Up next Clutch Player: Dual Disc Clutch Published on August 25, 2023 Author Mike McGlothlin Tags Cummins, Diesel, diesel performance, diesel power, Dodge, Ram, Share article Facebook 0 Twitter 0 Mail 0 B-Series Bargain: 650-HP Dodge Anyone Could Build Jake Bosie always wanted a common-rail 5.9L Cummins, but they were usually a step or two out of his price range. That is, until a good friend’s truck came up for sale at a hard-to-beat price (roughly 66% the going rate). But even though the single rear wheel ’05 Dodge Ram 3500 had been modified substantially by the time Jake got his hands on it, it didn’t bother him. “I didn’t mind all the performance stuff being on the truck because I knew all the work was done at Flynn’s Shop—a trusted shop in my area,” he told us. “And it already had an NV5600 (manual trans) in place of the G56, which was a big deal, in my eyes.” Big Beginnings With plans to add lots of fuel, as well as sport a compound turbo arrangement at some point, the truck’s previous owner (Justus Poteet) had pulled the head and sent it to Scheid Diesel to be cut for fire rings. While under Scheid’s care, it was also fitted with 5,000-rpm valve springs. The fire-ringed head is anchored to the block with top-of-the-line Custom Age 625+ head studs from ARP. “It already had an NV5600 in place of the G56, which was a big deal, in my eyes.” —Jake BosieSubscribe Our Weekly Newsletter Despite living the last 185,000 miles of its life at or above 500-rwhp, the stock bottom end, common-rail 5.9L Cummins in Jake Bosie’s ’05 Dodge Ram 3500 has held up extremely well. A large extent of the engine’s mods lie in the head, which was cut for fire-rings and fitted with heavy-duty valve springs (good for 5,000 rpm) by Scheid Diesel. A set of ARP Custom Age 625+ head studs clamp the head to the block. Kicking off fuel supply is a 150-gph AirDog system, which was one of the first add-ons to make it onto the truck. A PPE Dual Fueler system employs two stock displacement CP3s, one in the factory location and one belt-driven, to maintain a steady supply of rail pressure. The twin CP3s feed high-pressure fuel to a set of 80-percent over injectors from Exergy Performance. Dialing in the injection system’s timing and rail pressure is left in the control of a Smarty Touch S2G programmer. Hung from the factory exhaust manifold is a PhatShaft 66 from Industrial Injection. The S300 based T3-flanged turbo utilizes a cast 66mm compressor wheel, 74mm turbine wheel, and a 14cm exhaust housing (66/74/14). At full tilt, the little charger churns out 53 psi worth of boost. Helping the 66mm S300 breath easier is a K&N cold air intake. Like a lot of diesel upgrades, an affordable airflow improvement was one of the first mods to grace the truck. Said to provide a 40-percent increase in airflow over the restrictive factory unit, a CFMPlus intake elbow feeds boosted air into the head. One of the three ports on the backside of the elbow is used to get a mechanical boost reading in the cab. Air Supply Not long after Jake bought the truck—the 64mm S300 it came with—bit the dust, so (of course) the decision to go bigger was the only option. Sticking with a direct bolt-on style turbo to retain the factory exhaust manifold, the time-tested PhatShaft 66 from Industrial Injection got the call. While it lags a tad bit more than the 64mm version it replaced, the 66mm charger’s spool up is very respectable; it hits hard in the midrange and still has a bit left in the tank in the upper rpm range. While Jake has kicked around the idea of adding an S480 (or larger) in front of it, the single turbo aspect of the truck is one reason why the 228,000-mile stock bottom end is still in one piece. El Manuel Like so many other ’05-present Rams equipped with the G56 six-speed manual, Jake’s Dodge has killed a few gearboxes in its day. After the fourth hand-shaker let loose, a cast-iron NV5600 transmission was sourced to solve the issue once and for all. While the New Venture gearbox can’t be shifted quite as quickly as the G56, it has proven much more reliable, hence why it’s such a common swap throughout the diesel industry. Transferring horsepower and torque from the engine to the NV5600 is a 3850 competition dual disc clutch from South Bend. “Used as a daily commuter, Jake tells us he sees 19-mpg on a regular basis—not half bad for a 650 to 700-hp truck” Don’t let the shift pattern fool you: “Reverse” is all the way to the right and up in this rig. After grenadin’ four G56 gearboxes, the truck’s previous owner (Justus Poteet) did the inevitable—swapped the venerable NV5600 in its place. In an age where ’03-’07 Ram 2500 and 3500s can go for well over $20,000, we love seeing someone get a deal on one. And while there is really nothing over the top about Jake’s parts combination, it’s proof that you can have a mildly built common-rail Dodge on a blue-collar, working man’s budget. Used as a daily commuter, Jake tells us he sees 19-mpg on a regular basis—not half bad for a 650 to 700-hp truck. DW Jake’s Dodge sports a set of 305/55R20 Nitto Terra Grappler G2 all terrains mounted on 20×10-inch Fuel Maverick wheels. This combination gave him the tough stance yet quiet ride he was after with the truck being his daily driver. Ample low-pressure fuel supply is delivered to the CP3s by a 150-gph AirDog system. And being that the hidden yet vital lift pump can support up to 800 hp, future growth is on the table if Jake decides to push the envelope a little further. Prior to being installed, the internals of the NV5600 six speed were cryogenically treated at Zumbrota Bearing And Gear (ZBAG) in Zumbrota, Minnesota. A 3850 competition dual disc clutch from South Bend transfers power from the engine through the stress-relieved gearbox. Thanks to a PPE Dual Fueler CP3 kit and 80-percent over injectors from Exergy Engineering in the mix, the fuel side of Jake’s Cummins is pretty serious. With more airflow (i.e. compound turbos), in excess of 800 hp could easily be on tap. [divider]Specs[/divider] Year/Make/Model: 2005 Dodge Ram 3500 SRW Owner: Jake Bosie Hometown: Cantrall, Illinois Odometer: 228,000 miles Engine: 5.9L common-rail Cummins with Scheid Diesel fire-ringed head, 5,000-rpm valve springs, ARP Custom Age 625+ head studs Fuel: Exergy Performance 80-percent over injectors, PPE Dual Fueler CP3 system, AirDog 150-gph lift pump Air: Industrial Injection PhatShaft 66 (66/74/14), CFMPlus intake elbow, K&N cold air intake Tuning: Smarty S2G with Smarty Touch monitor Exhaust: Flo-Pro 5-inch turbo back system with 6-inch tip Transmission: NV5600 with cryo’d internals from Zumbrota Bearing And Gear (ZBAG), South Bend 3850 competition dual disc clutch Horsepower: 650 hp (est.) Torque: 1,300 lb-ft. (est.) Tires: 305/55R20 Nitto Terra Grappler G2 Wheels: 20×10 Fuel Mavericks Suspension/Steering: Homemade traction bars Total 0 Shares Share 0 Tweet 0 Pin it 0 Share 0
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