Just thought I'd drop by and answer a few of your questions here....
First, it *does* matter if it's a speed-density system or a mass airflow system vehicle, it's a *big* difference! Each Superchip is programmed for each specific vehicle, so you get a program that is properly designed and fully optimized for *your* vehicle, and not compromised to run on all similar vehicles. In other wrods,. we don't make just one chip for all 1992 5.0 automatic F-150's, but instead make about 14 different programs for that one vehicle alone! Now, from a standpoint of whether or not a Superchip is *available*, yes, they are available for both speed-density as well as the newer mass-air vehicles.
And yes, you *must* use premium gasoline when running the Superchip. The idea here is to tune the engine specifically for the use of premium gas, and that gets considerably more power from the engine, typically increases of about 10%-12% more horsepower, and 15%-189% more torque, on most normally aspirated (meaning not supercharged or turbocharged) engines.
One of the by-products of this tuning in the Superchip is the fact that anytime you're not using heavy throttle, you'll see better gas mileage. On average, the V-8 F-150's tend to get about 1.5 - 2.0 more mpg. Keep in mind that the extra gas mileage is going to depend omn how you drive the vehicle, so if you use a lot of heavy throttle, you may not see much of a gain there.
IF any of you would like to go over the Superhcip in any aspect in greater detail, please feel free to give us a call, we're happy to provide whatever information you need, so you can give it some thought and decide if it's a product you'd like to try.
Our bests to all,
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Mike Troyer
Performance Products, Inc.
National Distributor of Superchips
(540) 862-9515
Email: mtroyer@compuserve.com
Online Superchip ordering system:http://www.f150online.com/scpp/index.html
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