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11-29-2020, 08:30 PM | #1 |
Senior Member
Join Date: Sep 2019
Location: Kountze,TX
Posts: 313
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Oil Pump Drive Gear
I am assembling a spare engine and for some reason, I never looked at the oil pump drive gear until I was ready to install it. It is horribly worn! I have never seen one this bad. The gear teeth are almost worn to a point. I have a replacement coming. Is this common? Glad I noticed it while i was rebuilding the oil pump.
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11-29-2020, 10:44 PM | #2 |
Senior Member
Join Date: May 2010
Location: Oregon
Posts: 5,963
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Re: Oil Pump Drive Gear
Dirty oil makes everything in there wear out.
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11-30-2020, 05:53 AM | #3 |
Senior Member
Join Date: Sep 2019
Location: Kountze,TX
Posts: 313
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Re: Oil Pump Drive Gear
I thought it odd that the gears, bushings, and everything else in the oil pump looked good. Maybe the pump was replaced at some point but not the drive gear. This is an extremely clean engine with virtually no wear on anything else.
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11-30-2020, 08:27 AM | #4 |
Senior Member
Join Date: May 2010
Location: Liberty, KY
Posts: 901
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Re: Oil Pump Drive Gear
How is your cam?
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11-30-2020, 08:33 AM | #5 |
BANNED
Join Date: Dec 2019
Posts: 1,196
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Re: Oil Pump Drive Gear
Check your cam plunger spring.
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11-30-2020, 12:14 PM | #6 |
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Join Date: Jun 2010
Location: Temecula, CA
Posts: 4,089
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Re: Oil Pump Drive Gear
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11-30-2020, 08:34 PM | #7 | |
Senior Member
Join Date: Sep 2019
Location: Kountze,TX
Posts: 313
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Re: Oil Pump Drive Gear
Quote:
Jim, you just reground my cam a month or 2 ago. The cam measures 1.556" Should I go with an .004" oversize gear? I already ordered a std gear. Changed to a new plunger and spring. New aluminum timing gear. Last edited by DBSHELTON; 12-01-2020 at 06:07 AM. Reason: More details |
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