![]() ![]() For instance, if you have a 64cc chamber and a head gasket displacement of 9.2 ccs, then in the "Head" ccs field enter "73.2". Then combine the gasket displacement ccs with the "Head" ccs. To enter head gasket displacement volume, in the "Gasket Thickness" field enter ".0001". If you have the actual displacement in ccs of the exact head gasket you are using, you can get an even more accurate compression calculation by using those figures. ![]() This tool is a very accurate tool and can be tremendously helpful. You can change the head ccs, deck height, overbore size, etc. Use this compression calculator tool to figure the compression you will get with the specifications you provide. Ratio Calculator and Engine Size Calculator We strongly endorse this product if you are serious about improving your vehicles performance and your success at the track. Universal for or use to do any mathematical calculations related to engine performance and vehicle E.T. Easy to use, self contained, no additional computer or monitors required (accurate weather data required for some ET calculations) Hand held, take it anywhere, and includes protective Armadillo case at no additional charge. Quick reference guide with 100s of formulas included for ease of use. Pre-programmed formulas for engine building and track tuning. This is the chance to know up front how changes will translate into power and performance, so before you spend your time or money, use the Hot Rod Calc to get the answers. Hot Rod Calculator - Street and Strip performance calculator for use by racers, engine builders and automotive enthusiasts. At the track, see how things like gear ratio changes or weather conditions can effect your E.T. Easy to use formulas for the professional or novice will show you how engine changes like compression ratio and air fuel mixture effect your engine's power and torque outputs. The Hot Rod Calculator allows easy, on the spot, calculations of how engine modifications and at track vehicle setup changes can effect power output and track performance. On the spot calculations of how engine modifications effect the vehicle setup.Pre-programmed formulas for engine building and track tuning.It covers a huge range of calculations that are important to gearheads, everything from engine compression ration calculations to rear end gear ratio and tire size affects on rpm and mph. This is also a great tool to use in the garage, trailer or on the road. ![]() Predict Elapsed Time and top speed for 1/4 mile or 1/8 mile runs. Gasket Hot Rod Calculator INSTANT ANSWERS AT THE TRACK or IN THE GARAGEĪt the track, see how weather and elevation will affect your times so you can instantly predict your dial-ins using current track conditions. If there is other information you would like to see here please contact us and we will do our best to add the resources you need. Please feel free to use these tools, bookmark this page for future use, and post links to this page for others to use. We are pleased to share these helpful tools with our valued customers and guests. High Performance starts with math, precise measurements and calculations. Pumping losses are caused by pressure working against the piston when it’s on the upstroke after BDC.įor a better understanding of the how’s and why’s behind tweaking individual valve events, check out this video which will help guide you on the path to mastering cam timing.Free Horsepower Calculator Compression Ratio Calculator Race Math Formulas and Racing Math Resources Opening too early before BDC decreases pressure on the piston that could be used to turn the crank, but reduces pumping losses. It helps rid the cylinder of burnt gasses, but it’s a compromise. This is the least critical of the four events due to high residual cylinder pressure blasting out of the cylinder even before the piston hits BDC. This is the second component in overlap and is a compromise between reversion at low rpm and part throttle and the positive effects of scavenging higher in the power band and WOT. The idle gets rougher when we open the valve earlier BTDC, but we net more airflow on the intake stroke. This is the first component in overlap and the most important to idle quality. We trade low-end torque for high-end horsepower when we close the intake valve later after BDC. This event has the most control over the powerband. Here’s a quick recap of the four events in order of importance: 1. This is especially important for cars with electronic injection which are dependent on idle vacuum to run correctly. In previous articles, we’ve talked about the importance of Considering Individual Timing Events When Choosing a Cam to help us determine the duration, lobe separation and advance needed. … Understanding the 4 Key Individual Timing Events for Camshaft Selection
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