A Dodge Challenger from 1974

The only difference between a 1970 and 1974 Dodge Challenger is in the grill. Simply put, a 1970 model year provided Hemi-powered 

street-terror performance, while a 1974 model year model was better suited for postal delivery. The 426s, 440s, and even the 383s were no 

longer available for the last year of the first-gen Challengers, leaving just the 360ci as the top engine choice. A Hellephant is a logical swap

for a '74 both because it was a poor version of a once formidable vehicle that sorely needs a speed improvement, and because it's a 

Mopar. While MotorTrend did a contemporary 5.7-liter Hemi swap in a 1974 Challenger that was desperately in need of extra power,