![]() Most companies will re-grind and install used again.Įnsuring every engine is built to the same high quality standards as the next DFC is very strict on what is remanufactured rejecting components that require considerable “restoring” to acceptable specifications. Our engines have oversized SBI valve seats installed with at least 0.008” crush eliminating this from occurring.ĭFC installs new valves from MAHLE/Clevite or SBI in every cylinder head we remanufacture. The factory valve seats were only installed with 0.002”-0.003” crush which can allow them to fall out prematurely causing engine failure. The 2003-2007 model engines come upgraded from DFC with additional piston cooling preventing premature piston erosion of the piston crown from failed injectors. DFC silicones the oil pans instead of using the factory gasket as they are common to compress and start to sweat prematurely.
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