Cummins, Duramax, Powerstroke all battle it out during the Southwest Pullers work stock diesel 4x4 truck pulling class, Elroy WI 2023
CLASS RULES QUICK SUMMARY:
1, weight limit- 8,500lb, no external weights forward of the front bumper
2, Dot legal tires, 33”-35” x 12.5 or smaller preferred, no dual tire setups unless vehicle came factory with duals.
3, Upward or downward facing exhaust, no hood/fender exit exhausts.
4, Safety- (helmet) additional equipment encouraged-drive shaft hoops, kill switch at the rear of the vehicle.
5, Duel fueler/ twin injection pump setups allowed - No power adders- nitrous, propane assist, water meth injection.
6, Turbos- stock appearing factory style turbos, s300 frame turbos may run up to 69mm inducer wheel, s400 frame turbos must not exceed 64.5mm
(2.5”) inducer wheel, NO BIG SMEDINGS.
7, Receiver style hitch, 24” hitch height, hook point no closer to the center line of the rear axle than 48”- suspension stops and traction bars allowed.