During one of our never-ending technical discussions, Jim Grubbs at Jim Grubbs Motorsports (JGM) suggested that we take a look at the flow difference between 30- and 45-degree valve seats. While ...
The other day I got into an esoteric conversation with Joe Sherman, Orange County's (California) leading purveyor of stealthy smallblocks. The discussion ended up on rod talk—as in rod angle, rod ...