What are the cons of a Hemi engine?
What are the cons of a Hemi engine? Drawbacks of the HEMI design The biggest flaw with the HEMI engine is that it can only have two valves per cylinder. The top of the chamber is round, so it doesn't have a lot of space to fit more than a few valves. Additionally, these valves won't be able to produce as much airflow as a four-cylinder engine. Is a Hemi engine better than a regular engine? The Hemi engine, by design, does a better job of burning all the fuel in the cylinder. Also, because of its design versus a...