I am inclined to go with the torque/fuel economy package in Mace's attached 'knowledge base" as predominantly the majority of my driving on my VY V6 ecotec is cruising at 100kph on the highway, although I would also like to install the 1.90 ratio rockers
Posted by MACE Support on 30 April 2018 11:32 AM
While the 1.9:1 rockers won’t change torque in the low rev range at WOT (wide open throttle) they will improve torque in the low rev range under part throttle. This results in greater drivability in the low rev range, coupled with the great gains in the mid to high range under WOT

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