235-hp Rated Engine
Test vehicle: 2003 Dodge RAM 3500 Quad Cab • 2wd Dually
Engine: 5.9L Cummins ISB (235-hp rated) • Transmission: 4-speed automatic
Horsepower and torque measured at rear wheels.
Note: Banks Horsepower and Torque tests performed with recommended airflow improvements
Six-Gun, Level 6 |
Stock |
Banks |
Improvement |
Results |
Horsepower, Best gain |
147.7 hp @2200 rpm |
252.5 hp @2200 rpm |
+104.8 hp |
71% more |
Torque, Best gain |
353.3 lb-ft @2000 rpm |
611.0 lb-ft @2000 rpm |
+257.7 lb-ft |
73% more |
Horsepower, Peak-to-peak |
182.8 hp @2800 rpm |
263.7 hp @2400 rpm |
+80.9 hp |
44% more |
Torque, Peak-to-peak |
358.3 lb-ft @2600 rpm |
611.4 lb-ft @1800 rpm |
+253.1 lb-ft |
71% more |
Acceleration, time: 1/8 mile |
13.92 secs |
11.62 secs |
-2.30 secs |
17% quicker |
Acceleration, time: 1/4 mile |
20.86 secs |
17.92 secs |
-2.94 secs |
14% quicker |
Acceleration, speed: 1/4 mile |
70.4 mph |
77.6 mph |
+7.2 mph |
10% faster |
Acceleration: 1/4 mile, Trucklengths over stock* |
- |
- |
14.3 Trucklengths |
- |
Acceleration, time: 0-60 mph |
15.04 secs |
10.05 secs |
-4.99 secs |
33% quicker |
*(1 trucklength = 20 ft) |
305-hp Rated Engine
Test vehicle: 2004 Dodge RAM 3500 Quad Cab • 2wd Dually
Engine: 5.9L Cummins ISB (305-hp rated) • Transmission: 4-speed automatic (48RE)
Horsepower and torque measured at rear wheels.
Note: Banks Horsepower and Torque tests performed with recommended airflow improvements
Six-Gun, Level 6 |
Stock |
Banks |
Improvement |
Results |
Horsepower, Best gain |
190.5 hp @2200 rpm |
280.0 hp @2200 rpm |
+89.5 hp |
47% more |
Torque, Best gain |
448.0 lb-ft @1800 rpm |
678.0 lb-ft @1800 rpm |
+230.0 lb-ft |
51% more |
Horsepower, Peak-to-peak |
235.8 hp @2800 rpm |
292.5 hp @2400 rpm |
+56.7 hp |
24% more |
Torque, Peak-to-peak |
462.2 lb-ft @2600 rpm |
678.0 lb-ft @1800 rpm |
+215.8 lb-ft |
47% more |
Acceleration, time: 1/8 mile |
11.74 sec |
10.98 sec |
-0.76 sec |
7% quicker |
Acceleration, time: 1/4 mile |
17.82 sec |
16.70 sec |
-1.12 sec |
6% quicker |
Acceleration, speed: 1/4 mile |
80.6 mph |
86.4 mph |
+5.8 mph |
7% faster |
Acceleration: 1/4 mile, Trucklengths over stock* |
- |
- |
6.3 Trucklengths |
- |
Acceleration, time: 0-60 mph |
10.18 sec |
8.61 sec |
-1.57 sec |
15% quicker |
*(1 trucklength = 20 ft) |
325/600 Engine
Test vehicle: 2004 Dodge RAM 3500 Quad Cab • 4wd Dually
Engine: 5.9L Cummins ISB (325/600) • Transmission: 4-speed automatic (48RE)
Horsepower and torque measured at rear wheels.
Note: Banks Horsepower and Torque tests performed with recommended airflow improvements
Six-Gun, Level 6 |
Stock |
Banks |
Improvement |
Results |
Horsepower, Best gain |
206.1 hp @2200 rpm |
308.1 hp @2200 rpm |
+102.0 hp |
49% more |
Torque, Best gain |
493.2 lb-ft @2000 rpm |
745.4 lb-ft @2000 rpm |
+252.2 lb-ft |
51% more |
Horsepower, Peak-to-peak |
248.5 hp @2800 rpm |
321.6 hp @2400 rpm |
+73.1 hp |
29% more |
Torque, Peak-to-peak |
502.0 lb-ft @1800 rpm |
745.4 lb-ft @2000 rpm |
+243.4 lb-ft |
48% more |
Acceleration, time: 1/8 mile |
11.78 sec |
10.59 sec |
-1.19 sec |
10% quicker |
Acceleration, time: 1/4 mile |
17.70 sec |
16.13 sec |
-1.57 sec |
9% quicker |
Acceleration, speed: 1/4 mile |
82.2 mph |
88.9 mph |
+6.7 mph |
8% faster |
Acceleration: 1/4 mile, Trucklengths over stock* |
- |
- |
9.0 Trucklengths |
- |
Acceleration, time: 0-60 mph |
9.76 sec |
7.81 sec |
-1.95 sec |
20% quicker |