Those cam sensors are notorious for failing without causing a fault code-I've seen new bad ones.I would have left the original injectors in the totaled truck engine and seen how it ran first.That is a HUEI engine-what are the high pressure oil pump readings?Injector o-rings can be torn on installation,they would cause poor hot start to poor running,and low high pressure oil pump readings,which should make a code.I would think $250ea is cheap for the injectors.You might get them at a Navistar dealer-their reman stuff is good.That motor is known to last,and be reliable-I would have a hard time believing the injectors are all bad-I've never seen it.The only thing is:did they replace the injector o-rings when they did all the swapping from engine to engine? They cannot be reused.Also you have to drain the oil galleys or suck the oil out each cylinder when you remove the injectors,or,you can/will hydrolock the engine,or break piston rings trying to crank the engine back up.If the the turbo blew,it can blow metal into the charge air cooler,which can later be passed into a cylinder.The charge air cooler needed to be flushed out.Are they using a scan tool to diagnose this engine?Good luck-let us know.Mark
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Today's Featured Article - New Life for an Old Allis - by Tyler Woods. My friend Jon, has an old '39 Allis Chalmers B. He thought it a marginal tractor that had long since served its time. She smoked terribly and never had much power but he couldn't afford another so he was limping along with what he had. Jon's Allis has a small front loader and though it doesn't carry much, it serves his needs. It was the hard starting and low power that made him think it was time to replace the old girl. Jon called me to help him discover why his tractor wouldn't start
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