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aerohead · 04-27-2009, 03:58 PM

I've got a 1962 Dodge pickup with a 225.I put the 4-spd OD trans and 3.50 rear axle from a 1977 model in it and went from 11,to 16 mpg.I did the electric cooling fan and steel radial tires and that got me to 18 mpg.A home-built streamlined nose,front wheel gap fillers,full rear skirts and aero-shell pushed it to 21.5 mpg with a very weak engine.------------ I know of Dodge vans with 318s that got 22 mpg.They might have been stick shift,don't remember.-------------- I put a 18-inch boattail extension on my VW van and picked up 4 mpg.NASA has done this also.If you can deal with the length,it's a no-brainer.A very detailed bellypan should help.With the automatic,you would need to be cautious with a grille block,as you could cook your tranny fluid.

04-27-2009, 03:58 PM	#3 (permalink)
aerohead Master EcoModder Join Date: Jan 2008 Location: Sanger,Texas,U.S.A. Posts: 15,908 Thanks: 23,993 Thanked 7,227 Times in 4,654 Posts	Dodge I've got a 1962 Dodge pickup with a 225.I put the 4-spd OD trans and 3.50 rear axle from a 1977 model in it and went from 11,to 16 mpg.I did the electric cooling fan and steel radial tires and that got me to 18 mpg.A home-built streamlined nose,front wheel gap fillers,full rear skirts and aero-shell pushed it to 21.5 mpg with a very weak engine.------------ I know of Dodge vans with 318s that got 22 mpg.They might have been stick shift,don't remember.-------------- I put a 18-inch boattail extension on my VW van and picked up 4 mpg.NASA has done this also.If you can deal with the length,it's a no-brainer.A very detailed bellypan should help.With the automatic,you would need to be cautious with a grille block,as you could cook your tranny fluid.