This installment of the Roadkill Extra engine-building series gets a bit theoretical: What is compression ratio, how does it affect engine performance, and how can it be altered? But it’s also very practical, as David Freiburger explains every detail you need to understand in order to use a compression-ratio calculator. Tune in and tune up!
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if you have to ask you’ll never know
*fix glasses
“Thyme to go fix the 4ug fse/fa20”