"Monster truck" is a loose term, but i would have to go with the shelby.
1967 Shelby GT350 base price:4,195 Retail:3,995 1967 Shelby GT500 base price:4,395 Retail:4,195 1967 Shelby Super Snake base price:7,500
Yes it sure is faster:)GO FORD(:
About $6000
well it all depends on wat motor you have in the car?