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To: Ali Chen who wrote (56851)	10/2/2001 12:36:21 PM
From: pgerassi	Read Replies (1) \| Respond to of 275872

Dear Ali: Evidently you have never heard of the dynamometer! There are many car tuning shops with one. It takes it to prove to someone that what you did to their engine, did in fact improve power output or increase torque in the requested range. There are manufacturers of these units here in Milwaukee. There are also shops that have them. If you want to know where one is near you, talk to some racers. The better ones will tell you where you can find one. Pete

To: Ali Chen who wrote (56851)	10/2/2001 12:56:05 PM
From: Milan Shah	Read Replies (2) \| Respond to of 275872

Funny thing, since nor customer nor even a sophisticated dealership or tuneup shop have no means to actually measure those HP. Yet everyone believe in it. Actually, I think when it comes to autos, these kinds of figures are very well protected by the courts and either consumer protection groups or the government itself. I believe recently, the latest Mazda Miata was introduced with the claim that there was a 15hp boost in the engine, whereas all measurements indicated a 5-10hp loss. Mazda was sued etc., and was forced to make an offer whereby consumers could go so far as return the car for a refund in some cases. By making it almost fatal for auto companies to mislead the public, these numbers have a lot of teeth to them. Milan

To: Ali Chen who wrote (56851)	10/2/2001 1:49:38 PM
From: Charles Gryba	Read Replies (1) \| Respond to of 275872

Car buff magazines sometimes actually measure hp on dyno's or thru 0-60 times. There are formulas to derive HP from 0-60 or 1/4 mile times and vehicle weight and differential ratios. Constantine p.s. The average Joe just goes by what the manufacturer says. Sometimes the manufacturers get caught as was the case with Ford and the Mustang Cobra that wasn't any faster than the regular Mustang GT so the mags went out and dyno'ed them and it turned out that there was something wrong in those Cobras which Ford fixed/replaced parts for the next year's model.