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10-05-2019, 09:42 AM | #1 |
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272 oiling issues
I am aware of the top end oiling problems on the 272, however, I am stumped. I removed the distributor from my engine to manually spin the oil pump, and check the oiling. Engine is in the truck. I connected a direct pressure oil pressure gauge. I get oil pressure from 20 to 60 psi, but I don't see any oiling at the rocker shafts. I have tried this numerous times. Rotated the engine by hand to see if that would change things, but no luck. I assume there should be some sort of oiling at the rocker shafts, although it may be minimal. Any thoughts, ideas, suggestions? Thanks for any help. Truck has been sitting for a long period. Oil is fresh.
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10-05-2019, 10:20 AM | #2 |
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Re: 272 oiling issues
What year truck and do you know if the engine is original to the truck?
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10-05-2019, 10:31 AM | #3 |
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Re: 272 oiling issues
I would remove the rocker shafts to open the lines as much as possible, then plumb a line into the oil galley. There are several places along the lower left side of the block to do this. Then give it a shot of 120 PSI air to try to blow the lines and holes. It this wont work, you may need to remove the heads and try again. Maybe run a drill down the oil holes in the head until it comes out semi clean.
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10-05-2019, 10:32 AM | #4 |
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Re: 272 oiling issues
Truck is a 55. Motor supposed to be original..numbers all point to a 272, but the dipstick is up front so maybe from a car. The pan is rear sump, and the dipstick looks like it has been shortened.
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10-05-2019, 10:36 AM | #5 | |
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Re: 272 oiling issues
Quote:
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10-05-2019, 11:31 AM | #6 |
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Re: 272 oiling issues
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10-05-2019, 11:58 AM | #7 | |
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Re: 272 oiling issues
Quote:
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10-05-2019, 01:09 PM | #8 | |
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Re: 272 oiling issues
Quote:
The 54-55 had a cross-drilled cam whereas the valve-train receives oil only at certain cam positions (ninety degrees). It seems that FORD began with a 272 bottom end and a 239-256 top end towards end of 1955 production. But a truck 272 is not cataloged for 1955 truck.
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***** - WHY IS IT ... - ... that everything you buy in the grocery store is either wrapped in or contained in plastic but the government doesn't want you to carry it out in a plastic bag? WONDERING IN W(BY GOD)V ...
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10-05-2019, 03:44 PM | #9 |
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Re: 272 oiling issues
ive seen this all my life.how simple to get the dipstick along with whatever base you are using but many cant seem to do it.
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10-05-2019, 05:25 PM | #10 | |
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Re: 272 oiling issues
Quote:
Poolplaye1 is correct. The 272 wasn't put in the F series until '56. In '55 the F100 came with a 223 six or a 256 Y-Block (same as '54 Mercury minus the 4 barrel carb). Sal |
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10-05-2019, 06:49 PM | #11 |
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Re: 272 oiling issues
EBU - 1954 239CI FORD PASS CAR - DIF
EBY - 1954 256CI MERC PASS CAR EBV - 1954-55 239CI TRUCK - CF EBZ - 1954-55 256CI TRUCK - CF Read this thread to see the confusion - http://forums.y-blocksforever.com/Topic148090.aspx There have been several accounts such as this described. Trouble is, no one will give the ID INFO off the engines to try and sort it out.
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10-05-2019, 07:45 PM | #12 |
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Re: 272 oiling issues
If you have the cross drilled cam rather than the cam with a groove it it, it will be harder to get the cam in the right position. Move the cam a little at a time to get the holes on the right position.
It might be easier to check for oil with the rocker assemblies off If the truck has been sitting for a long time as you said, the holes or the trough may be plugged.
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10-05-2019, 07:47 PM | #13 |
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Re: 272 oiling issues
To further the engine displacement confusion, from the John Mummert Y-Block webpage...
http://ford-y-block.com/Block%20identification.htm "ECG 272 cu. in V8 1955 to 57 cars and trucks. Typically Dearborn casting." If you don't have an early cross-drilled camshaft and cleaning the rocker shafts and oil passages in the head from the top doesn't help you, you may have to pull the heads. Oil comes up thru the block from the center cam bearing to the heads thru a 5/16" passage and turns a 90* corner at each head gasket. (these corners are not shown in the simplified oiling diagram) There is a shallow groove in the bottom of the heads almost 2 inches long and another 90* turn into a 1/4" passage up thru the heads. The shallow groove with a turn at each end easily becomes clogged with sludge if non-detergent oil was used, along with infrequent oil changes. The photos and measurements are from a '56 ECZ-A (Cleveland foundry) block and ECZ-C heads. Last edited by dmsfrr; 10-05-2019 at 08:16 PM. |
10-06-2019, 01:04 AM | #14 | |
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Re: 272 oiling issues
Quote:
__________________
***** - WHY IS IT ... - ... that everything you buy in the grocery store is either wrapped in or contained in plastic but the government doesn't want you to carry it out in a plastic bag? WONDERING IN W(BY GOD)V ...
DIAGNOSED CDO - (OCD In Correct Alphabetical Order) |
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10-06-2019, 07:32 AM | #15 |
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Re: 272 oiling issues
I have the ECG block with the ID by the distributor. Also ECG heads.
Last edited by tommyleea; 10-06-2019 at 07:34 AM. Reason: add info |
10-06-2019, 07:36 AM | #16 | |
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Re: 272 oiling issues
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10-06-2019, 09:36 AM | #17 |
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Re: 272 oiling issues
You have a 272. Do you know what a DATE CODE CASTING I.D. is? That (and the Assembly Date Stamping) would narrow it down to when it was cast/assembled.
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***** - WHY IS IT ... - ... that everything you buy in the grocery store is either wrapped in or contained in plastic but the government doesn't want you to carry it out in a plastic bag? WONDERING IN W(BY GOD)V ...
DIAGNOSED CDO - (OCD In Correct Alphabetical Order) |
10-06-2019, 11:04 AM | #18 |
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Re: 272 oiling issues
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10-06-2019, 12:01 PM | #19 |
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Re: 272 oiling issues
If you need help/direction on finding the info, just ask.
Are you comfortable posting the first five characters of the VIN here?
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***** - WHY IS IT ... - ... that everything you buy in the grocery store is either wrapped in or contained in plastic but the government doesn't want you to carry it out in a plastic bag? WONDERING IN W(BY GOD)V ...
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10-06-2019, 12:30 PM | #20 |
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Re: 272 oiling issues
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