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Well guys the Ranger is at wits end. Finally got the 360 running decent in my truck ( harmonic balancer was spun so timing was way off ) It seemed to run great for a few days but I noticed heavy blowby from the stock oil cap. replaced with a later model breater to air filter style. seemed to be ok. Took it out this weekend ran it fairly hard ( not at the strip ) only about 80 miles. Parked it at night came out next day to find oil all over the ground and engine bay. Evidently the blowby was enough to pop the dipstick out of the tube and purge oil everywhere. Any reasonable help ( read cheap ) would be appreciated. I refuse to pull this motor again. otherwise it's off to the auction block and I'll be a Chevy owner again
My first 428 was a slightly used but supposed "rebuilt" somewhere along the lines(this was 1990). It would blow the oil filler cap off the intake tube constantly. I finally would use a rag instead so it was cheap to replace once lost. Usually it was sitting on the passenger inner fender!!
It was just plain used up. Rings worn so bad that a long trip(like 250 miles one way) would undercoat EVERYTHING under the hood from blowby. It finally got replaced.
Well, check the PCV, make sure that's working. It sounds like there's too much for it to cope with though. Your best bet would be to take it out and put new rings in it. I dont know what you did before, but if it's a fresh rebuild it will take some time for the rings to seat. You can help them along by making a few full throttle blasts though.
Just an old motor from a boneyard, pulled heads and recut seats replaced seals, new oil pump, main seal, I should have reringed hindsight being what it is.
Don't want to be nagative but it sounds like the partial rebuild might be the problem. What happens if you put new heads (example) on a tired block? bad things so I'm told. I was raised ford- owned 10+ of them- bought a 2002 chey silverado z71 and love it but selling due to financial and bought my '77 ford 150 4by. I, for one, love the old fords and really respect the new chevy's (though Ford finally made a comback with the '04 f150)
But ya gotta do it right or you will end up with problems. Sorry...and no offense meant- hate to see a guy give up on an old ford.
Well what do you expect from a junkyard motor? Of course it's gonna be shot. Just because the junk man says it ran doesn't mean it ran good.
One last trick I'd try is the Seafoam trick. Dump some down the carb until it dies, wait a few minutes, restart it, then take it out and drive it. I highly doubt it will fix it, but it's a last option kind of thing. After that, try 20w50 oil. It *may* help the rings seal better.
Other than that, your options are to live with it, rebuild it, or take it back to the junk man.
well it sounds like to much crankcase pressure make sure you are running a valve cover breather on one valve cover and a pcv on the other and make sure the pcv works.
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