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post #1 of 4 (permalink) Old 05-14-2010, 06:56 AM Thread Starter
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Iphone PocketDyno

Not trying to promote anything, just curious if anyone has tried this, or any other iPhone dyno tool. Personally, I downloaded the Free App, just to try it out, and I think it's pretty accurate. My Stock 4.6l 97 Bird, showed about a 15.2-15.3 1/4 mile at about 93-94 mph.
Anyone else have any experience with this or other iPhone Apps?

'97 4.6l. Air silencer gone, PI Intake, Eibach Springs, Clear Corners, Silver Saleen Speedstar Wheels,FR500 Steering Wheel. I'm happy.
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post #2 of 4 (permalink) Old 05-14-2010, 01:36 PM
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thats funny. how does it work? and what did it say for your hp and tq numbers?

-Patrick
[email protected] on used street tires
See profile for full list of mods

Pics here.. http://forums.tccoa.com/showthread.php?t=129479
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post #3 of 4 (permalink) Old 05-14-2010, 01:39 PM
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Quote:
Originally Posted by d00mbuggy View Post
Not trying to promote anything, just curious if anyone has tried this, or any other iPhone dyno tool. Personally, I downloaded the Free App, just to try it out, and I think it's pretty accurate. My Stock 4.6l 97 Bird, showed about a 15.2-15.3 1/4 mile at about 93-94 mph.
Anyone else have any experience with this or other iPhone Apps?
My Stock 97 4.6 ran 16.14 in the qtr mile when it was stock.

1997 Ford Thunderbird 4.6 Sport .

60'...... 2.06
1/8th .. 9.194
mph .... 77.13

mods*
PI heads *PI intake*Mark VIII torque converter*Cobra T-loc w\4.10's * Jmod*tranny fluid cooler*P&P stock T/B & plenum*UD pulleys* Dynotech 4in ds*80mm Lightning maf*Xcal2*02 GT intake tube.
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post #4 of 4 (permalink) Old 05-15-2010, 11:22 PM Thread Starter
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The iPhone 3GS has a built in accelerometer and GPS.The Accelerometer measures acceleration, g-force, which is what this app uses, along with the GPS, to apparently, pretty accurately calculate 1/4 mile speed & time, along with rear wheel HP, 0-60, and several other things. It does have to be calibrated first, by running a quick built in cal. set up. then you input stuff like vehicle weight with all passengers weight included, tire & rim size, mods, etc. Not sure how accurate it is, but it's fun for a free app! Also, my car's not totally stock, it does have a K&N and air silencer removed, so that helps a little. There are also videos on YouTube of this thing in action (other cars, not mine).
Here's pics of my results right off my phone screen:


'97 4.6l. Air silencer gone, PI Intake, Eibach Springs, Clear Corners, Silver Saleen Speedstar Wheels,FR500 Steering Wheel. I'm happy.

Last edited by d00mbuggy; 05-15-2010 at 11:29 PM.
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