How a HEMI really works
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From: Kentucky
How a HEMI really works
I posted this link in another thread but thought I would provide it's own topic also. For those of you that have always wondered and never knew, click on this link to find out about the HEMI. Pretty cool info, just keep clicking "next page" as you make it to the bottom.
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From: Kentucky
RE: How a HEMI really works
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RE: How a HEMI really works
Good site, just one problem. They claim that a HEMI cannot have 4 valves per cylinder. This completely false. It was done by Chrysler. Take a look (toward the bottom of the page). http://www.allpar.com/mopar/hemi/hemi.html Thanks for sharing site, though.
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From: Kentucky
RE: How a HEMI really works
One thing that a hemispherical head will never have is four valves per cylinder. The valve angles would be so crazy that the head would be nearly impossible to design. Having only two valves per cylinder is not an issue in drag racing or NASCAR because racing engines are limited to two valves per cylinder in these categories. But on the street, four slightly smaller valves let an engine breathe easier than two large valves. Modern engines use a pentroof design to accommodate four valves.
Thanks for the link.
