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Old 01-05-2011, 11:12 AM
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Join Date: Mar 2010
Location: Egg Harbor Township, NJ
Posts: 72
Dynolicious App Acurate?

I am posting this here because I feel it fits the "Performance" title. I installed this app on my iTouch and it seems to work well. I'm just not sold on it being acurate to 100%. My '87 300D runs pretty well but I didn't think it was capable of 9.8 second 0-60 times. The app shows 137rwhp which translates to 171 sae net hp. (assuming a 20% drive line loss). I know I've seen some others post using this app, just wondering what the opinion general opinion is. Graphs look pretty cool.

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Old 01-05-2011, 06:04 PM
Join Date: Jan 2011
Location: Colorado
Posts: 474
I've used it a few times and its accurate enough for the casual user.
Actual dyno tests on my car showed power to be above what was shown by dynolicious. (120whp dyno vs 100whp dynolicious)

If you want something thats more accurate you need a tool thats GPS based. The iPhone/iPodT accelerometer is heavily influenced by suspension flex, so a car with bad shocks will show as more powerful than one with new shocks.
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Old 02-16-2011, 10:47 AM
Alex300DT's Avatar
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Join Date: Jan 2011
Location: San Antonio
Posts: 48
It also relies on how accurate the weight of the car you set in the app. Go to a truck stop with a scale and get your car weighed, then just add yourself to it, and run the tests, ive gotten as low +-3% difference between dyno and dyno app.
The condition of the suspension doesn't matter if you go in a straight line because the total work measured by the accelerometer by the end of the run would be the same (unless you are getting nasty wheel-hop).
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Old 02-16-2011, 06:35 PM
winmutt's Avatar
85 300D 4spd+tow+h4
Join Date: Apr 2006
Location: Atl Gawga
Posts: 9,332
Assuming you have a good mount.

1987 300D Sturmmachine
1991 300D Nearly Perfect
1994 E320 Cabriolet
1995 E320 Touring
2001 Eurovan FOR SALE
1985 300D car, sold and missed.
OBK #42
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