 LWB C-20 BB402 70 LWB C-10 CST 70 LWB C-10 CST 71 Short Stepside Cheyenne C-10 72 LWB C-10 72 Blazer 4x4 4spd 95 Jeep Cherokee 4x4

08-23-2006, 05:07 PM	#4
70c10 67-72 Addict! Join Date: Feb 2002 Location: The TAX State! Posts: 7,857	Re: changing to power brakes need help!!!!!!!! I just bought one at the junkyard with the bracket and prebent lines for $5. People are always parting trucks on the parts board. __________________ Jim 1970 C/10 Fleetside w/Ghost Flames Lowered 4.5" front and 4" rear (Raked) 355/350 Turbo w/shift kit 10" Redneck Performance Verter w/2500 stall Hooker Super Comps part#2808-1 Performer RPM Air-Gap 12 Bolt w/3:73 gears- Eaton Posi Comp Cams XE262 with 1.6 Crane Energizers, Road Demon 625 and Brodix IK 180 heads

08-23-2006, 05:09 PM	#5
bryanw1968 Senior Member Join Date: Jul 2006 Location: Leander, Texas Posts: 850	Re: changing to power brakes need help!!!!!!!! Jegs has their name brand proportioning valve for $34.99.

08-23-2006, 05:29 PM	#6
bills68panel Registered User Join Date: Jul 2006 Location: terrell tx. Posts: 67	Re: changing to power brakes need help!!!!!!!! thanks guys for all the info



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