Bobby Courtwright, Author at Engine Builder Magazine
Racesaver Sprint Car Engine Part 2 – Engine Block Selection and Prep

This is the second in a series of articles about building a competitive sprint car engine that can successfully compete with crate and spec motors at a customer-friendly, business-boosting price point.  GM made many different block castings. For this project the older 2 piece main seal are preferred. There is a list of legal casting

Racesaver Sprint Car Engine Part 1 – Developing the Program

The fastest way to become a millionaire in racing, of course, is to start with two million. Sprint cars are no exception but a gentleman named French Grimes came up with an affordable alternative called Racesaver. His idea was a smaller engine that could be put together by anyone and raced competitively for a number