It depends on what was done in the tune up but you should make sure that the spark plugs have the correct gap, and then check that the timing is correct.
in the ecu
Most are rated at 3,000 to 3,500
3.9L V6, 5.2L V8, or 5.9L V8
inside frame rail under driver door
Drop the fuel tank
Down the bottom right of the engine bay!!
Yes
The 1988 F-150 doesn't have a master air flow sensor.
The 150 mph Dodge Viper might be the Dodge Viper GTS or the RT/10. The top speed of a normal Dodge Viper is 195-198 mph.
No
A dodge chargers top speed is 150 mph.
No.