It costs $400-600 in rebuilding the rods properly but it is a very important part in the rebuilding process. A bad set of injectors or a missing bushing on the small end of the connecting rod will make that metallic sound. It isn’t supposed to have any metallic rap or knock in it anywhere. We will put new oil galley plugs in it so that there is no leakage there. It is very important to do all of these things to ensure a quality rebuild. Fortunately, we have some in the shop we can use.Ĭylinder heads are remanufactured with new valves, new guides and also new cups in each one of the holes. This one is marked so we wouldn’t re-use it. The camshaft is built of steal so they don’t go bad very often. It is very important to put new lifters.Ĭamshafts generally don’t fail in these engines. One fact that a lot of people don’t know is that the only part numbers that crosses between a 7.3, a 6.0 and a 6.4 are the lifters. Often people don’t replace this part and the wrist pin will rattle inside and make the engine run a lot louder.Ī new set of lifters are going to be installed. One of the most important things when you rebuild a rod is to replace the brass end inside of the short end of the rod. The bottom side of the rod was resized by take just a little bit of material out, closed, resized correctly and chamfer the edge. The rebuilding of the connecting rods is a very crucial part of rebuilding the engine. It is basically a steal liner that gets put down into the block to restore the bore so it can be used again. When you look at the top of the bore, you can actually see the edge of the sleeve. You can see in the #3 cylinder where the sleeve was installed. We have our block and crank back from the machine shop and the cylinder heads are rebuilt. Otherwise, there is very little wear and tear on the pistons.
That is one of the tell-tale signs that there was a lot of heat in this one cylinder. Every one of the pistons has some heat in them. You can also see all the heat that has been put into the motor from the tuning. When the piston came out of #3, the piston rings just fell apart and is burnt. The other cylinder heads will be rebuilt and brought up to specification. The other 7 cylinders will be able to be bored. The #3 cylinder will have to be sleeved because we won’t be able to repair it with just boring. This engine will have to be totally disassembled and rebuilt. When we pulled the cylinder head off, the #3 cylinder had a real bad problem. The customer complained about oil smell and lack of compression. Here is a 275K mile 2001 F250 rear wheel drive used to pull horse trailers with a bit of tuning on it. You can see how there is a lot of smoke coming out of the tailpipe which is another key indicator that there is oil in the muffler or oil in the catalytic converter. “Is your truck consuming oil” is one of the first things I ask people. When a piston ring is bad, the truck will start consuming oil. When you crank it, especially when it is cold, there is a lot of smoke and it smells like burning oil. You hear how it has that fast spot in there when it cranks.
We are going to jump the solenoid so you can hear the dead spot in it where it speeds up.
#Cylinder numbers 6.0 psd crack#
Often this is caused by spraying ether or starting fluid into the engine which can crack a piston. Usually this is because of a piston ring failure. This truck has a dead skip in one of the cylinders and loss of compression. The transmission is grinding into gear, and the clutch and breaks are tired. How does a 7.3 truck die? This is a 2001 utility body truck with close to 300K miles on it.
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