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12-01-2019, 05:26 PM | #1 |
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Join Date: Sep 2018
Location: Yorkville Indiana
Posts: 396
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Oil Pressure Reading
I’ve spent most the afternoon searching the site and reading about oil pressure readings because of the #50 and #80 senders and oil pumps. Please don’t attack me for asking because I have read so many posts that I now have information overload. I have a 40 Sedan with the #50 gauge and sender, engine is a 42 from what I’ve concluded which in turn makes me believe it has the #80 oil pump. Has anyone come across a sender that will make the #50 gauge read some where close to accurate with the #80 sender. My next step is to install a mechanical oil gauge but I’d like to have the original gauge somewhat functional.
Last edited by Branded; 12-01-2019 at 06:17 PM. |
12-01-2019, 06:54 PM | #2 | |
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Location: Christchurch New Zealand
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Re: Oil Pressure Reading
Quote:
Phil NZ |
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12-01-2019, 07:03 PM | #3 |
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Join Date: Apr 2019
Location: Kansas
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Re: Oil Pressure Reading
https://www.fordbarn.com/forum/showt...3209&showall=1
Pretty good info here,especially posts 14 and 29 which list possible compatible part numbers. Terry
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"It don't take but country smarts to solve the problem" (Smokey Yunick) '41 Merc Town Sedan / 260" 8CM engine '66 Fairlane four door / "warmed up" 302 |
12-01-2019, 09:43 PM | #4 | |
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Join Date: Sep 2018
Location: Yorkville Indiana
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Re: Oil Pressure Reading
Quote:
Read that post earlier didn’t really say if that cured the issue. |
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12-01-2019, 10:28 PM | #5 |
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Join Date: May 2010
Location: Alabama
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Re: Oil Pressure Reading
I ran into the same program when I fired up the V12 in my Zephyr. The dash gauge reads 0-50. I was reading low oil pressure . Screwed a mechanical gauge in the block to verify it actually had good oil pressure. The sender I had in it was marked 80 on one of the square shoulders. Went through my stash and found one that wasn’t marked, they are the 50 lb units. Gauge started reading same as mechanical gauge then.
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12-01-2019, 10:41 PM | #6 |
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Location: Yorkville Indiana
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Re: Oil Pressure Reading
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12-01-2019, 11:12 PM | #7 |
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Join Date: Jun 2014
Location: Williamsburg, VA
Posts: 1,627
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Re: Oil Pressure Reading
If you have a pump that puts out more than 50# on an engine with a 50# sender in a car with a 50# gauge, the gauge will read as accurately as feasible with the Ford design. Which means the gauge will be pegged much of the time, if the engine is fresh. That will not hurt the gauge. Go with it, knowing that if the pressure drops below 50 you are seeing something close to the actual pressure.
Note: All 80# senders have the number 80 stamped on the underside. Some 50# units also are stamped, but if it has no marking you can be pretty sure it is a 50# unit, because the stock early model 50# senders were unmarked. |
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