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By now you know that the reworked 6.7L Cummins in ’25 Ram trucks has glow plugs, a side-draft intake manifold, and is backed by an eight-speed auto. Now it’s time to see what’s under the valve cover, courtesy of DNR Customs’ recent tear down of its brand-new Ram 2500. First things first, now you have to pull all injectors out in order to pull the valve cover, so essentially, the (aluminum) upper valve cover can’t be removed without opening up the high-pressure fuel system. Now for the master list of changes and non-changes: 1) same lifters as ’19-’24 engines (so expect the same failure rate…), 2) shorter rocker assemblies and valve bridges, 3) no more injector feed tubes (high-pressure line directly connects to new injectors), 4) traditional style injector return line. Follow the link below for DNR’s complete top-end Cummins dissection.
Source: https://www.youtube.com/watch?v=T9_tk_QFHEU
Rear-wheel drive and 4x4 no-prep racers everywhere have been put on notice: diesel can and will be respected. Last week, Nathan Wheeler’s Cummins-powered “Crazyhorse” Ford Super Duty dominated at Cleeter’s $20,000 winner take all, AWD vs. RWD Shootout in Florida. This is the same truck that was totaled out in 2023, promptly reborn at Truck Source Diesel, and that went out first-round at the 2024 rendition of Cleeter’s AWD Shootout. You could say Nathan went home and did a little testing. And just so you know, Nathan’s Ford is the one all the way on the right—with the winner’s trophy parked next to it.
Source: https://www.youtube.com/watch?v=PcvBRZzxvA8
Maybe the Ultimate Street Car Association said it best when the sanctioning body asked if Henry Crawn and his friends pieced together the ultimate Ford F-100. His autocross and road course-racing ’68 F-100 sits on a Crown Vic chassis with independent rear suspension out of a Mustang and a 6.0L Power Stroke that’s set way back in the engine bay. Henry’s potent 6.0L was built by Asheville Engine and packs a Stage 2 VGT from KC Turbos, an undisclosed size set of injectors, and makes 700 hp at the crank. The bulletproofed 6.0L is also backed up by a 5R110W TorqShift transmission.
Source: https://www.facebook.com/DriveUSCA
One look at the ground-up project currently in the works at Firepunk Diesel and it’s clear that David Petrick wants to do much more than lay down 3,000 hp on the chassis dyno. He wants to go fast, too. The goal is to build a sub-3,600-pound truck that does its thing with the frame a few inches off the ground. To make the truck sit as low as possible, the front axle’s differential (along with the corresponding billet SCS drop box) has been located on the passenger side. To keep the driver safe, a roll cage built to meet the 25.4 certification is being fabricated. And, in case David wants to drop another 200 pounds at a later date, the cast-iron Cummins he plans to run (at least initially) could easily be replaced with a billet-aluminum replacement. Stay tuned.
Source: https://shop.firepunk.com/
Ford recently released info on some new tuning files they will be offering for 2024 V8 Mustangs and F150's. While Ford has offered tuning for some of their other vehicles, this is the first batch of calibrations for the 2024 Mustang and F150. For aftermarket-minded individuals, this may seem like a "who cares" thing, "I'll just get aftermarket tunes", well it's not that easy, not yet at least. The 2024 Mustang and F150 V8 ECU is locked, much like GM's ECU's used in the Duramax-powered trucks. Tuning from the aftermarket does not yet exist, so files from Ford are the only option for 2024 Mustang and F150 owners. The info from Ford at the moment is very limited. No horsepower gains are mentioned. What we do know is that the files are CARB approved. While that historically would mean the files are fairly tame, past files released by Ford have been a big hit with owners.
It’s not dead yet. In fact, the 7.3L Power Stroke’s enthusiast following might be stronger than it’s ever been thanks to events like Summit 7.3—the brainchild of Power Hungry Performance—which serves to keep support alive and well for the venerable, 444 ci diesel V-8. At the second annual tradeshow this last week, attendees were privy to OEM, aftermarket, and business strategist presentations, a manufacturer’s midway, an optional Minotaur tuner training day, and a public truck show to conclude the event. As a bonus, Jelibuilt Performance had its revamped 7.3L drag truck on display at its booth. It’s expected to be the first 4x4 7.3L truck to run 4’s in the eighth-mile…
Source: https://gopowerhungry.com/
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