1971 Combination vlv on 1970 frame - Chevelle Tech
Brakes, Suspension & Steering Conversion questions & more.

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post #1 of 3 (permalink) Old Sep 18th, 05, 2:18 PM Thread Starter
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1971 Combination vlv on 1970 frame

Hello, I am installing 1971 brake lines on my 1970 Chevelle convertible, to include the combination valve for a 71. I am wondering if someone out there could provide a picture of this valve installed in its proper location on the frame so I can determine what bracket I might be missing or what minor mods I might need to make to my lines in order to get the hydraulics installed as correctly as I possibly can. Thanks for any help you can provide.


1970 convertible
454 EFI 700R4 3.55 posi
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post #2 of 3 (permalink) Old Sep 22nd, 05, 5:17 PM
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Re: 1971 Combination vlv on 1970 frame

I am doing the same as you, (except my 71-72 valve is going on a 69 frame)
I haven't installed yet, but I purchased this bracket from inline tube. It is supposed to put the valve in the correct location, so you don't have to bend up your lines more than necessary. You CAN just bolt the valve directly to the frame, as many do, but that involves more line tweaking.
To me, it's worth the 22 bucks!

Part Number - BRK-04* 1971-72 GM A-body Valve Bracket *** $22.00*

1971-72 GM A- Body
Chevelle / Lemans / Cutlass / Skylark / El Camino / Grand Prix / Monte Carlo
Factory Disc Brakes

1964-72 GM A- Body
Chevelle / Lemans / Cutlass / Skylark / El Camino
Disc Brake Conversion

1971-72 A-body Disc Brake Bracket

This item is an exact reproduction of the 71-72 A-body disc brake bracket. All factory disc brake cars had this bracket to hold the prop. valve to the frame. Drum brake cars did not have this bracket only the front disc cars. If the car is being converted to disc brakes this item is a must to place the valve in the right location so the factory lines will bolt into the correct location. All the disc brake companies use the wrong bracket that mounts up by the master cylinder. All 68-72 A-body cars mount the valve at the frame. The valve will only mount correctly with the use of this bracket. This bracket will fit

This bracket may also be used if converting a 64-70 A-body to disc brakes using the GM 5 port valve. Although not correct, since 64-66 cars were not available with disc brakes and 67-70 used a two part valve one piece mounting on the frame and a second part at the master cylinder, this bracket does mount the valve in the proper location on the frame instead of up by the master cylinder.

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post #3 of 3 (permalink) Old Oct 10th, 05, 4:34 PM
Join Date: Oct 2005
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Re: 1971 Combination vlv on 1970 frame

there was also a rear valve on the 70 disc drum version
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