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An in-frame is a rebuild. You may be thinking of a re-manufactured engine. The remain engine is usually done at the factory. You pull your old engine out and put the new one in. Those are rather expensive. A remained CAT runs about $25,000, as I recall. Most engines can be rebuilt from about $10-18,000. With the last work I just had done on one truck my rebuild is about $25,000.
An in-frame replaces the pistons, liners, injectors, sleeves, o-rings, turbo, oil pump, water pump, bearings, cam shaft, etc., You basically replace all the moving parts and bearings. It may not be necessary to replace the injectors and turbo, but I would not want to rebuild an engine without doing so. Some re-builders may not want to warranty an engine without replacing all the components. Some may also want to replace the radiator. Of course, all belts and hoses should also be replaced. There are different levels of re-builds. Personally, I think it is a good idea to just replace everything while you have things torn down.
There are signs that an engine is having problems. If you drive a truck on a regular basis, you should be able to tell a difference in how the tuck performs. Loss of power, smoking, missing, etc., are common signs. If you regularly do an oil analysis, you can also spot problems with excessive wear before they become critical.
Thanks a bunch, Gman, for taking the time to explain it to me.Originally Posted by GMAN
An in-frame is a rebuild. You may be thinking of a re-manufactured engine. The remain engine is usually done at the factory. You pull your old engine out and put the new one in. Those are rather expensive. A remained CAT runs about $25,000, as I recall. Most engines can be rebuilt from about $10-18,000. With the last work I just had done on one truck my rebuild is about $25,000.
An in-frame replaces the pistons, liners, injectors, sleeves, o-rings, turbo, oil pump, water pump, bearings, cam shaft, etc., You basically replace all the moving parts and bearings. It may not be necessary to replace the injectors and turbo, but I would not want to rebuild an engine without doing so. Some re-builders may not want to warranty an engine without replacing all the components. Some may also want to replace the radiator. Of course, all belts and hoses should also be replaced. There are different levels of re-builds. Personally, I think it is a good idea to just replace everything while you have things torn down.
There are signs that an engine is having problems. If you drive a truck on a regular basis, you should be able to tell a difference in how the tuck performs. Loss of power, smoking, missing, etc., are common signs. If you regularly do an oil analysis, you can also spot problems with excessive wear before they become critical.