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Cast Iron Torqueflites - Front Pump Rotor thicknesses
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56D500boy
Posted 2019-10-15 9:47 PM (#588876)
Subject: Cast Iron Torqueflites - Front Pump Rotor thicknesses



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I just retrieved the front pump for my 57 Windsor cast iron TF from the transmission shop to help with the search for new parts (separate thread).

I was surprised that inner and outer rotors were both about 0.68" thick. I thought that they would be thinner. I have no clue what the thickness of the "high flow" 58-61 1736162 inner and 1736163 outer rotor/gear set was/is.

Anybody know?

Mine:

Outer:



Inner:



REFERENCE: http://www.forwardlook.net/forums/forums/thread-view.asp?tid=72383

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Shep
Posted 2019-10-15 10:23 PM (#588879 - in reply to #588876)
Subject: Re: Cast Iron Torqueflites - Front Pump Rotor thicknesses



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Remember, what ever the gear thickness was, the pump body would be different to accommodate that diffent thickness if in fact it there were different thickness gears.
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56D500boy
Posted 2019-10-15 11:22 PM (#588880 - in reply to #588879)
Subject: Re: Cast Iron Torqueflites - Front Pump Rotor thicknesses



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Posts: 5400
5000100100100100
Location: Lower Mainland BC
Shep - 2019-10-15 7:23 PM

Remember, what ever the gear thickness was, the pump body would be different to accommodate that different thickness if in fact it there were different thickness gears.


Thanks. I know that. (I think )

The original PN for the 56-57 pump housing assembly with the two rotors (1636 394 inner and 1633 658 outer) was 1879 394. Apparently that eventually superceded to the 2084 319 assembly (with the 58-61 gear/rotor set, 1736 162 inner and 1736 163 outer) (image of said NOS assembly below). Have no idea how thick the 17 series rotors are.

What I am trying to determine is do I have the original "low flow" pump body and gears/rotors or do I have the "high flow" pump and rotors (?)





Edited by 56D500boy 2019-10-15 11:24 PM
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56D500boy
Posted 2019-10-25 1:38 PM (#589237 - in reply to #588876)
Subject: RE: Cast Iron Torqueflites - Front Pump Rotor thicknesses



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Posts: 5400
5000100100100100
Location: Lower Mainland BC
56D500boy - 2019-10-15 6:47 PM.
I just retrieved the front pump for my 57 Windsor cast iron TF from the transmission shop to help with the search for new parts (separate thread). I was surprised that inner and outer rotors were both about 0.68" thick. I thought that they would be thinner. I have no clue what the thickness of the "high flow" 58-61 1736162 inner and 1736163 outer rotor/gear set was/is.
Anybody know?


Found out by buying a 1949 600 (superceded PN for the 1736 162 inner). About 0.81 inches:



REFERENCE: http://www.forwardlook.net/forums/forums/thread-view.asp?tid=72383&...

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