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SVTPerformance's Chain of Restaurants
A Taste of Home
West
Where to get tuning checked??
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<blockquote data-quote="C Weil" data-source="post: 2142836" data-attributes="member: 20065"><p>You can go to all dyno's to do the same thing, which is tune the car by way of the air/fuel ratio (which is really the only accurate way to tune EFI cars). In any of the cases, you're essentially tuning the car to achieve a safe a/f ratio across the board and to get the most horsepower out of the engine safely.</p><p></p><p>What he was saying is basically refering to the fact that Mustang dynos will show lower numbers than dynojets in terms of horsepower/torque. This does not mean you need to take it to two dynos or that something is wrong, it's just a difference in how they work. The Mustang dyno imposes a real world load on the car, using it's weight and simulating things like air drag, elevation, ground gradient, etc to measure torque, whereas dynojets just measure acceleration and use that to CALCULATE horsepower. Mustang dynos are much more effective because they simulate it as it would be on the streets. </p><p></p><p>What he was referring to is, if all you want to see are (unnaturally) high HP and TQ numbers, then go to a dynojet. Mustang dyno's are way better for actual tuning, by far, imo. </p><p></p><p>Besides, with dynojets, ALL you can tune is wide-open throttle, because the car has to be accelerating for it to calculate anything. With the Mustang dyno, you can do idle tuning, part throttle (at various speeds/gears/rpms), and of course wide-open throttle. If you are concerning about driveability and gas mileage, then the ability to tune light load/part throttle conditions would be reason enough to use a Mustang dyno, as that is where the majority of cruising/driving takes place. </p><p></p><p>Basically though, all you need to know is you only need to go to one. Unless you're just looking for pretty numbers to show everyone, Mustang dyno's are the way to go, imo.</p></blockquote><p></p>
[QUOTE="C Weil, post: 2142836, member: 20065"] You can go to all dyno's to do the same thing, which is tune the car by way of the air/fuel ratio (which is really the only accurate way to tune EFI cars). In any of the cases, you're essentially tuning the car to achieve a safe a/f ratio across the board and to get the most horsepower out of the engine safely. What he was saying is basically refering to the fact that Mustang dynos will show lower numbers than dynojets in terms of horsepower/torque. This does not mean you need to take it to two dynos or that something is wrong, it's just a difference in how they work. The Mustang dyno imposes a real world load on the car, using it's weight and simulating things like air drag, elevation, ground gradient, etc to measure torque, whereas dynojets just measure acceleration and use that to CALCULATE horsepower. Mustang dynos are much more effective because they simulate it as it would be on the streets. What he was referring to is, if all you want to see are (unnaturally) high HP and TQ numbers, then go to a dynojet. Mustang dyno's are way better for actual tuning, by far, imo. Besides, with dynojets, ALL you can tune is wide-open throttle, because the car has to be accelerating for it to calculate anything. With the Mustang dyno, you can do idle tuning, part throttle (at various speeds/gears/rpms), and of course wide-open throttle. If you are concerning about driveability and gas mileage, then the ability to tune light load/part throttle conditions would be reason enough to use a Mustang dyno, as that is where the majority of cruising/driving takes place. Basically though, all you need to know is you only need to go to one. Unless you're just looking for pretty numbers to show everyone, Mustang dyno's are the way to go, imo. [/QUOTE]
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SVTPerformance's Chain of Restaurants
A Taste of Home
West
Where to get tuning checked??
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