UPDATE: TexasJim notes: Yes…the shift point redline has been raised to 6800 RPM. It now shifts to 2nd right at 55 mph and it now shifts to 3rd at 88 mph”.
Looking at how TexasJim’s 2006 DTS performed in our original Tests (Session 1) versus in our updated test after tuning (Session 2), I wanted to explore the details on the difference between the Sessions:
Session 1 Runs 1-1 to 1-3: | ||||
Power: | 76.8mph | 9.60s | 624ft | 228hp |
Power: | 47.8mph | 5.02s | 184ft | 238hp |
Power: | 77.5mph | 10.01s | 661ft | 241hp |
Session 2 Runs 2-1 to 2-3: | ||||
Power: | 55.0mph | 5.73s | 248ft | 271hp |
Power: | 54.0mph | 5.67s | 241ft | 269hp |
Power: | 53.9mph | 5.64s | 239ft | 263hp |
The times were not THAT different. But by analyzing the 0-60 times it is clear that the largest margin is all the way up at 50-60 mph times, where the new tune shows a significant hp spike, and is 0.2 sec quicker:
Session | 50-60 mph in sec | ||||
1-1 | 1.68 | ||||
1-2 | 1.79 | Avg: | 1.7 | ||
1-3 | 1.63 | ||||
2-1 | 1.49 | ||||
2-2 | 1.51 | Avg: | 1.5 | Delta: | -0.2 |
2-3 | 1.51 |
Here are analyses of the delta times at various speeds between sessions 1 and 2:
mph | 1-1 | 1-2 | 1-3 | 2-1 | 2-2 | 2-3 |
10 | 0.86 | 0.92 | 0.88 | 0.89 | 0.88 | 0.90 |
20 | 1.76 | 1.89 | 1.78 | 1.78 | 1.8 | 1.81 |
30 | 2.83 | 3.05 | 2.88 | 2.84 | 2.87 | 2.88 |
40 | 3.83 | 4.10 | 3.90 | 3.86 | 3.92 | 3.90 |
50 | 5.00 | 5.42 | 5.17 | 5.06 | 5.16 | 5.15 |
60 | 6.68 | 7.21 | 6.80 | 6.55 | 6.67 | 6.66 |
70 | 8.36 | 9.08 | 8.55 | 8.25 | 8.44 | 8.38 |
80 | 10.24 | 11.29 | 10.53 | 10.18 | 10.48 | 10.37 |
mph | Avg 1 | Avg 2 | Deltas | |||
10 | 0.89 | 0.89 | 0.00 | |||
20 | 1.81 | 1.80 | 0.01 | |||
30 | 2.92 | 2.86 | 0.06 | |||
40 | 3.94 | 3.89 | 0.05 | |||
50 | 5.20 | 5.12 | 0.07 | |||
60 | 6.90 | 6.63 | 0.27 | |||
70 | 8.66 | 8.36 | 0.31 | |||
80 | 10.69 | 10.34 | 0.34 | |||
mph | 1-1 | 1-2 | 1-3 | 2-1 | 2-2 | 2-3 |
0-10 | 0.86 | 0.92 | 0.88 | 0.89 | 0.88 | 0.90 |
10-20 | 0.90 | 0.97 | 0.90 | 0.89 | 0.92 | 0.91 |
20-30 | 1.07 | 1.16 | 1.10 | 1.06 | 1.07 | 1.07 |
30-40 | 1.00 | 1.05 | 1.02 | 1.02 | 1.05 | 1.02 |
40-50 | 1.17 | 1.32 | 1.27 | 1.20 | 1.24 | 1.25 |
50-60 | 1.68 | 1.79 | 1.63 | 1.49 | 1.51 | 1.51 |
60-70 | 1.68 | 1.87 | 1.75 | 1.70 | 1.77 | 1.72 |
70-80 | 1.88 | 2.21 | 1.98 | 1.93 | 2.04 | 1.99 |
mph | Avg 1 | Avg 2 | Deltas | |||
0-10 | 0.89 | 0.89 | 0.00 | |||
10-20 | 0.92 | 0.91 | 0.02 | |||
20-30 | 1.11 | 1.07 | 0.04 | |||
30-40 | 1.02 | 1.03 | -0.01 | |||
40-50 | 1.25 | 1.23 | 0.02 | |||
50-60 | 1.70 | 1.50 | 0.20 | |||
60-70 | 1.77 | 1.73 | 0.04 | |||
70-80 | 2.02 | 1.99 | 0.04 |
So although the Session data is very close between the two sessions on average, in Session 2 the 50-60mph time is 0.2 sec faster than in Session 1 on average. This is also where the high peak hp readings happen.
Detailed Data:
Session 1
1-1 | ||||||
Start | Speed | 0.0mph | ||||
mph | s | g | ft | hp | ||
10 | 0.86 | 0.55 | 6 | 57 | ||
20 | 1.76 | 0.44 | 26 | 94 | ||
30 | 2.83 | 0.44 | 65 | 141 | ||
40 | 3.83 | 0.45 | 116 | 196 | ||
50 | 5.00 | 0.33 | 194 | 185 | ||
60 | 6.68 | 0.26 | 330 | 185 | ||
70 | 8.36 | 0.26 | 490 | 220 | ||
80 | 10.24 | 0.22 | 698 | 219 | ||
Pk | Power: | 76.8mph | 9.60s | 624ft | 228hp | |
Peak | G: | 59.5mph | 15.42s | 1312ft | 0.68g | |
—————————————- | ||||||
1-2 | ||||||
Start | Speed | 0.0mph | ||||
mph | s | g | ft | hp | ||
10 | 0.92 | 0.51 | 6 | 60 | ||
20 | 1.89 | 0.41 | 28 | 99 | ||
30 | 3.05 | 0.41 | 70 | 147 | ||
40 | 4.1 | 0.42 | 124 | 202 | ||
50 | 5.42 | 0.24 | 212 | 153 | ||
60 | 7.21 | 0.25 | 357 | 195 | ||
70 | 9.08 | 0.23 | 535 | 213 | ||
80 | 11.29 | 0.19 | 779 | 214 | ||
Pk | Power: | 47.8mph | 5.02s | 184ft | 238hp | |
Peak | G: | 11.7mph | 1.07s | 8ft | 0.53g | |
—————————————- | ||||||
1-3 | ||||||
Start | Speed | 0.0mph | ||||
mph | s | g | ft | hp | ||
10 | 0.88 | 0.52 | 6 | 60 | ||
20 | 1.78 | 0.44 | 26 | 104 | ||
30 | 2.88 | 0.42 | 66 | 154 | ||
40 | 3.9 | 0.44 | 119 | 213 | ||
50 | 5.17 | 0.32 | 203 | 200 | ||
60 | 6.8 | 0.26 | 335 | 206 | ||
70 | 8.55 | 0.24 | 502 | 226 | ||
80 | 10.53 | 0.21 | 721 | 236 | ||
Pk | Power: | 77.5mph | 10.01s | 661ft | 241hp | |
Peak | G: | 15.6mph | 1.34s | 15ft | 0.55g |
Detailed Data — Session 2:
2-1 | ||||||
Start | Speed | 0.0mph | ||||
mph | s | g | ft | hp | ||
10 | 0.89 | 0.53 | 6 | 62 | ||
20 | 1.78 | 0.44 | 26 | 106 | ||
30 | 2.84 | 0.47 | 65 | 169 | ||
40 | 3.86 | 0.42 | 117 | 207 | ||
50 | 5.06 | 0.33 | 197 | 207 | ||
60 | 6.55 | 0.28 | 318 | 214 | ||
70 | 8.25 | 0.26 | 480 | 239 | ||
80 | 10.18 | 0.21 | 693 | 239 | ||
90 | 12.53 | 0.17 | 987 | 233 | ||
Pk | Power: | 55.0mph | 5.73s | 248ft | 271hp | |
Peak | G: | 14.9mph | 1.29s | 13ft | 0.56g | |
—————————————- | ||||||
2-2 | ||||||
Start | Speed | 0.0mph | ||||
mph | s | g | ft | hp | ||
10 | 0.88 | 0.54 | 6 | 63 | ||
20 | 1.8 | 0.42 | 26 | 101 | ||
30 | 2.87 | 0.44 | 65 | 161 | ||
40 | 3.92 | 0.42 | 120 | 206 | ||
50 | 5.16 | 0.3 | 202 | 189 | ||
60 | 6.67 | 0.26 | 325 | 203 | ||
70 | 8.44 | 0.24 | 494 | 226 | ||
80 | 10.48 | 0.21 | 719 | 232 | ||
90 | 13 | 0.15 | 1034 | 212 | ||
Pk | Power: | 54.0mph | 5.67s | 241ft | 269hp | |
Peak | G: | 14.5mph | 1.25s | 12ft | 0.55g | |
—————————————- | ||||||
2-3 | ||||||
Start | Speed | 0.0mph | ||||
mph | s | g | ft | hp | ||
10 | 0.9 | 0.52 | 6 | 60 | ||
20 | 1.81 | 0.42 | 26 | 101 | ||
30 | 2.88 | 0.43 | 66 | 157 | ||
40 | 3.9 | 0.42 | 118 | 207 | ||
50 | 5.15 | 0.3 | 201 | 186 | ||
60 | 6.66 | 0.26 | 324 | 206 | ||
70 | 8.38 | 0.25 | 488 | 232 | ||
80 | 10.37 | 0.21 | 708 | 236 | ||
90 | 12.79 | 0.16 | 1011 | 220 | ||
Pk | Power: | 53.9mph | 5.64s | 239ft | 263hp | |
Peak | G: | 16.1mph | 1.41s | 16ft | 0.55g |