« Reply #83 on: March 17, 2015, 09:57:02 PM »
In some, maybe all, of 1981 both four cylinder and six cylinder Eagles got the same resevoir. Four cylinder Spirits also got it and those have the same system as Eagles. Six cylinder Spirits were mechanical clutches.
The stock location was a bracket mounted on the other side of the brake booster along the fire wall. The hole for the bolt is present in all Eagles. The bracket wrapped around the resevoir with a screw in the same way the evap cannister bracket is shaped.
In maybe some of 1981 or 1982, I'm not sure when, they stopped putting the nice resevoirs in six cylinder Eagles but kept putting them in four cylinders. In 1983 all the six cylinder Eagles had the stupid horrid plastic tube style resevoir. The plastic tube style ended in a vent exactly the same as the vent found on top of the differential vent tubes. They have a very small volume and are prone to cracking, which has stranded me several times in several different Eagles over the years. Putting the older style resevoir in is a huge upgrade for those Eagle owners stuck with the plastic tube.
Incidentally the part numbers from four to six cylinder slave and master clutch cylinders are different according to Rockauto but in practice they are all interchangeable. The six cylinder slave has a shorter rod but that can be swapped for the longer rod in a four cylinder. There is small differences in bore size but it doesn't matter much. I will say that a six cylinder slave and master set in my four cylinder Kammback has a longer throw and the pedal has to travel slightly further toward the floor to find the bite point but it isn't enough of a difference to notice. Since availability comes and goes in cycles this is important to know. One of them is always available but usually you need to try several similar vehicles to find the one in stock.
« Last Edit: March 17, 2015, 10:01:38 PM by captspillane »
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