The transmission also received appropriate modifications in line with the engine upgrades and was built by, you guessed it, Wehrli Custom. The Allison was equipped with both billet input and output shafts, a billet hub and planetary gear and Raybestos clutches. A Suncoast converter is the final piece which helps put the power to the ground.
With some final engine and TCM tuning by Motor OPS, the truck was sent to the dyno and then put on the road. With nearly 60,000 miles to date on his ride, you might think that Dillon is happy with the current state of things—but no. “I’m very happy with my truck, but there’s still a little left to do,” he claims. “It’s going back to Wehrli this winter for driveline upgrades and a little more under the hood.” As he contemplates even more for his truck, his last line puts it all in perspective: “They say it will never end, and I’m okay with that.”
THEY SAY IT WILL NEVER END, AND I’M OKAY WITH THAT.
The larger of the two turbos in the compound setup was supplied by Engineered Diesel and measures 84mm in inducer size. The S400 frame charger breathes through an afe air filter and combined with the small turbo produces a massive amount of boost. ...