Originally Posted by danimal92sport
As a mechanical engineer who has done DOE funded engine research and now works for a leading diesel engine company, I've done my research, thank you. Hemis haven't been around for 25+ years because new combution chamber designs have been created that make more power and create lower harmful emissions.
Where did you do your research?
"Hemi" CC's have been around since the early 1900's. Alfa Romeo, and Daimler are a couple of the first manufactures to put them in a vehicle. The only reason that Chrysler/Dodge brag about it, is because they threw a copy write on the name. All modern CC designs are based on a hemispherical CC.
Here is a little bit of trivia......What was teh first item to use a hemispherical combustion chamber?