2011 Lincoln Town Car Air Intake

Jeff K. doesn't just limit his tendencies to the classics. His daily drivers get the special treatment as well. Take his 2015 Mazda6, for example. Among the changes Jeff made was to install a K&N Performance Air Intake kit.

Learn what goes into setting the fuel for your engine and how to change the density altitude, ADR, main pill and high speed pressure to optimize a/f ratio.

Speedway Motors employee Alanna C. talks about the process of tearing down her 1965 Ford Mustang to make room for the Vintage Air A/C kit.