1965-66 Mustang Disc Brake Proportioning Valves




NOS Ford 65-66 Mustang Disc Brake Proportioning Valve.  Image ©Virginia Classic Mustang Inc.

If you are really into the detail end of the 65-66 Mustang and Shelbys, you may find this post interesting.  A Kelsey Hayes disc brake proportioning valve was originally installed on the 65-66 Mustangs with factory front disc brakes.

Rather than discuss the function of this part, this post is more about the detail and restoration.  There seems to be a widely held thought that this valve was originally a bluish-gray color.  All of the New Old Stock / Ford Service parts that I have seen are certainly this color, and perhaps some of the ones originally installed on the assembly line were also this color.

Original Black Paint Finish shown on Disc Brake Proportioning Valve from a June '65 Production San Jose Mustang (Early '66 GT350)     Image ©Virginia Classic Mustang Inc

Original Black Paint Finish shown on Disc Brake Proportioning Valve from a very late Production San Jose Mustang (Very Late Production '66 GT350).  Image ©Virginia Classic Mustang Inc

I do have evidence though, that at least some of these valves were originally finished in black paint.  I have seen several other original examples that were black, including the one on an early '66 GT350 (SFM6S033).  This GT350 will be featured here on our Virginia Classic Mustang Blog soon.  I have also seen a black one on a much later production '66 GT350 (near the very end of the '66 GT350 production.)

The "end discs" on these valves are dated. The numbers indicate the day of the year along with the year.

End Disc stamped "81-5."  This is the 81st day of 1965, which is March 22, 1965.  This disc was clear zinc plated for restoration.  Image ©Virginia Classic Mustang Inc

Disassembled Proportioning Valve with Zinc DiChromate Plated Nut and Clear Zinc Plated Adjusting Stud and End Disc.  Image ©Virginia Classic Mustang Inc



Valve has been Cleaned, Glass Beaded and then Epoxy Primed before sending out for Brass Sleeving and Rebuild.  Image ©Virginia Classic Mustang Inc

Rebuilt valve reassembled with the newly plated original parts and  refinished with black paint.  Image ©Virginia Classic Mustang Inc

Jeremy at Maple Hill Restoration did the paint work on this.  He also does the restoration work on the 1965 Mustang 289 HiPo convertible that is featured on our Blog.  He will soon start on our Carryover 1966 GT350 Shelby.  You can contact Jeremy here.

 Image ©Virginia Classic Mustang Inc



Dated end disc.  Image ©Virginia Classic Mustang Inc

1967-73 Mustang Power Steering Cap with Dipstick

Our new 67-73 Mustang Power Steering Caps now have the FoMoCo Logo and are available in both chrome and zinc plating.  The zinc plating was the original finish, but the chrome one sure makes a nice dress up item!

The zinc plated one is our Part Number SU-102.  The chrome one is SU-1021.

69-70 Mustang Heater Hose Firewall Grommets - Set of 2

Here is another one of those cool detail items that probably every single 1969 and 1970 Mustang needs.  These are the 1969 and 1970 Mustang rubber heater hose grommets that fit at the firewall. These grommets were originally installed on Mustangs in the firewall holes to seal against the heater hoses. They also protect the hoses from damage or cutting from the metal.


These grommets are made exactly like the originals using the original Ford Blue Prints.

Sold as set of 2 for one car.  Our Part Number is IN-5531 - Click here to order.

1965 Mustang 289 High Performance Convertible Restoration Project Update

Today, we have a quick post about windshield installation in our 65 HiPo Mustang Project.

We sell lots of windshield rubber weatherstrips, but we are often asked about proper installation.  While this is certainly not the most detailed article about 65-68 Mustang Windshield installation, it may give you an idea as to what is involved.



ST-46 Bedding and Glazing Compound Sealer bead is applied to the body on the windshield "frame" area.



Sealer is also applied between the glass at the windhield weatherstrip.

Winshield Weatherstrip Rubber is "pulled in" with a rope.  Actually a small string was used so most of the sealer stayed in place.  Yes, it is still somewhat of a mess.

The very first thing to keep in mind when installing a Mustang Windshield in a 1965-68 Mustang is the fact that the rubber or weatherstrip must be sealed between the glass and the weatherstrip and between the weatherstrip and the body of the car.  If this is not done, and done well, it will leak.  Always keep in mind that job of the rubber weatherstrip is to hold the glass in.  It actually does not do the sealing.

The product that works best for this sealing is 3M Bedding and Glazing Compound.  We sell it, and our part number is ST46.





Windshield is installed and the exterior stainless steel molding is ready for installation next.



Dash Pad is in place!

Mustang Fuel Sending Unit Brass Float

Here is another new part that just arrived.  It is the correct brass float with original style construction. Lasts longer than  plastic float.   Will fit all 65-73 Mustang Gas Tank Sending Units along with most all other Fords.  Our part number is ER-2675.

We have a complete line of Gas Tank Sending Units and Parts.  Just click here to see them all.

1968 and 1969 Mustang Rear Parking Brake Cable

We just received a shipment of reproduction rear emergency brake cables for 68-69 Mustangs.  These cables have the correct metal covering rather than the generic replacements with the plastic covering.

The LH Rear Parking Brake Cable is for both 1968 and 1969 Mustangs.  It is 31  5/8 inches long.  Our part number is BK-2262.

The RH Rear Parking Brake Cable is for the 1968 Mustang.  It measures 136  5/8" long.  Our part number is BK-2263.

67 and 68 Mustang and Cougar Cowl to Hood Brass Radio Ground Strap

This is just a cool little detail part. It is the radio supression brass strap that is mounted on the cowl on the 1967 and 1968 Mustangs. These original straps are often missing, bent or discolored. It is often very difficult to find a good, used one. Now you can buy this brand new part that is an exact reproduction of the original. It also comes with the correct mounting screw. Ford calls it a Hood Bonding Radio Receiver Strap. The original Ford part number is C5AA-18870-A. This strap was also installed on some Cougar models.

Click here to order.  It is our part number WG-801.