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Too Much Oil

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Old 11-25-2011, 12:21 AM
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Year: 1992
Model: Cherokee
Engine: 4.0 I6
Default Too Much Oil

here is my info
1992 cherokee
4.6 stroker 600 miles
finally got it up to 500 miles and at about 100 miles into my first long trip, I stopped because I was overheating. Checked under the hood and I didn't put my fill cap back on... So stupid me thinks that I lost a bunch of oil. I checked the level a bunch of times and I came to the conclusion I lost about 2 quarts(Kinda stupid now. I realized how little oil would really come out without the cap). Later I found out that my dip stick doesn't read right when the engines hot. So I put my 2 extra quarts in and I got about 10 miles before I heard not so good noises. as soon as I started slowing down and I got to 1500 rpms, I started getting rod knocks.

I know the engine is toast. Anyone know what Im going to be looking at when I take the bottom end apart?

Destroyed bearings, Bent rods or what? anyone think I'm going to be able to salvage anything from it?

Anyone else have/heard of this happen, or am I the first to have 8 quarts of oil in a 4.0 block?.
Old 11-25-2011, 12:29 AM
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pry just destroyed bearings, my guess would be the oil got foamed up.
Get the crank turned and throw it back together with new bearings.
Old 11-25-2011, 12:38 AM
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another stupid question. I drained the oil out afterwards till it was on the fill line (after it cooled down and was accurate) It was all metalic-y. Are bearings metallic?
Old 11-25-2011, 02:46 AM
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Yessr. Bearing "babbet" actually has "imbedability" . The idea being that a small piece of ,say carborundum, will imbed into it instead of gouging the crank worse. It's not supper hard. I agree exactly with laredo, you wrecked the bearings running it on foam, and the top end might be OK. Not sure why you can't do a compression test to get an idea 4 the cylinders. And Ouch! Sorry man, I feel for ya! (if it's any consolation, a bunch of oil would have blown out of mine!)
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