Quote:
|
Originally Posted by Justin00SS And yet nobody has been able to show where any aftermarket sparkplug performs better (ie- hp gain, mpg gain, et gain) then the stock ones. |
Right here, Granateli did dyno test with stock and then with their set of wires. Showed a 15HP gain on the new Z06. They also have other videos to choose from.
Heres the link:
http://www.granatellimotorsports.com/video12.htm