Typically the increase in fuel pressure, related to intake vacuum, is only 4 to 10 psi. I have thought for years that that was to compensate for the...
I do not know the definitive answer to your question, but my my reasoning if either parameter is met it transitions. That means at 45 miles an hour,...
Hi i received the new prom chip on Monday but i have not had time to install it yet. Wheather been shitty, i will probably install it this Saturday....