Topic: What Is Backpressure on a Car
Not finding your answer? Try searching the web for What Is Backpressure on a Car
Answers to Common Questions
Why do car engines NEED backpressure?
LeAnne and Mikey: Engines don't NEED backpressure, but it helps in certain circumstances. With a wide open exhaust, such as a drag race engine, any exhaust restriction will hurt power at max rpm's. You rarely see mufflers on drag race cars.... Read More »
Source: http://answers.yahoo.com/question/index?qid=20090204115604AATEK51
Why does a car need backpressure to make more horsepower?
http://www.flowmastermufflers.com/backpr… Search google next time. But here, think about it this way. Let's say, you can benchpress 100 lbs. Then, you decide to go back down to 50 lbs. You're not working hard anymore, are you? You're not ge... Read More »
Source: http://answers.yahoo.com/question/index?qid=20090104164314AAGutZm
How come drag car run open headers when low backpressure lowers c...
Low backpressure does not lower compression. Exhaust backpressure causes a small percentage of the exhaust gases in the cylinder to remain after the exhaust valve closes. The engines fuel management (or carburetor) is calibrated leaner (les... Read More »
Source: http://answers.yahoo.com/question/index?qid=20090104180105AA9rHCr
More Common Questions
Answers to Other Common Questions
Read this article for more information. http://www.hondalife.com/articles/backpressure.htm
Read More »
Source: http://www.imoc.co.uk/technical/faq/general.htm
