General Mustang Tech
Trying to figure out why I am getting such horrible gas mileage guys. 1983 Mustang, T-top hatchback.
Engine Combo: 1990 Longblock with 30K original. Heads rebuilt with decent 3 angle valve job. Ford 1.6 roller rockers, E303 cam (yes, its a garbage cam), BBK equal length 1-5/8" chrome...