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STEERING SYSTEM
CONTROL VALVE and BALL STUD ASSEMBLY
While the contents of this webpage deals specifically with the working of the early Ford Mustang power-assist system, most of the information pertains equally to the same system as used on other Ford model lines.
Ball Stud Sleeves
Ball Stud Sleeves varied in three ways. Integral or Removable, Tapered or NonTapered, and the clocking of the end flange where it bolts to the valve.
Integral or Removable:
1965-1966 Mustang V8 Centerlink
1965-1966 V8 Mustangs and 1965 V8 Falcons used an Integral Sleeve style where the ball stud sleeve was a part of the Centerlink.
1965-1966 MUSTANG V8 CENTERLINK
BALL STUD
SLEEVE AREA
Falcon V8 Centerlink
FALCON
CENTERLINK
with
SQUARED
SLEEVE
TRANSITION
MUSTANG
CENTERLINK
with
TAPERED
SLEEVE
TRANSITION
The Mustang and Falcon V8 centerlinks are not interchangable. The Falcon unit is shorter to accomodate the shorter distance between frame rails. The locations of the holes in it for the tie rod ends and power cylinder are different also. Trying to use the wrong centerlink on a car will throw off the linkage lengths and geometry of the front end.
1965-1966 Mustang V8 Centerlink
Tapered or Non-Tapered:
Late 50's/very early 60's sleeves had a square hole for the ball stud and used a different bushing.
1967-1970 Mustangs used a
Tapered style sleeve. The end of the sleeve tapered down in diameter on the end where it screwed onto the Centerlink. This style was used on all Fords after 1966.
All other power-assist equipped cars after 1960 used a Removable Sleeve style where the Control Valve/Ball Stud assembly screwed onto the end of the Centerlink or an Extension Bar that itself bolted to the Centerlink.
1965-1966 6cyl Mustangs, 1963-1964 Falcons, 19XX-19XX Galaxies,1962-1966 Fairlanes, pre-1960 Fords all used a Non-Tapered style sleeve. On this model the sleeve tube was the same 1.0" inner diameter its entire length. The sleeves varied in design between car models.
1965-1966 Mustang 6-cyl Control Valve
CONTROL VALVE MOUNTED ON EXTENSION
1965 - 1966 MUSTANG with 6-CYL
Early 6-cyl Falcon and Galaxie V8's similar
CONTROL VALVE MOUNTED TO CENTERLINK
1967 - 1970 MUSTANG - All Engines
Used on all 1967 and later Fords
1967 and later Control Valve
Tapered Ball Stud Sleeve
NON-TAPERED SLEEVE
TAPERED SLEEVE
Non-Tapered Ball Stud Sleeve
Flange Clocking:
Only pertaining to the Non-Tapered style sleeves, the position in which the flange on the end of the sleeve was located varied by car line. There were three basic clockings of these sleeves. Type 1 was used on early 60's Fairlanes, Type 2 was used on 6cyl Mustangs & Falcons, and Type 3 was used on .
Non-Tapered Ball Stud Sleeve clocking
TYPE 1
TYPE 3
TYPE 2
PAGE 2
Go to Control Valve variations - Page 2