Rebuilt 360 engine
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Joined: Mar 2000
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Rebuilt 360 engine
I recently overhauled my 1975 360 engine. I completly went with all new parts including valves and oil pump. I replaced the Intake Manifold with an Edelbrock 390 preformer and installed a edelbrok 1406 electric choke carb. I have about 2000 miles since the overhaul. my problem is the engine uses a quart of oil every tank of gas, (about 250 miles). It has 60 psi oil pressure upon start up, but drops to 25 psi at hiway rpm and down to 10 psi at idle after the engine reaches operating temperature. The engine runs fine (no lifter noise or knocking). It does not smoke. What would you recommend I should do to determine the problem?
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
Rebuilt 360 engine
Steve, have you changed the oil yet? What kind, and what wt. oil are you using? Have you been babying the engine?
John
66 F100s
In the still cool hours of the night, you can hear chevys rusting away.
John
66 F100s
In the still cool hours of the night, you can hear chevys rusting away.
Senior User
Joined: Sep 1999
Posts: 103
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Rebuilt 360 engine
first thing you have to do is find out where the oil is going. at a qt./250mi, I think if it were burning it it would smoke noticeably. I'd drain some coolant out and see if it's in there. I'd also check the air cleaner housing, and check all vaccum lies. you might also want to crawl under the truck with it running, it's possible that its leaking only when it's running, pay special attention to the area around the oil filter adapter.
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