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Old 04-14-2001, 09:08 PM
dsantos
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Hi all,

I finally got my Road Dyno. I must say it is very easy to hook up and the software is written very well. Excellent user interface and easy to understand and use.

I am glad I got this instead of the G-Tech. Here is the link if you are interested in reading about it:

http://www.charm.net/~mchaney/roaddyno/index.html

Here are the results for my 1992 400e. The data has been corrected for engine rating with a 20% driveline loss. Of course this is my best run. Interesting that on all of my runs, there is a dip in the torque output around 4k to 4.3k RPM.

All of the runs were done in the late afternoon, so the temp was high here in Raleigh. I'll see if a morning run gets better results.

Each run was done on the same flat road in the same direction. My best 0-60 was 6.3 seconds. Pretty cool what the data will tell you.


92 MB 400e; Superchip, K&N, exhaust

Test Weight: 3950 lb (Car+myself+fuel)
Engine Type: 4 stroke
Tranny Type: A
TC Stall RPM: 1650
Axle Ratio: 2.24
Test Gear: 3.87
Tire Width: 205 mm
Tire Aspect: 60 %
Wheel Diameter: 15 inches
Drag Coeff: 0.32
Frontal Area: 22.00 Ft^2
Drivetrain Loss: .20
Air Temp: 83 F
Rel. Humidity: 58 %
Barometer: 29.93 In
Elevation: 300 Ft

RPM Torque HP
--------------
1400 ---- ----
1500 ---- ----
1600 ---- ----
1700 ---- ----
1800 146 51
1900 151 55
2000 164 63
2100 184 74
2200 207 88
2300 225 99
2400 235 108
2500 239 114
2600 239 119
2700 241 124
2800 245 131
2900 251 139
3000 257 147
3100 264 156
3200 271 165
3300 275 173
3400 277 179
3500 279 186
3600 284 194
3700 291 205
3800 295 214
3900 295 219
4000 289 219
4100 283 220
4200 281 225
4300 287 235
4400 294 247
4500 301 258
4600 303 265
4700 299 268
4800 291 266
4900 285 266
5000 283 269
5100 281 273
5200 280 277
5300 278 281
5400 278 285
5500 275 288
5600 270 288
5700 265 287
5800 256 282
5900 236 264

Maximums:
Torque: 303 lb/ft @ 4600 rpm
Horsepower: 288 hp @ 5500 rpm


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