Timing Cover Bolts

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When it comes to diesel performance, the options that are available are many and are each equipped to do something very unique. I will attempt to address all of the most popular diesel performance modifications and their varied applications. Diesel performance has become the craze as of late, and has created quite a following. Diesel engines run at a high compression ratio and are capable of great economy and astounding power.

Without debate, the diesel performance chip and diesel performance module are the most popular diesel performance modification out there. By adding a chip, tuner, or module. The diesel engines, by enhancing injection timing, line pressure, the duration that the injectors are held open, or just by dumping more fuel are able to create another 25 to 200 horsepower. That is after a fifteen minute install that doesn't require you to pay a mechanic or have you diesel truck or diesel car out of commission while it is being worked on by the mechanic. They are easy to install, and can be installed by most individuals with limited knowledge of the workings of the diesel engine. Most diesel performance chips and modules these days come with a monitor or digital gauge set up to monitor the new working levels of your diesel truck or car. The diesel performance chip and module have won the diesel performance market over hands down.

The next two items that I will address together are the cold air intake and the exhaust system, both of which move air. Getting air into the diesel engine is just as important as getting exhaust out of the engine. The cold air intake includes a high flowing filter, some of which are able to move up to 300% more air than the stock filter. More air into the engine helps a higher percentage of the fuel to be combusted which creates more power and better economy due to it not going out the tail pipe in a black cloud. On the other hand extreme fueling modifications should not be made if there hasn't been sufficient accommodations made to get the exhaust out the back end. The reason a mandrel bent exhaust, higher flow exhaust, or larger diameter exhaust is so important is because when you increase power you generally increase heat. Without a way to get the back pressure to move along and decrease heat, engine damage could be the result.

Quadzilla Diesel Performance as well as Van Aaken and Diablosport are some of the most reliable diesel chips out there for adding power to your rig-Nathan Young

Nuts and Bolts: The Lowdown

They may be small but you would be hard pressed to find any machine structure that didn't have them. Bolts may seem like they were invented at the dawn of time. However the functionality bolts provide as one of the most used fasteners is unparalleled.

Fasteners can be defined as objects that hold one object to another.

Fasteners cover everything from nails to rivets and bolts. A phone is held together with about 75 fasteners, a car with 3,500, and a jet plane with 1,500,000. The SR-71 Mach 3 spy plane is built of titanium. And yes, it does have nuts and bolts, and they are all made of titanium.

In the USA, about 600 companies make fasteners. They employ about 60,000 workers, and make about 250 billion fasteners each year, bolts included.

In an average product, about 50% of the total production time is spent fastening parts together. Fasteners such as bolts take up about 5% of the total production cost, but when you add the cost of attaching these fasteners, about 30% of the final cost is used.

Threaded fasteners, which include common nuts and bolts, serve one primary function. They need to be able to provide enough holding force to withstand any external pressure applied to them, like weight or moving forces. It is interesting to note that the often taken-for-granted bolt actually has tons of mathematical formulas attached to its use.

The Romans invented the first screws to fasten wooden parts together. The wood screws were either bronze or silver. The threads were made through filing, or by soldering on a wire wound in a spiral. But the screw was lost with the fall of the Roman Empire. The next reference to screws came in the early 1400's.

In the late 1400's, John Guttenberg used screws in his famous printing press. Apparently, nobody noticed Leonardo Da Vinci's designs from the late 1400's for screw-cutting machines, because first machine to cut screws was built in 1568 by the French mathematician, Jaques Besson.

In the 1400's the bolt made its debut. Bolts are basically just screws that had straight sides and had blund ends. The nut, the bolt's partner in crime was hand-made and very crude. There was no standard for the creation of such. Early engineers had to go through a mound of nuts and bolts to see if any matched each other.

During the Industrial Revolution, threaded fasteners proved that products could be assembled faster and easier if they were used. The next big step came in 1801, when lathes improved to the point of being able to produce matching nuts and bolts.

The next invention was by Henry Maudsley, an English inventor. He built a lathe that could cut screws of any diameter and pitch (the pitch is the distance from one tiny hill on the thread, to the next tiny hill). Between 1800 and 1810, his invention turned the relatively benign art of nuts and bolts into a serious engineering science.

But there was still one more problem. Uniform standards for the shape of fastener threads - the little hills and valleys and sizes - did not exist. In 1841, Joseph Whitworth delivered his paper A Uniform System of Screw-Threads to the Institution of Civil Engineers. This paper described the ideal pitch, depth and shape of the thread. He also specified that the angle between the threads should be 55 degrees.

Without nuts and bolts, many industries would have a hard time keeping things together. For the mechanic, the right supply of nuts and bolts is critical. He cannot leave home without them.

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James Monahan is the owner and Senior Editor of
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Helicoil into a Ford 351 windsor block by timing cover?

I just tried replacing my water pump and broke a bolt... It is a bolt that goes through the water pump, then through the timing cover, and into the front of the engine block. We have tried Eze outing the broken bolt but it will not come. I need the truck going again asap. Does anyone know if this area should be ok for running a helicoil into??? I just dont want to drill it out bigger to find an oil journal right there or something...
Yes i am aware of the fact that the helicoil cant go into a plugged hole... Im looking to drill the bolt (and hole) area bigger for the helicoil to go into... I just dont want to find that there is and oil or water journal in there close enough to get drilled into... I know exactly how to use a helicoil... Any body ever have to helicoil this area before? Or does anyone know of a diagram to look at where the oil and coolant journals run through? Im just not familiar with ford blocks yet

You won't be able to install a helicoil as long as the broken bolt is still in the block. Helicoils go into open holes...and yours has a bolt in the way. The only thing you can do is remove the water pump and timing cover to access the broken bolt. Drill down the center of the bolt with as large of a drill as possible without going into the threads and use your easy-out as necessary.

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