I had another rolling road session yesterday. The only difference between the last session and this one was the addition of full 3" system with race cat ( the only other variable was the fact the the first one was in Feb and yesterday the temperature was in the 80's ). This was done to find out the starting point before adding a Maptun ECU upgrade. The car enginewise is standard apart from Hi Flo air filter and now 3" exhaust.
Power now peaked at 245.3 bhp ( Previous 237.4 bhp )
Torque increase was only evident at 4000 rpm peaking at 281 ft/lb ( Previous at that point 262 ft/lb )
The biggest difference was at higher revs. At lower revs, smetimes the power output was slightly down ( highest being 6 bhp )
4000 previous 199.6 now 214
4500 previous 226.1 now 223.5
5000 previous 227.1 now 234.9
5500 previous 237.4 now 245.3
6000 previous 219.4 now 245.2
Now we just have to see what a modified ECU will produce.
Power now peaked at 245.3 bhp ( Previous 237.4 bhp )
Torque increase was only evident at 4000 rpm peaking at 281 ft/lb ( Previous at that point 262 ft/lb )
The biggest difference was at higher revs. At lower revs, smetimes the power output was slightly down ( highest being 6 bhp )
4000 previous 199.6 now 214
4500 previous 226.1 now 223.5
5000 previous 227.1 now 234.9
5500 previous 237.4 now 245.3
6000 previous 219.4 now 245.2
Now we just have to see what a modified ECU will produce.