Conversation so far:
what size turbo does a 6.7 cummins have
The 6.7 L common rail Cummins diesel turbocharger engine uses a Variable Geometry Turbocharger.
when did dodge trucks start using the 6.7 L common rail cummings diesel turbocharger engine
In 2007, Dodge trucks began using the 6.7L common rail Cummins diesel turbocharger engine
do the vanes on the 6.7 l cummins pivot
In the Cummins 6.7L Diesel Turbocharger, the vanes do not pivot

Question: what does water cooling do
Self-contained rewrite: what does water cooling do for the vgt actuator on the 6.7L