Small block mileage

Nat said
was 2000.00 when I bought mine , buddy just bought one used for $800.00 Kanadian rubles pesos . It is worth it for just cutting the rev induced headaches IT'S MORE THAN JUST ABOUT MONEY car is a pleasure to drive on the highway , ride is as quiet and smooth as my Strange Rover supercharged POS , And twice as much fun to drive

It is about the money and how one installs it to there transmission. Themselves or via a mechanic which is more money.
Then there is the below….

RustyRatRod said
Yeah but the GV over drive's OD ratio blows chunks, IMO. .78:1. May as well not have an OD.