SCT performance test accuracy?
#1
SCT performance test accuracy?
Hey guys,
All I have done to my truck so far is put in the SCT livewire. Since the truck is my "haul stuff" vehicle not a drag truck I haven't actually taken it to a drag strip, so just for giggles I did the performance test on the SCT with the stock tune in place, and then re-programed with the canned street tune. There was enough improvement for me to wonder if the livewire cheats when measuring performance when there is a canned tune installed in the pcm. I don't really believe this, but the amount of improvement was surprising to me.
Keith
Stock tune and with full tank of fuel 7940 lbs:
0 - 30 3.1
0 - 60 10.12
1/4 mile 17.56 @ 77.67
290.2 HP
499.7 LB-FT @ 3050 RPM
Canned street tune and with full tank of fuel 7940 lbs:
0 - 30 1.86
0 - 60 6.61
1/4 mile 15.08 @ 88.86
446.2 HP
670.5 LB-FT @ 3496 RPM
0 - 30 improved 1.24 seconds
0 - 60 improved 3.51 seconds
1/4 mile improved 2.48 seconds and 11.19 mph
HP improved 156 HP
Torque improved 170.8 LB-FT
All I have done to my truck so far is put in the SCT livewire. Since the truck is my "haul stuff" vehicle not a drag truck I haven't actually taken it to a drag strip, so just for giggles I did the performance test on the SCT with the stock tune in place, and then re-programed with the canned street tune. There was enough improvement for me to wonder if the livewire cheats when measuring performance when there is a canned tune installed in the pcm. I don't really believe this, but the amount of improvement was surprising to me.
Keith
Stock tune and with full tank of fuel 7940 lbs:
0 - 30 3.1
0 - 60 10.12
1/4 mile 17.56 @ 77.67
290.2 HP
499.7 LB-FT @ 3050 RPM
Canned street tune and with full tank of fuel 7940 lbs:
0 - 30 1.86
0 - 60 6.61
1/4 mile 15.08 @ 88.86
446.2 HP
670.5 LB-FT @ 3496 RPM
0 - 30 improved 1.24 seconds
0 - 60 improved 3.51 seconds
1/4 mile improved 2.48 seconds and 11.19 mph
HP improved 156 HP
Torque improved 170.8 LB-FT
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