low oil pressure on start up |
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guiljones
New Member Joined: 07-January-2015 Location: west texas Status: Offline Points: 10 |
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Posted: 01-February-2017 at 1:40PM |
Hi Guys,
Just got the overhauled 351C back in my '73 Torino and have to juice up the motor to about 2500 RPM before the oil pressure budges from zero. After that, it goes to 70 PSI and idles around 40. Have confirmed the situation with two different gauges and tubing from the pick off behind the distributor. Any ideas? Thanking you in advance. Guil
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torino335
Member Joined: 27-December-2016 Location: ca Status: Offline Points: 119 |
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does it do the same,every time you start it ?
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ilyes
Senior Member Joined: 09-January-2010 Location: Philadelphia PA Status: Offline Points: 3782 |
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Does your oil filter has an anti drain valve? I would just get a motorcraft filter and swap it first.
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lynchster
Senior Member Joined: 07-January-2006 Location: Pennsylvania Status: Offline Points: 2150 |
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What does it do if you don't touch the throttle?
The oiling path for the Cleveland goes from the pump and then feeds the passenger side head, cam, and crankshaft before crossing over at the back of the block to the drivers side head. The lag could just be the path. Is the engine tapping at start up? Edited by lynchster - 01-February-2017 at 2:42PM |
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Chuck
72 Gran Torino Sport 13 Taurus SHO "Mr Pig" |
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guiljones
New Member Joined: 07-January-2015 Location: west texas Status: Offline Points: 10 |
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comes up quicker after the first start....up slower if it's been longer between subsequent starts. Will try napa filter :-)
Thanks to you guys!
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californiajohnny
Moderator Group Joined: 05-October-2013 Location: winlock, wa Status: Offline Points: 14609 |
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yeah, sounds like it's just draining back. one of my cars started doing that, and i noticed the filter didn't have the anti-drain back valve (most import engines have it in the filter) and most domestic cars had it in the block or pump. as long as it's not ticking or rattling at start up then your ok at least till you figure it out
Edited by californiajohnny - 01-February-2017 at 5:57PM |
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JOHN
74 GRAN TORINO S&H CLONE 74 VETTE CUSTOM 90 S10 BLAZER 4X4 LIFTED 77 CELICA CUSTOM 75 V8 MONZA SUPERCHARGED 79 COURIER VERT. SLAMMED 75 VEGA V6 5 SPD 70 CHEV C10 P/U 68 MUSTANG FB CONVERSION |
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lynchster
Senior Member Joined: 07-January-2006 Location: Pennsylvania Status: Offline Points: 2150 |
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Interesting side note. I had to change my oil filter due to a clearance issue with the aftermarket engine mount. One of the reasons (there's 2)no one list a driver side engine mount for a Cleveland.
The oil filter on my car happens to be the same filter my 93 Escorts used. It seems to work fine and looks like the filter attached to a Cleveland in the factory manual. Interesting post by some guy who dissected different brands of oil filters incase anyone is interested. http://www.300cforums.com/forums/general-discussion-issues-trouble-shooting/31190-oil-filters-dissected.html Edited by lynchster - 01-February-2017 at 5:19PM |
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Chuck
72 Gran Torino Sport 13 Taurus SHO "Mr Pig" |
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Big Bird
Senior Member Joined: 25-August-2013 Location: New York Status: Offline Points: 4194 |
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Did you remember to put the gasket between the engine and the oil pump?
A little air leak there can make the system drop it's prime. For motor mounts, Cleveland uses the same mounts as a Windsor, and there is a left, and a right...
Edited by Big Bird - 02-February-2017 at 2:56PM |
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Randy 1979 T-Bird 2005 F-150 STX RCSB 4.6, 3.55 LSD How the Heck does a REGULAR CAB SHORTBED weigh over 5200 pounds? |
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