RE: Maz is your guinea pig
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RE: Maz is your guinea pig - 7/1/2008 8:16:30 AM
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Thermo
Posts: 311
Joined: 5/17/2008
Status: online
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jvegas, if you drive easy in the car, you may actually having the car shift too soon and it is never getting into the power band/efficiency band. BY leaving the sport mode on all the time, you are telling the car you want the shift points raised, therefore pulling you into the power band. As a general rule, I have found that most vehicles get their best mileage by looking at where the redline is for the motor and then depressing the gas pedal hard enough that as the engine reaches 50% of the redline, the tranny shifts (never moving your foot). So, with our cars, that would mean that you will want to have the tranny shift at just above 3,000 RPM. Try it for a bit. You might be surprised with the results.
Along this same lines, have any of you played with the intake/throttle body and cleaned up the rough edges to allow the air to flow easier through these parts? I know that most of the gain is going to be under wide open throttle, but if some gain can be had under even partial throttle, I''m game. I have all the tools to polish the inside of the intake. Kinda curious. Granted, if I can get a few extra ponies at WOT for the "fun times", then all that much better. I did this on my truck and it seemed to help some. Even managed to help with some of the low end too.
As for the tornado piece, I don''t see it gaining you anything. the whole concept behind the piece is that it spins the air forcing it to mix with the gas more. That is all fine and dandy if you have a straight tube between where the tornado piece is and the cylinder. But, look at how many bends the intake makes between the throttle body and the motor. For every bend of 90 degrees, you loose like 80% of the spinning action. Guys with Ford trucks have actually dyno''ed their trucks with these pieces in and they actually lost power as measured by the dyno. It wasn''t a large loss, but it actually hindered, not helped.
Chris "Thermo" Coleman and Nukie, the radioactive 97 X
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