engine swap suggestions

[1970swinger318]

Ok my dart has a 318 2-barrel but im looking to swap the engine to something bigger and better.Now im looking for some opinions on the most inexpencesive,best running engine out there that will fit in a 70 dart without cutting.340 six pak or a 360 or something else.Thank you

 

[1970Duster]

Price of gas I'd be building that 318 of yours or swap in a new Hemi.

 

[Josecuda]

What is the main use for your Dart? Weekend cruiser? Dragstrip warrior?

 

[1970swinger318]

weekend cruiser josecuda and non-ethanol gas is expensive anyway 1970duster