Racing camshaft design software

The various camshaft grinds carry identifying designations such as. Virtual engine dyno is a computer software program used by engine shops and performance enthusiasts to simulate building, modifying, tuning and dyno testing automotive engines before component purchases and engine assembly. Barry kluczyk answers the top 10 basic questions regarding camshaft design and theory. Lobe lift sometimes called cam rise is the height of the eccentric portion of the cam lobe above the base circle. Mar 22, 2007 the science behind camshaft design is as advanced as anything in a race car, so most of usincluding experienced engine buildersdepend on the manufacturer to help spec the right cam for a.

These camshafts have a unique design that runs like a higher lift camshaft, but meets stock lift rules. Whether were talking about axle ratios, compression, carburetor size, timing, or e. From the advent of computer design in the early 1950s and 60s, to roller lifters and cams in the 60s, to antipump up lifters and shaft rockers in the 70s and 80s, to new profiles and big journal sizes of the 90s. This enables one to zero in on the best camshaft profile, lobe spread, rocker ratios, cylinder head porting, intake manifold geometry and exhaust header design to come up with the optimum set up for a particular application. Professional cam and perfect cam software to design the cams. Multiple carburetors recommended for both 4 and 6 cylinder engines. Net valve lift is a function of camshaft lobe lift and rocker arm ratio. Indy car, nascar, usac sprints, world of outlaws, dirt latemodels, scra sprints, score. To produce a high performance camshaft, the cam begins as a mathematical computation to which manufacturing tolerances are added. Oct 12, 2018 that new toolyour new secret weaponis the new summit racing cam timing calculator.

Dynomation6 lobe profile library motion software, inc. Its greek jargon, or street parlance to the rest of the world, but it often defines us. These camshafts have a unique design that runs like. Rapidly opening valves and higher valve lift is possible with a roller camshaft design. New software design programs soon came out that cut the design time down to hours and enabled grinding a. Cam design service also includes reverse engineering where original calculations are no longer available. Camshaft art and science you get out what you put in engine. Performance camshaft tuning circle track magazine hot rod. Welcome to the future of dyno simulation software virtual engine dyno is a computer software program used by engine shops and performance enthusiasts to simulate building, modifying, tuning and dyno testing automotive engines before component purchases and engine assembly. However, if the engine is in the car, and you wish to remove the springs without removing the cylinder heads, you can purchase the isky valve spring removal kit fig. Dick jones rick jones camshaft technologies prototype camshaft design and manufacturing mainly used to verify the accuracy of dicks equations with his old school engine building buddies, and prove the cams performance. Andrews engineers can work as an integrated team effort to support development of your prototypes and experimental camshafts. However, if you have particular needs, we do offer inhouse cam design for the most demanding applications.

So in this issue, were going to do some heavy bench racing and delve into camshaft basics. Let us share our years of experience and numerous software packages to enhance your efficiency and engine performance efforts. Our camshaft design programs allow end users to examine multiple designs in a. While mechdesigner software is particularly suited to packaging machine design, it can also. Engine building software engine builder professional. The process of designing, testing, and manufacturing a camshaft is time consuming and costly.

Camshaft design system is used to modify the valve acceleration curve, calculate the valve lift and generate the cam profile with special features for frequency analysis, piston valve. The camquest application is currently offline for maintenance and updating. The camshaft is often referred to as the heart or the brain of a performance engine. Camshaft lobes are designed by starting with the lift curve, and working backwards to determine the lobe shape that will produce the lift curve. Bennett racing engines has set records and won championships in almost all forms of drag racingworldwide. Professional cam and perfect cam is the ideal and complete software for engineering, team, tuner, etc. Camshaft selection and design choosing the right cam from all of the possibilities that are out there can make a significant difference in how well an engine performs. The better we understand how each of these terms affects an engine, the better armed we are to choose the best camshaft. This is due to the dramatic effect that valve timing events have. In fact the software allows, to design valve lift law, to calculate cam profile for the main type of valve train system, to verify the valve train system with the spring load calculus and also to analyze the geometry of. Camshafts use a combination of separation angles, lift, duration and lobe accelerationramp rates to create what is called a cam profile. With comps camquest camshaft selection software provides a set of camshaft recommendations from comps extensive catalog all based on several integral factors, including the engine make and model, the type of lifter used, nitrous injection andor forced induction, and the intended usage. It was developed to allow the user to fully optimize the selection of engine components and engine settings for the ultimate engine build.

Cam pro plus is a highend software and sensor package specifically designed for measuring and analyzing lifter and valvemotion profiles. The correct procedure is to design the desired valve motion, then back out the required tappet motion. Roller camshaft profiles allow maximum performance. Cam design and analysis is critical in highperformance engines. Cam profile designs are furnished with the lift and design data along with.

Another trend impacting camshaft design is the move to smaller, turbocharged engines. The stock lift series was designed for oval track applications that have to meet stock lift requirements. It converts duration, lobe separation, and advance into the four individual timing events that will ultimately dictate engine performance. Hertz stress which can be tolerated in racing cams and cam tappets made from. The rocker arm transfers the motion of the valve lifter riding on the cam lobe to the valve and increases the lobe lift by the amount of the rocker ratio. Motion softwares lobeprofile libraries mark another first for the performance industry. Virtual engine 2000 race engine simulation software.

Cam designs often use conjugate cams for improved performance. Our camshaft design programs allow end users to examine multiple designs in a short period of time, minutes. Pdf camshaft design for an inletrestricted fsae engine. For more than three decades, computerized cam program development at andrews products has been a continuous effort. These designs utilize fast lift rates to create maximum power while meeting your racing class lift rule requirements. Our unique parametric profile cam designs are part of our proprietary total engine design equation the brain child of indywinning engine designer dick jones. It is intended for engines that produce between 300400hp. This is the angle between the inltake and exhaust camshaft lobe peaks described in camshaft degrees. This is due to the dramatic effect that valve timing events have on a fourstroke internal combustion engine. Camshaft selection utility pick the best camshaft and.

Allnew lobeprofile library of comp cams latest profiles. The summit racing cam timing calculator does two things. This program enables the camshaft engineer or advanced builder to measure camshaft profiles on a dedicated test stand or. The legendary ed winfield was one the early pioneers in grinding camshafts. Cat cams has a large database of cam designs available, ready for grinding to suit your custom project.

The science behind camshaft design is as advanced as anything in a race car, so most of usincluding experienced engine buildersdepend on the manufacturer to help spec the right cam for a. Comp cams innovative camquest camshaft selection software. Camshaft lobe design tilden technologies camshaft design. Development of an interactive camshaft design tool. May 14, 2020 another trend impacting camshaft design is the move to smaller, turbocharged engines. Apr 24, 2017 barry kluczyk answers the top 10 basic questions regarding camshaft design and theory. This is a billet core camshaft that is designed to be used with a 2400cc or larger engine for drag racing and aggressive street and road race applications. New software design programs soon came out that cut the design time down to hours and enabled grinding a master using nc punch cards in a day.

However, we have a variety of other channels to provide you with a personalized cam recommendation from one of our knowledgeable, highly trained and experienced technicians. Its all about balance and correctly matching the cam with the cylinder heads, compression ratio, intake and exhaust systems, and rpm range where you want the engine to produce the most torque and horsepower. Cam design also called cam profile design is the art of getting maximum performance from a cam gear, making it fast and reliable. Naturally aspirated, turbocharged, supercharged and nitrous engines, 2 and 4 valve cylinder heads using pump gas, methanol, e15 or e85 fuel. Advertised duration figures are not reliable numbers when trying to compare one brand to another for these reasons. This range of camshaft is more for engine design rather than for camshaft replacement the engine most be designed and built with the design of the camshaft in perspective. Carburetor recommended for v8 engines, size of carburetor depending on engine. They feature the most aggressive camshaft lobe profiles and withstand the highest valve spring pressures. The ultimate in engine simulation software welcome to the.

More life and duration, combined with faster opening and closing valves, mean greater air flow. To generate the best profiles available, we have developed our own cam design software to tackle any design constraint of modern times. For this reason, we need to learn a bit more about lift curves before we can discuss how lobes are designed. In the upper area, calculate individual valve events and lobe centerlines by entering intake and exhaust duration, lobe separation and advance.

Imagesummit racing how the cam timing calculator works. Nov 01, 2009 isky racing camshaft design secrets chp insider. This is a simple procedure and is easily done on a workbench. Join facebook to connect with controlled induction and others you may know. That new toolyour new secret weaponis the new summit racing cam timing calculator. Computer program to measure cam profiles camshaft profiles by hand, or analyze graph and report several. Cam design and analysis programs camshaft calculations.

Aug 07, 2012 the camshaft is often referred to as the heart or the brain of a performance engine. They have to meet much tougher corporate average fuel economy requirements in the years ahead, and one of the ways of accomplishing that is to replace v8 and v6 engines with. In this study, the effects of modifying the restrictor design, intake runner length, intake camshaft profile, exhaust geometry, and silencer design were measured using a transient dynamometer. This revolutionary new cam design program is so computation and memory.

To allow more airflow into your engine, a camshaft is designed with a profile or curve that provides a specific amount lift to the valve. Howards cams recommendation form for custom cam design. Professional cam and perfect cam software to design the. Ingram engineering cam profile designs is a custom cam profile design service for camshaft grinders, engine builders, and anyone needing a specific cam profile design. Our custom cam designs have powered winners in almost every form of racing you can think of. Custom camshaft design engineering andrews products. It took experience with the software coupled with dyno testing to become highly confident that what was designed on the. Isky racing camshaft design secrets chevy high performance. The original 34 race cams are the forerunners of todays streetperformance grinds. Crower has been designing and grinding hotstreet and cuttingedge full race profiles for over 50 years. We would normally recommend that you use specialist software for the design of engine camshaft because there are special requirements for valve timing cams. Howards cams recommendation form for custom camshaft design by michael johnson august 06, 2015 with any powerful engine, the camshaft holds the key to making poweror not making power. Understanding camshafts camshaft basics camshaft design.

Chevrolet 396502 mark iv ibeam howards cams ud63852200. The term likely originated in the 50s as the burgeoning hotrod industry was modifying ford flatheads to drag race on airport runways and attempt topspeed runs on dry lake beds. And camshaft guys are really secretive about how they. In game, time advances at the pace the player chooses and pauses automatically for events and occurrences. Camshaft basics from the february, 2009 issue of chevy high performance by bob mehlhoff. As with their solid flat tappet camshaft cousins, they are noisier than hydraulic camshaft. We use high rocker ratios very effectively with profiles designed around them, but they are not an effective cureall for every profile. Ability to show comparison cam shape lift, velocity, accelleration and jerk on the design page. Jan 24, 2015 net valve lift is a function of camshaft lobe lift and rocker arm ratio. Camshafts aftermarket high performance cams racing cams.

Controlled induction cam design selection software the. Camshaft selection and design engine builder magazine. Manufacturing files andor master cams can be provided for new designs. Camshaft technology andrews products is a one stop shop for camshaft design, software and related technical training to support your complete development process from basic designs to finished parts. Camshafts are the most critical part of your engines performance. Engine builder professional is an easy to use engine building software tool for 8, 6, 4, 10 and 12 cylinder engines. Consulting, cam design, engine and cam design software. This calculator will help you rapidly determine the perfect camshaft for your application. Camshaft math to design competitive performance engines.