The Challenger SRT Hellcat is equipped with a supercharged 6.2-liter HEMI V8 motor with 16-valves, a deep-skirt cast-iron block, and aluminum Hemispherical cylinder heads. … It has the same pushrod-operated overhead valvetrain with 16-valves and hydraulic roller lifters.
Does Dodge use pushrod engines?
Dodge does not say that the engine is a pushrod engine. Most of the time in pushrod engines, one cannot have variable valve timing because the pushrods and their timing shaft cant be time adjusted. However, Dodge has figured out a clever engineering way to work VVT into a pushrod engine.
How long will a 6.4 Hemi last?
The maximum mileage you can expect from a 6.4 V8 Hemi is anything in excess of 250 000 miles.
Is the 392 a true Hemi?
“Well, the 392 is the original Hemi”, which I will accept, but not that it’s any better or that the current gen is not “real”.
How much HP can a 6.4 Hemi handle?
you can safely do 7lbs on a 6.4L and 8lbs on the 5.7L, the thing to remember is you dont need a blower to break an engine, excessive abuse and you can break anything!!!!!
Why do Americans still use pushrod engines?
Because of the generally more compact size of an engine of a given displacement, a pushrod engine of given external dimensions can have significantly greater displacement than an OHC engine of the same external size.
Why can’t pushrod engines rev high?
Most pushrod designs feature two valves per cylinder. … Without extra valves, the engine can’t take in enough air at higher rpm and it becomes starved for air. Thus, it can’t rev as high. The number of camshafts and valve timing are the final reasons pushrod engines don’t rev very high.