Apr 25, 2010 #1 E enrodude Member Joined Feb 21, 2008 Messages 37 Reaction score 0 Points 6 I have a 67 Impala with a 350 crate engine. It currently has a TH350 auto transmission but I want to change it to a 700R4 transmission for the extra gear. Think its a wise choice for my car to save cash on gas for it to be less thirsty?
I have a 67 Impala with a 350 crate engine. It currently has a TH350 auto transmission but I want to change it to a 700R4 transmission for the extra gear. Think its a wise choice for my car to save cash on gas for it to be less thirsty?