Originally Posted by
cory NA or turbo. You run the largest gap you can until you start to run into issues. Obviously you'll need to close the gap as you raise boost level..
thats a given, it also depends on your ignition set-up, say a dude with an msd blaster coil, magnecor wires, and a msd ignition box. He can run a wider gap than another guy with the stock set-up.