Re: V8 oil Pump ID?
Posted by BH On 2012/3/3 10:47:48
The oil pump used in the 56J Golden Hawk "Sky Power" V8 is same as used in 55-56 Packards - EXCEPT without vacuum pump. In lieu of the separator plate, as used in the Packard V8 pump, the 56J version had a slightly thicker bottom plate. Studebaker even recommended the use of the sump tube kit in their Service Letter No. 936.
Not sure who "made" the Hudson/Nash version for the Packard V8, but I suspect the idea must have come from within American Motors - if for no other reason, but in conjunction with the different oil pan required for close quarters. It is a completely different casting than the versions used by Packard and Studebaker. The bottom plate is simply a cast block that (like Packard's separator plate) serves as a bearing surface for the gears, but is also drilled to act as pilot for the driving shaft.
Looks to me like the Hash pump body would sit above sump level, just like Packard and 56J, but its relief valve bore is lower.
Anyone out there have any AM engineering papers on their implementation of the Packard V8?
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Not sure who "made" the Hudson/Nash version for the Packard V8, but I suspect the idea must have come from within American Motors - if for no other reason, but in conjunction with the different oil pan required for close quarters. It is a completely different casting than the versions used by Packard and Studebaker. The bottom plate is simply a cast block that (like Packard's separator plate) serves as a bearing surface for the gears, but is also drilled to act as pilot for the driving shaft.
Looks to me like the Hash pump body would sit above sump level, just like Packard and 56J, but its relief valve bore is lower.
Anyone out there have any AM engineering papers on their implementation of the Packard V8?
Attach file:
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