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 ...
If you hang around cars long enough, you'll come to realize that there are no genuinely new ideas. But given the nature of car crafters and their ability to get engines to leap tall buildings in a ...
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