Alternative Fuels

You both make valid points, and the input is appreciated. For my purposes, a shorter cam with high 10's or 11:1 compression sounds like the way to go, you two arent that far apart on your opinions there. Since fuel efficiency at very low cruise rpm is a desired result, I wonder if going bigger with ...

storm, Thanks for the info, sounds like you know your stuff! Anyone else care to chime in on the maximum CR you've used sucessfullly? gottago Thought you might find this! Super-appreciate your input on the other site. I had actually forgotten about this site, but there seemed to be a bit of activity...

Hey everyone. First post to this sight. My question pertains to a safe maximum CR for a propane engine build. I understand that cam choice factors in heavily. No doubt other things have a bearing too, such as quench. I built, and drove for several years, a 396 that had 10.25 cr, and a short 204/216 ...