M MustangLife Active Member Jan 5, 2003 1,285 0 36 Chattanooga, TN Jun 20, 2004 #1 Jun 20, 2004 #1 Just wondering if anybody is using the KB boost a spark on there n/a 4.6's. They have a boost a spark for a/c and n/a applications. I'm curious if theres any gains in there for a n/a car. Josh
Just wondering if anybody is using the KB boost a spark on there n/a 4.6's. They have a boost a spark for a/c and n/a applications. I'm curious if theres any gains in there for a n/a car. Josh