Dec 12, 2006 · If I were to run a G4CS crank w/ 9:1 compression ratio JE pistons (rated w/ stock 4g63 stroke), what would I be looking at for compression? I had a flywheel bolt back out of the crank, …

Sep 19, 2007 · This increases the pressure and it increases the compression ratio. Compression ratio is the measure of the cylinder volume and the head volume compared to just the head volume. Since …

Aug 22, 2012 · Replies 3 Views 2K Sep 27, 2008 TunaTalon How do I calculate Compression Ratio 4G63 Stroker duke52 Dec 12, 2006 Stroker Tech Replies 1 Views 5K Dec 12, 2006

Feb 9, 2019 · So what I'm trying to do right now is calculate my compression ratio. I built the hell out of my 420a back in November-January. And I know it's a fairly high compression engine, just wanting to …

Sep 21, 2015 · There isn't a fuel that likes more compression than others, all fuels respond the same way, more compression = faster flame speed = increased thermal efficiency. The ethanol works with …

Oct 25, 2013 · My engine has a calculate compression of 11.5:1. My friend engine has a calculate value of 12.7-13:1. My engine is a 2.0l. My friend engine is a 2.4l. I engine compression test 245psi and his …

Nov 20, 2002 · If you run through the math, you find that while an increase in compression efficiency does lower the compressor outlet temperature, its not that big of a gain. The outlet temperature is …

Aug 7, 2003 · And if you're trying to get new numbers for a compression check: P1 = reference pressure (like the 133psi service limit stock) V1 = reference volume of compressed air (58.74cc stock) P2 = …

May 1, 2009 · You can calculate compression ratio from compression numbers. The engine looks nearly new, so by doing a compression test you should be able to tell which pistons he used.

Mar 24, 2005 · I got parts ready to install in mt '90 talon AWD 4G63T. :shhh:mugan intake msd dis-2 fmic duel valve springs w/ valves 750cc injectors cam gears stock cams and crank barring and …