Tech Articles

The valve springs on a modified engine are subjected to extreme stress from high RPM operation, high lift valves and excessive heat. springs for this type application must be manufactured from special alloy wires such as chrome vanadium, chrome silicon and in extreme applications, Vasco jet 1000 or titanium. In addition, racing valve springs must receive special treatments to prolong life, prevent breakage and loss of tension due to set. These special treatments include heat setting, shot peenin …

The days of having 6 to 10 machine shops in one city is no longer an option. Welcome to the new age of engine assemblers and not machine shops. that's why it makes sense to shop with Motorsports Unlimited we offer complete machining on the new pieces and parts that you are buying, No longer are the days that you have to take your parts into a machine shop. You might wonder why would I do that, well expediting for one reason time, cost, convenience and a peace of mind. if you are talented with yo …

A camshaft upgrade is an outstanding way to add some horsepower numbers to your dyno sheet and shave some numbers off of your ET, but going bigger isn't always better in regards to camshafts. understanding how lift and duration change flow and horsepower numbers will help you make an informed selection. the easiest way to explain camshaft lift is to think of how far the valve opens to its furthest point off the valve seat, camshaft duration can be simply explained as how long the valve stays ope …

Even though we’ve initially balanced and weighed all of the mechanisms and components within our rotating assemblies, you’ll still need to properly balance them after you’ve completely installed them. This is often referred to as the “finish-balance.” However, despite that, with the purchase of a rotating assembly from our extensively diverse collection, you’ll receive everything you’ll need to convert and upgrade your engine to its appropriate degree of successful union.For instance, our 3 …

Having something that comes already balanced and pre-measured is one of the greatest things in the world, especially in the world of auto mechanics and the vehicles they work on. The profession of mechanical engineering is an artform, primarily because it involves the finite process of transforming something into a finished product. In the industry of metallurgy, it involves the science concerned with the properties of metals and their eventual production and/or usefulness. Since we only distrib …