Originally Posted By Satilite73

Are you trying to make a slow truck? 3.9's get about the same MPG as a 5.2.

Also, it's getting to the point even stock replacement parts for the 3.9 are drying up.

twocents


He wants to go the other way, 3.9L to 5.9L.

1970 Dodge d100/eventually going on a 77 D100 frame