Bad Ass Racing, located in Sonoma, CA, is a renowned source for free performance car and engine tech tips, how-to videos, and photo galleries. Founded by retired expert builder Arron Johnson, the shop boasts over 30 years of experience in crafting race-winning and show-winning cars and engines.
With a reputation for creating some of the most powerful and reliable street and race engines, Bad Ass Racing has served clients across all 50 states and 14 countries worldwide. Visitors can access a wealth of knowledge and expertise through the shop's free tech tips section, designed to help enthusiasts optimize their car's performance and avoid costly mistakes.
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