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Well,
The stock VE head flows more than a race ported DET head.
It can rev higher safely due to shaft mounted rocker arms that will never fly off.
You can run larger cam profiles for more top end power without sacrificing low end power due to the VVL.
The entire VE valvetrain is smaller than the DET counterparts and inherently lighter.
Since the solenoid can be switched electronically to enable the VVL you have complete control of the powerband.
IT IS RELIABLE. The VE head will make 1600hp all day pass after pass and not complain a bit, a DET head on the other hand will spit its rockers everywhere once you start to actually abuse it.
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