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Original Message
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RE: Oil Burning 390. Help!! |
By John - 02/04/2001 10:15:10 AM; IP 142.177.104.152 |
FPP sells screw in restrictor that are nothing more than a Allen Plugs witha 0.090" hole drilled in them. I'm going to try them next myself. You can make your own. I originally used 1" long Aluminum dowels with a 0.090" hole drilled down the middle, but they were a "slip" fit, so I think extra oil got by around the dowel. If you go less than 0.090, say to 0.060 as suggested previously, you should check the restrictors after your engine has run a bit to make sure any maching debris doesn't start to plug them up...a pain in the ass...but probably worthwhile. All the Ford books and magazine articles I read call for the dowel with a 0.090" hole, but I still had flooding similiar to yours....a lot of which I attribute to not using the oil drip trays which aid in oil drainback. These heads do drain slowly out the corner returns because the headbolts partially block off the passages. Notice how when your engine warms up and the oil thins, there is less smoking as the oil returns faster and less oil gets down the guides. For the record, I used positive type seals and still had the problem. I nfact some of you may remember my letters on the subject. It got to a point that my oil level dropped about a quart due to this, and under hard acceleration the HV pump sucked air and I lost my main bearings. The engine is presently undergoing major surgery and I am investigating a larger capacity pan.
John |
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