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05-24-2015, 07:29 PM | #1 |
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Join Date: Aug 2010
Posts: 65
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more oil pressure
Hello,
Is there any way to modify a model A ford oil pump to get a little more PSI? I have a gauge and I know the oil is pumping, but I would like have a reading so I can prevent future problems. My gauge goes to 15PSI. Any suggestions? As always, thanks for the help. Marty |
05-24-2015, 08:03 PM | #2 |
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Re: more oil pressure
The stock Model A he's very little restriction in the system. As Marty mentioned you don't want to or need to increase the pressure or lack of. You are probably better off without a gauge on a stock Model A...
How can it be I am just became a regular member but almost 100?? A's Always Dave |
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05-24-2015, 08:46 PM | #3 | |
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Re: more oil pressure
Quote:
Bill W. OH, on oil pressure, it's sorta' like measuring something that AIN'T THERE, like, how TALL wuz thet GHOST, that SKEERED you????
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"THE ASSISTANT GURU OF STUFF" Last edited by BILL WILLIAMSON; 05-24-2015 at 08:58 PM. |
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05-24-2015, 09:34 PM | #4 | |
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Re: more oil pressure
Quote:
Number of posts: Junior = 0-25 Regular = 26-99 Senior = 100 & up
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Alaskan A's Antique Auto Mushers of Alaska Model A Ford Club of America Model A Restorers Club Antique Automobile Club of America Mullins Owner's Club |
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05-24-2015, 10:36 PM | #5 | |
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Re: more oil pressure
Quote:
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What's right about America is that although we have a mess of problems, we have great capacity - intellect and resources - to do some thing about them. - Henry Ford II |
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05-24-2015, 11:00 PM | #6 |
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Re: more oil pressure
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05-24-2015, 11:42 PM | #7 | |
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Re: more oil pressure
Quote:
U kuld jist bend the NEEDLE When you kumin' to visit us?--We even MORE fun, in PERSON Buster T.
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05-25-2015, 04:59 AM | #8 |
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Re: more oil pressure
Just use REALLY thick oil - bad for your engine, but the gauge will work better
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Allan '29 Tudor, Canadian RHD Whangarei, NZ "Duct Tape can't fix stupid, but it can MUFFLE the sound" |
05-25-2015, 05:09 AM | #9 |
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Re: more oil pressure
Plug the oil outlet in the valve chamber. Then drill a small hole in the plug. You won't get enough oil to the engine, but you will get some pressure on your gauge! JB
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05-25-2015, 11:14 AM | #10 |
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Re: more oil pressure
One thing I like about this site is I always get my questions answered and in a nice way. Sometimes I hesitate to post something on the count of looking stupid, but no one has ever made me feel that way. You don't learn unless you ask and read. I am always looking for ways to increase my knowledge so I can pass it on to someone else. Thanks everyone. Keep posting, I am reading every post.
Last edited by old skool; 05-25-2015 at 02:49 PM. Reason: spelling |
05-25-2015, 02:12 PM | #11 | |
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Re: more oil pressure
Quote:
What is thick oil? 5-20? 30 or 40wt? Which weight is best? Last edited by PepeLoco; 05-25-2015 at 02:32 PM. |
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05-26-2015, 10:13 AM | #12 |
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Re: more oil pressure
You could open the inlet (to the pump) and outlets a little if it would make you feel better? Not needed and probably won't show on the ga. The stock system has worked since 1927.
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05-26-2015, 04:57 PM | #13 |
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Re: more oil pressure
Marty,there is a trick I've seen rebuilders do that involves drilling and tapping the center oil gallery and piping in a small copper line . Exactly what's going on there I don't know. Whether the gain is in pressure or volume , I can't say. Precisely how it's done I can't say either! But it has been done with some kind of success.
Terry |
05-26-2015, 06:27 PM | #14 |
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Re: more oil pressure
Don't really use really thick oil.
https://www.fordbarn.com/forum/showpo...8&postcount=22 http://ferrarichat.com/forum/faq.php?faq=haas_articles Be careful who you listen to about oil - most don't get it. Read up for yoursslf, and pull your own conclusions.
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Allan '29 Tudor, Canadian RHD Whangarei, NZ "Duct Tape can't fix stupid, but it can MUFFLE the sound" |
05-29-2015, 10:11 PM | #15 |
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Re: more oil pressure
Allanw: Thank you for posting those links. It has been very eye-opening and extremely educational.
Thanks! -Blake |
05-29-2015, 11:36 PM | #16 |
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Location: Ogden Utah
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Re: more oil pressure
I had the same problem with my oil gauge reading low. I put in a oil pump rebuild kit from Burt's which had a modified smaller main shaft and my oil pressure reading increased from 1 psi to 4 psi on a warm engine.The guys on the forum are correct you don't need the gauge but now at least I have some reading on the gauge.
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05-30-2015, 12:53 AM | #17 | |
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Re: more oil pressure
Quote:
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What's right about America is that although we have a mess of problems, we have great capacity - intellect and resources - to do some thing about them. - Henry Ford II |
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05-30-2015, 06:19 AM | #18 |
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Re: more oil pressure
I also take the comment about plugging the outlet to increase pressure as a joke!!
Last edited by Benson; 05-30-2015 at 07:59 AM. |
05-30-2015, 09:59 AM | #19 |
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Re: more oil pressure
DON'T WURRY about low pressure, jist remember that the oil is GUSHING through the engine like KRAZY, NOT jist OOOOOOZING!!!
Bill W.
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05-30-2015, 12:06 PM | #20 |
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Re: more oil pressure
On a Model a engine, the oil pressure gauge reads the resistance of flow between the gauge port and the discharge pipe in the valve chamber. The higher the flow rate (RPM) and the higher the viscosity the higher the gauge will read. The pressure to the bearings will be the same, a gravity pressure of about 6" of head or about .2 psi. 100 psi on the gauge will not give you another ounce of pressure to the bearings, the gauge is just letting you know that the oil pump is still working. The model B is different critter all together.
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