050' number when your cam is a brand like Comp Cams which typically only provides you with an IVC. You need a couple of measurements that are not easy to get in order to calculate your. This calculator is useful for finding out your IVC. 050' lift by inputting intake & exhaust duration. If the altitude in the area where you normally drive is significantly higher than sea level, then your compression ratios will also vary. Camshaft Valve Timing Degrees Calculator Find out your camshaft's valve timing events. So if you have Explorer, install Netscape 3.0 or above instead.14.7 = PSI at sea level CR = Engine Compression RatioĪltitude plays an important role in determining compression ratios. I found Microsoft Internet Explorer, a nice piece ofįree software from almost every net provider, does not support Java in Version 2.0 Have received notes from several who have been very successful, also. To run at home, but from the library and from work I have had no problems. CALCULATOR Crankshaft stroke length Connecting Rod Length Head gasket compressed thickness Deck Height Piston to Deck Combustion chamber volume Bore. I know that I have not had the luck of getting them Note: For pistons BELOW the block TDC - value in box must be a POSITIVE number (.000) Note: For pistons ABOVE the block TDC - value in box must be a NEGATIVE number (-.000) Note: For a DISH piston - value in box must be a POSITIVE number (0. I have received several notes about this page. Compression Calculator Instructions: Enter a value in the un-shaded boxes below as they pertain to your engine. Return to Procrastination Racing Home Pageĭoc's Home Pages - Vettes, Racing, Route 66, more In other words, it is the ratio between the volume of. In plain, simple language, don't copy any of this. The compression ratio of an engine is the ratio between the swept volume and the compressed volume. Use of this material is protected by the copyright laws of the United States of America. The ratio of the feed zone channel depth to the meter zone channel depth, referred to as compression ratio, typically ranges from 1.5:1 to 4.5:1 for most. 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. Diskette contains software ONLY by DTS Software.Ĭomments to Doc | Return to VetteNet Home Page | Stegath CoachcraftĬopyright © 1996-1998 VetteNet and all authors as listed. Free Engine Piston Compression Ratio Calculator and Engine Size Calculator. Original Java Script by Stegath Coachcraft and modified to accept original DTS Software Programming. A Beta version is available for download as a demo. At $5, this is cheaper than most "free" shareware programs.ĭOWNLOAD FREE for a short time only Download Perform for DOSĪ Windows version is almost ready. PC versions only, no Mac available.įor those worried this is a commercial item, don't. Or you can mail $4 and a diskette with return envelope and postage. If you are interested, this program and more are on a disk called "PERFORM - The Performance Calculator". This calculator requires a JavaScript compatible browser.įill in either SAE or Metric values by double clicking on "number".
Enter your bore and stroke, the distance from the top of the exhaust port to the top of the barrel. (Note that BCT is not stacking strength, which is the maximum load a box can handle throughout the distribution cycle. Corrected and uncorrected compression ratios calculator. Program Last Updated Decem/ Page Updated 2/2002Ĭopyright © 1996-2002 VetteNet and all authors as listed. Box Compression Test (BCT) Strength Estimates the BCT of a regular slotted container (RSC) for a moment with flutes positioned vertically.
By Mike "Doc" Cobine - Procrastination Racing