Single Turbo '65 Valiant Build

The A/R of 1.32 seems huge, that may be a laggy turbo on a low revving teen. Its also pretty friggin big! Smaller turbos will generate boost at lower RPM's while huge turbos will be all top end. Diesel turbos are usually oversized because diesel motors run at lower RPM's but have serious exhaust volume where gas motors have velocity and tend to be smaller due to the higher spooling from the velocity. So in a nutshell, a diesel turbo (large A/R opposed to the size) will be laggy on a car, and a car turbo with a small A/R will spool like crazy on a diesel but will not make much power and will probably overspool out of its efficient range and make super heated air that will detonate. Using a turbo you have to mate to a motor you have is going to be rough. Ideally you want to purchase the turbo after you build the motor and input as much info into a turbo size calculator as possible. Youll be suprised on what it recommends, usually on the perceived 'dinky' side at that. Size does matter.