performancechipsdirect.com offers an easy to install chip that alters fuel/air ratios, check it out and give me your opinion, fuel efficiency is my main concern and if i can do 2 things to my engine that will add 2-6 more miles per gallon each then in the long run it will add up. also the "tornado" air intake fan. it simply sits inside the intake hose and cause the air to circulate on its way into the engine. Do they work?
The chip, possibly. The fan, do you still believe in the tooth fairy? These fans were touted back in the day of the carbs. According to the makers they were spun by the incoming air which caused more air to be drawn in which caused them to spin faster which caused more air to be drawn in ad nauseum. There is no free lunch and the fans are a gyp. A properly engineered chip could, possibly, improve your gas mileage but it could also cause damage or worse, and may, if you still have such, negate your warranty.
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