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bronze vs hardened oil pump gear?
https://www.slantsix.org/forum/viewtopic.php?t=42587		 Page 1 of 1
Author:  62hypapak [ Mon Nov 15, 2010 2:11 am ]
Post subject:  bronze vs hardened oil pump gear?
so which one is for each application??
whats the difference?
Author:  66aCUDA [ Mon Nov 15, 2010 5:50 am ]
Post subject: 
Bronze one was for the Aussie "Hemi" six. Iron only for the slant.
As far as I know.
Frank
Author:  Doc [ Mon Nov 15, 2010 9:24 am ]
Post subject: 
I made-up a batch of bronze (really a nickel-bronze alloy) SL6 oil pump gears for use with steel camshafts. (roller cam applications)
An iron gear wears-out fast when use with a steel cam.
I also heat treat (carborize) the factory cast iron gears to give them a harder "skin". (case hardening)
DD
Author:  62hypapak [ Tue Nov 16, 2010 4:39 am ]
Post subject: 
Would you recommend getting the stock gear hardened and pressing it on a key way melling kit, is this bad practice? Or get the key way gear case hardened?
Author:  66aCUDA [ Tue Nov 16, 2010 6:01 am ]
Post subject: 
Quote:
I made-up a batch of bronze (really a nickel-bronze alloy) SL6 oil pump gears for use with steel camshafts. (roller cam applications)
An iron gear wears-out fast when use with a steel cam.
I also heat treat (carborize) the factory cast iron gears to give them a harder "skin". (case hardening)
DD
Ahh ok didnt know your made a batch Doug.
Frank
Author:  Doc [ Tue Nov 16, 2010 10:32 am ]
Post subject: 
Quote:
Would you recommend getting the stock gear hardened and pressing it on a key way melling kit, is this bad practice? Or get the key way gear case hardened?
Either way works better then using the gear that came on the new Melling pump.
I can provide both types of gear, if needed.
(Heat treated factory or aftermarket gears, with a keyway slot)
DD
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