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I would guess that it has 146,000 miles. It is in pretty good shape, probabally a 7 or 8. It has been a city truck since the mid 80's. One of the landfill guys that used to drive it told me that the transmission has been recently overhauled and so had the motor. It has a new radiator and many of the belts and hoses appear to be pretty new. He thought that the city had spent around $13,000 on it in the last seven years. He didn't seem to know what caused the knock. He also said that it drank alot of gas.
A compression test might not show you anything. Try disconnecting spark plug wires one at a time and running it. Sometimes with no spark the cylinder with the problem will not make noise. Be careful, and don't try pulling wires while it's running.
well I finally dropped the pan and found out it was a rod bearing. The bearing was completely gone. The journal is worn pretty bad, like .040 with a caliper. Does anybody know how much I can have the crank turned down? I also need to know what the original rod bearing diameter was. It was stamped and had been turned .020 already.
My dad had a 477 in an F-880 Tandem axle grain truck. he could put 30K on it and it would get where you wanted to go, just might take awhile. It had a 10 speed fuller, and it would turn 3K at 55. Didn't matter if you only had 5K lbs on, when you were loaded, even a little bit, you used every gear in that tranny. running down i-75 to the grain elevator and back ~30 mi round trip, using the "georgia overdrive" on the one hill that would maintain 55 MPH, the truck got 2 MPG. It was a good ol truck though. If you could find a crank, I would stick it in there, it would be worth fixing, if you could pay the gas bill.
98 F150 4X4 XLT Ext. Cab Short bed
4.6 4R70W MSOF 3.55LS 16X8 eagle 589's wrapped in 285/75/16 Dayton Timberline MT's
79 Jeep CJ 7, In pieces, but I got it for $850
I have everything back together and have been driving the truck for about six months now. I am very happy with the motor. I have put about 1000 miles on it and have been getting 4-5 mpg. If anyone is considering buying or rebuilding one of these motors I would recommend them to go for it. I would also like to see someone put one of these in a pickup. I realize that it would not be easy or practical but it shure would be neat. Thanks to everyone who helped me along the way.
It's no diesel but it's got pleanty of power for what I need it for. The most I have carried is 7 tons of distillers grain feed and had no problems cruising along at 50 mph. I was paying $90 per load to have the feed delivered and now it cost me $30 in gas plus my time. So even at $3 per gallon I am still saving money. Plus it is a good excuse for me to own another ford.
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