Question: What are the benefits of cold and hot air intakes and what does the intake manifold do? Lastly, how should I change (if at all) my exhaust system? ANSWER...

Question from our reader Al: Can running a cup of Aviation fuel in 5 gallons Regular pump gas, using a 350 4 bolt main in our dirt track stock car boost the octane level, and in turn power? And will any possible damage occur? Answer...

Question:  How important are tires to handling  and how what about tire pressure?  Answer...

Winter Tires: Should I stay with my summer performance tires during the winter?  Would an all-season tire suffice and what kind of winter tire should I get? Drew Wikstrom answers all..

Question: What is traction control? Answer...

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Question:  What is nitrous and will it make my car go faster? Answer...

Question: How do I quicken my ET at this weekend's race?  Answer...

Question:  Why do race cars use different fuels? Answer...

Question:  Why are racers on such a quest for weight reduction? Answer...

Question: What is aerodynamics and how important are they to a race car? Answer ...

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