The more efficient the chamber and port design, the less time you need for combustion (meaning, less ign advance), the less negative torque that will be created, and the less heat that will be lost to the cooling system.
All adds up to more fuel efficiency.
Parts I seek:
driver doorpanel, 65 Sport Fury, prefer black, needs to be 7-8 on 10 scale, might buy set
16" x 6" Dodge truck wheel(s), from early 70s?, takes 9" dogdish - need for a research job so cheaper is better.
69-73 C-body caliper brackets and/or splashields
Send a PM.
