Knock free

In one of my recent columns I stated that if an engine runs knock free on an 87 octane fuel, using a higher octane fuel will not benefit you in any way. I received several inquiries about whether this was for automobiles or airplanes. Basically it applies to both. Continue Reading »

===> Posted on August 29th, 2011 by Ben Visser. No comments. © GAN 2011.