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2011-2014 Mustangs
Driveline/Suspension
6R80 Swap...Real Details
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<blockquote data-quote="BigPoppa" data-source="post: 16030473" data-attributes="member: 177587"><p>From Transmission Digest:</p><p>"<strong>Pump:</strong> Initially, there were subtle changes to the 6R60/6R75 pumps that did not amount to much, although there were some part-number supersessions to contend with. The big change came about with the launch of the 6R80 due to a change with the input shaft and TCC feed. The easiest way to distinguish between the two designs is that the 6R60/6R75 stator support has a front bushing, whereas the 6R80 does not and the 6R80 bore is larger.</p><p></p><p>The 6R pump is somewhat different from other transmissions, in that, instead of a simple pump body and cover, the 6R has a small cast-iron pump body, an aluminum pump cover and an intermediate plate that the stator shaft bolts into. The original Ford service part number for the 6R60 was 6L2Z–7A103AA, which was later superseded to 6L2Z–7A103C. The original part number for the 6R80 pump was 9L3Z–7A103A; however, Ford decided to make a couple of design changes that impacts only the 6R80.</p><p></p><p>A new replacement pump for the 6R80 is OE part number BL3Z-7A103B, which services models up to March 31, 2014 (<strong>Figure 1</strong>). Another new part number had been released for April 1, 2014-up models and is OE part number FL3Z-7A103A. There is little difference when comparing the aluminum castings from the original 6R80 pump to the newer versions. The main difference between the 2014 applications has to do with the pump body and gears. Unlike previous models of 6R60/6R80 pumps that used a caged bearing to ride against the torque converter hub, both of the newer applications use a pump-body bushing (<strong>Figure 2A</strong>). Previous design pumps were only available as complete assemblies; whereas the upgraded designs are now also available as the pump body only under part numbers BL3Z-7A104-A and FL3Z-7A104-C respectively.</p><p></p><p>The modification of the pump gears has to do with the pump-gear drivers. Ford followed the ZF lead initially, meaning that the pump inner gear had drive lugs like GM or Chrysler, which was contrary to what Ford had normally done. That changed with the late 2014 pump gear, which now has flats instead of drive lugs, (<strong>Figure 2B</strong>). The new gears are now the same as the other Ford units.</p><p></p><p>Use caution when ordering the replacement pump so that it matches the torque-converter hub design."</p><p></p><p><a href="https://transmissiondigest.com/Content/Default/Technical/Article/Technically-Speaking-Ford-6R60-6R80-Component-Upgrades-/-3/48/49" target="_blank">https://transmissiondigest.com/Content/Default/Technical/Article/Technically-Speaking-Ford-6R60-6R80-Component-Upgrades-/-3/48/49</a></p></blockquote><p></p>
[QUOTE="BigPoppa, post: 16030473, member: 177587"] From Transmission Digest: "[b]Pump:[/b] Initially, there were subtle changes to the 6R60/6R75 pumps that did not amount to much, although there were some part-number supersessions to contend with. The big change came about with the launch of the 6R80 due to a change with the input shaft and TCC feed. The easiest way to distinguish between the two designs is that the 6R60/6R75 stator support has a front bushing, whereas the 6R80 does not and the 6R80 bore is larger. The 6R pump is somewhat different from other transmissions, in that, instead of a simple pump body and cover, the 6R has a small cast-iron pump body, an aluminum pump cover and an intermediate plate that the stator shaft bolts into. The original Ford service part number for the 6R60 was 6L2Z–7A103AA, which was later superseded to 6L2Z–7A103C. The original part number for the 6R80 pump was 9L3Z–7A103A; however, Ford decided to make a couple of design changes that impacts only the 6R80. A new replacement pump for the 6R80 is OE part number BL3Z-7A103B, which services models up to March 31, 2014 ([b]Figure 1[/b]). Another new part number had been released for April 1, 2014-up models and is OE part number FL3Z-7A103A. There is little difference when comparing the aluminum castings from the original 6R80 pump to the newer versions. The main difference between the 2014 applications has to do with the pump body and gears. Unlike previous models of 6R60/6R80 pumps that used a caged bearing to ride against the torque converter hub, both of the newer applications use a pump-body bushing ([b]Figure 2A[/b]). Previous design pumps were only available as complete assemblies; whereas the upgraded designs are now also available as the pump body only under part numbers BL3Z-7A104-A and FL3Z-7A104-C respectively. The modification of the pump gears has to do with the pump-gear drivers. Ford followed the ZF lead initially, meaning that the pump inner gear had drive lugs like GM or Chrysler, which was contrary to what Ford had normally done. That changed with the late 2014 pump gear, which now has flats instead of drive lugs, ([b]Figure 2B[/b]). The new gears are now the same as the other Ford units. Use caution when ordering the replacement pump so that it matches the torque-converter hub design." [URL]https://transmissiondigest.com/Content/Default/Technical/Article/Technically-Speaking-Ford-6R60-6R80-Component-Upgrades-/-3/48/49[/URL] [/QUOTE]
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