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01-28-2018, 06:03 PM | #1 |
Junior Member
Join Date: May 2012
Posts: 4
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oil pump rebuild
I rebuilt our oil pump for '30 engine and tested it today by putting it in a container of oil and hooked my drill up. Just checking, it worked well only when the drill was in REV. Is that correct??
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01-28-2018, 07:22 PM | #2 |
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Join Date: May 2010
Location: Lakeville, MN
Posts: 5,168
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Re: oil pump rebuild
Model A oil pumps are very simple. There isn't much you can do to mess them up. Just remember to make sure the spring is on the bottom. I don't know about REV on a drill. I would think either way the pump would pump oil, however I have never tried to use a drill to test my rebuilt pumps - they just work.
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01-28-2018, 07:29 PM | #3 |
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Join Date: Apr 2015
Location: Boise, Idaho
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Re: oil pump rebuild
The oil pump is driven by the same gear and shaft that drives the distributor cam and rotor.
As viewed from above, when the engine is running the distributor cam and rotor turn counter-clockwise. So if FWD on your drill is clockwise, REV must be counter-clockwise, the same direction as the pump would be driven by the engine
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01-28-2018, 07:50 PM | #4 |
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Location: Northern Idaho
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Re: oil pump rebuild
Maybe its a pump meant for use in the Southern Hemisphere?
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01-28-2018, 09:25 PM | #5 |
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Join Date: Jun 2014
Location: Melbourne, Australia
Posts: 7,509
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Re: oil pump rebuild
No, the pumps here suck oil from the sump via the bearings.
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01-28-2018, 10:14 PM | #6 |
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Location: Land of Lincoln
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Re: oil pump rebuild
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01-29-2018, 01:13 AM | #7 |
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Location: Santa Maria, CA
Posts: 985
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Re: oil pump rebuild
I hope you used a variable speed drill and started SLOW?
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01-29-2018, 01:08 PM | #8 |
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Join Date: May 2010
Location: Alabama
Posts: 8,099
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Re: oil pump rebuild
Model A oil pumps will even pump thin liquid . I test mine over my parts cleaner tub . There was some really good info on oil pumps in some of the early secrets of speed journals . Most if not all of the rebuild kits include a gasket for the bottom plate of the pump . I don't believe that Ford used this gasket . The lower gasket creates more area inside the pump . More area inside the pump slightly reduces pumping action . I only use the upper screen cover gasket .
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01-29-2018, 01:42 PM | #9 | |
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Location: NC
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Re: oil pump rebuild
Quote:
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