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Are oil pump gears aluminum?

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Old Jan 17, 2005 | 07:28 AM
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Default Are oil pump gears aluminum?
I've shattered one before, they kinda look like cast something.

p.s. I did a search (pump, gear, aluminum) so don't jump the flaming gun!
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Old Jan 17, 2005 | 11:41 AM
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Default Re: Are oil pump gears aluminum? (4gotpasswordAGAIN)
yo
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Old Jan 17, 2005 | 02:19 PM
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Default Re: Are oil pump gears aluminum? (4gotpasswordAGAIN)
bump
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Old Jan 17, 2005 | 02:29 PM
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Default Re: Are oil pump gears aluminum? (4gotpasswordAGAIN)
Usually steel.
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Old Jan 17, 2005 | 03:12 PM
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Default
standard ones are sintered, that is why they shatter
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Old Jan 17, 2005 | 07:16 PM
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Default Re: (black2001ITR)
is sinstered the same as casted steel?

would the stock gear benifit from heat or cryo treatment?
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Old Jan 17, 2005 | 09:58 PM
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Default Re: (4gotpasswordAGAIN)
they are steel.
i would look into cryo'ing the pump gears since it alters shape a little
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