Originally Posted by
underway
I dont waste to much time with break in on the VSPEC. I run a full tank through it wide open but really really really rich. Then put a race tune on it and go... No problems doing 2 regular vspec and a Speed this way.... If you spend to much fuel on break in, the motor will be worn out by the time you get to racing.
How much mileage do you get out of an engine using this break in tech? 5 gal or 6 or so??