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Old 12-05-2014, 10:10 PM   #1
grahamhot30
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Default Drill or not to drill sump oil tray

Have found the bigend dipper trays in some engines drilled? why would this be done.
Thought the idea was to have a high level of oil in the dipper tray to lubricate the big end bearing and splash oil up into the piston to lubricate the little end bearing.
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Old 12-05-2014, 10:25 PM   #2
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Default Re: Drill or not to drill sump oil tray

You are correct! No holes needed. Needs to hold oil. Could be rust holes
oil floats on water, water causes rust holes.
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Old 12-05-2014, 10:26 PM   #3
Chuck Sea/Tac
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Default Re: Drill or not to drill sump oil tray

I don't think so!!!! Maybe if all bearings are pressurized? People come up with strange ideas.
I have four Caddilac threaded hubcaps that someone drilled,tapped, and installed grease fittings???? I guess they thought pumping the hubcap full of grease would somehow magically go into the wheel bearings.
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Old 12-05-2014, 10:47 PM   #4
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Default Re: Drill or not to drill sump oil tray

Do not drill holes if your engine is NOT pressurized to the rods. If you have holes in the dipper tray they will not hold oil after the engine is shut off. Every time you start the engine, the big ends of the rods will not get any oil until the oil pump re-fills the dipper troughs. The cam cylinder bores and pins will not receive any slash until the troughs are full.

My opinion,

Chris W.

Last edited by CWPASADENA; 12-05-2014 at 10:47 PM. Reason: TYPO
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Old 12-05-2014, 11:02 PM   #5
Purdy Swoft
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Default Re: Drill or not to drill sump oil tray

I've also seen drilled dipper trays but chose not to use them .
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Old 12-05-2014, 11:21 PM   #6
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Default Re: Drill or not to drill sump oil tray

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I would like to know this also Ford punched this holes on the out side of the dippers on all B Models and late A Models
they are above the trough so the big end still gets full amount of oil
I have seen them drilled into earlier A Models
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Last edited by colin1928; 12-06-2014 at 12:45 AM. Reason: add
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Old 12-06-2014, 12:41 AM   #7
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Default Re: Drill or not to drill sump oil tray

I should add that most of the trays Have seen drilled match the punched trays perfectly as if their were done with a jig
Why would Ford retool to add this holes
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Old 12-06-2014, 02:46 AM   #8
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Default Re: Drill or not to drill sump oil tray

Quote:
Originally Posted by colin1928 View Post
I would like to know this also Ford punched this holes on the out side of the dippers on all B Models and late A Models
they are above the trough so the big end still gets full amount of oil
I have seen them drilled into earlier A Models
Hey colin,
I think that he may be talking about dipper tray holes that look like these.....
These are one of the 'mods', made to the pan/tray when full pressure system is used. BTW, there are other ways of doing things for full pressure system pans...this is just one.
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Old 12-06-2014, 04:06 AM   #9
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Default Re: Drill or not to drill sump oil tray

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Originally Posted by hardtimes View Post
Hey colin,
I think that he may be talking about dipper tray holes that look like these.....
These are one of the 'mods', made to the pan/tray when full pressure system is used. BTW, there are other ways of doing things for full pressure system pans...this is just one.
You may be correct
by the way nice looking B sump and 59a pump
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Old 12-06-2014, 07:52 AM   #10
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Default Re: Drill or not to drill sump oil tray

This one has four holes, drilled. i will try to weld it.
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Old 12-06-2014, 08:47 AM   #11
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Default Re: Drill or not to drill sump oil tray

I thank Norway's wholes in the tray is for the over flow of oil to get back to the oil pan. I've heard of people making these larger.
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Old 12-06-2014, 08:50 AM   #12
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Default Re: Drill or not to drill sump oil tray

The large holes alongside of the dipper wells were likely put there by Ford to increase the flow rate of oil to the bottom of the oil pan. I suspect that at high speeds, the oil level at the pump intake may get too low without the large oil return holes.

Under no circumstances would I drill holes in the dipper wells because splash lubrication is necessary for the cylinder walls, camshaft lobes and piston pins.
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Old 12-06-2014, 10:36 AM   #13
Ken Ehrenhofer
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Default Re: Drill or not to drill sump oil tray

I have noticed these holes also and I have welded up two dipper trays not knowing what they were for thanks for the post, Ken Ya learn something new every day!
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Old 12-06-2014, 01:40 PM   #14
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Default Re: Drill or not to drill sump oil tray

Follow this link to re-visit an older discussion on the same topic where James Rogers answers the question in his entry # 4, 6 and 11.

https://www.fordbarn.com/forum/showth...t=windage+tray
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Old 12-06-2014, 04:18 PM   #15
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Default Re: Drill or not to drill sump oil tray

Thanks for the link Mike
James as normal had the answer
I knew ford put them in for a good reason
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Old 12-06-2014, 05:15 PM   #16
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Default Re: Drill or not to drill sump oil tray

I have a B motor, fully pressurised but the guy who rebuilt it removed the scoops from the big ends and left the dipper tray out all together. It has done a few thousand miles with no problem but I don't like the way the oil pressure warning light comes on when I turn right. Maybe I should put a dipper tray from an A engine in for the baffles but put holes in the dipper troughs.
Any ideas/comments?
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Old 12-06-2014, 05:45 PM   #17
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Default Re: Drill or not to drill sump oil tray

Quote:
Originally Posted by Synchro909 View Post
I have a B motor, fully pressurised but the guy who rebuilt it removed the scoops from the big ends and left the dipper tray out all together. It has done a few thousand miles with no problem but I don't like the way the oil pressure warning light comes on when I turn right. Maybe I should put a dipper tray from an A engine in for the baffles but put holes in the dipper troughs.
Any ideas/comments?
An A Tray doesn,t fit into a B sump with out work
the baffles in std tray only work forward and back not side to side (right hand corners)
normally you remove the tray and weld in baffles with swing gates in 3 directions all opening towards the pump
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Old 12-06-2014, 06:16 PM   #18
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Default Re: Drill or not to drill sump oil tray

That makes perfect sense, Colin. T/hanks. I'll knock up a couple of those, one for the B engine sitting unrestored in the shed that I might do one day, maybe not. My A engines are going soooo well.
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Old 12-07-2014, 06:30 PM   #19
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Default Re: Drill or not to drill sump oil tray

I have a full pressure engine and am using a Stipe pump with a baffled sump. Check this post for more info
https://www.fordbarn.com/forum/posthistory.php?p=866884
Actually check the whole thread.
I have rough drawings of the plates I made although they need some trimming to fit the pan correctly.
Dick
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Old 12-08-2014, 01:59 PM   #20
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Default Re: Drill or not to drill sump oil tray

Quote:
Originally Posted by bettlesr View Post
I have a full pressure engine and am using a Stipe pump with a baffled sump. Check this post for more info
https://www.fordbarn.com/forum/posthistory.php?p=866884
Actually check the whole thread.
I have rough drawings of the plates I made although they need some trimming to fit the pan correctly.
Dick
Hey Dick,
Strange thing is that when I try to access/read your posted site...I get a message seemingly from administrator, that I 'am not authorized' to access what you've posted
Is there any other way , that you know of, for me to see the site you posted?
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