Popular Posts Boosted Diesels: Inside Turbo Systems and Nitrous Combos Turbocharged Gen III Hemi Engine Shop Solutions June 2022 "Organ Grinder" Hot Rod Features 454 Big Block Chevy Engine 900-HP Turbocharged 6.0L Powerstroke Engine Connect with us advertise with us

Boosted Diesels: Inside Turbo Systems and Nitrous Combos

Turbocharged Gen III Hemi Engine

"Organ Grinder" Hot Rod Features 454 Big Block Chevy Engine

900-HP Turbocharged 6.0L Powerstroke Engine

Popular Posts Boosted Diesels: Inside Turbo Systems and Nitrous Combos Turbocharged Gen III Hemi Engine Shop Solutions June 2022 "Organ Grinder" Hot Rod Features 454 Big Block Chevy Engine 900-HP Turbocharged 6.0L Powerstroke Engine Connect with us advertise with us

Boosted Diesels: Inside Turbo Systems and Nitrous Combos

Turbocharged Gen III Hemi Engine

"Organ Grinder" Hot Rod Features 454 Big Block Chevy Engine

900-HP Turbocharged 6.0L Powerstroke Engine

Add Your Listing Edit Your Listing By Category Engine Components A/N Fittings/AdaptorsAir Induction SystemsBatteriesBearings (camshaft)Bearings (engine sleeve type)Bearings (main rear main)Bearings (Rod)Belt Tensioner/IdlersBrass FittingsBushingsCam CapsCamshaft Belt DrivesCamshaft KitsCamshaft SealsCamshaft Thrust Plate and PartsCamshaftsCarburetorsChain KitsClampsComplete EnginesConnecting RodsConnecting Rods Nuts BoltsCrankshaft ConversionsCrankshaft KitsCrankshaft Oil SlingersCrankshaft Pulley SleevesCrankshaft Repair SleevesCrankshaft SealsCrankshaftsCylinder Head ComponentsCylinder Heads New: Aluminum BareCylinder Heads New: Aluminum CompleteCylinder Heads New: Cast Iron BareCylinder Heads New: Cast Iron CompleteCylinder Heads Reman: Aluminum BareCylinder Heads Reman: Aluminum CompleteCylinder Heads Reman: Cast Iron BareCylinder Heads Reman: Cast Iron CompleteCylinder Liners (sleeves)Diesel InjectorsDipstick Adapters (Chevy Ford)Dowel PinsEFI ComponentsEngine BlocksEngine Blocks - RemanufacturedEngine KitsEngine Management Systems/ECUsEngine MountsExhaust ComponentsExhaust Components: Complete SystemsExhaust Components: Custom ExhaustsExhaust Components: Leak DetectionExhaust Components: ManifoldsExhaust Components: Tube NotchingExhaust Components: Tube SwagingExhaust Components: Tube/Frame Bending MachinesFilters - AirFilters - FuelFilters - OilFlywheel (ring) GearsFlywheel AssembliesFuel Injection - ElectronicFuel Injection - MechanicalFuel PumpsFuel System ComponentsGasket CementGasketsGear DrivesGovernorsHarmonic Balancer Repair SleevesHarmonic Balancers/DampersHead Bolts/StudsHex ShaftsHydraulic Lash AdjustersIgnition ComponentsInjector TubesInjectors - DieselInjectors - Gasoline DirectInjectors - IndirectIntake ManifoldsIPR ValvesKeysLockwashersMain Caps (4-bolt)Manifold StudsNitrous Oxide Systems, ComponentsNitrous Valves and PlatesNuts and BoltsOil CoolersOil Filter AdaptersOil PansOil Pressure SpringsOil Pump KitsOil Pump ScreensOil Pump ShaftsOil Pump Timing CoversOil PumpsOiling Systems; 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Add Your Listing Edit Your Listing By Category Engine Components A/N Fittings/AdaptorsAir Induction SystemsBatteriesBearings (camshaft)Bearings (engine sleeve type)Bearings (main rear main)Bearings (Rod)Belt Tensioner/IdlersBrass FittingsBushingsCam CapsCamshaft Belt DrivesCamshaft KitsCamshaft SealsCamshaft Thrust Plate and PartsCamshaftsCarburetorsChain KitsClampsComplete EnginesConnecting RodsConnecting Rods Nuts BoltsCrankshaft ConversionsCrankshaft KitsCrankshaft Oil SlingersCrankshaft Pulley SleevesCrankshaft Repair SleevesCrankshaft SealsCrankshaftsCylinder Head ComponentsCylinder Heads New: Aluminum BareCylinder Heads New: Aluminum CompleteCylinder Heads New: Cast Iron BareCylinder Heads New: Cast Iron CompleteCylinder Heads Reman: Aluminum BareCylinder Heads Reman: Aluminum CompleteCylinder Heads Reman: Cast Iron BareCylinder Heads Reman: Cast Iron CompleteCylinder Liners (sleeves)Diesel InjectorsDipstick Adapters (Chevy Ford)Dowel PinsEFI ComponentsEngine BlocksEngine Blocks - RemanufacturedEngine KitsEngine Management Systems/ECUsEngine MountsExhaust ComponentsExhaust Components: Complete SystemsExhaust Components: Custom ExhaustsExhaust Components: Leak DetectionExhaust Components: ManifoldsExhaust Components: Tube NotchingExhaust Components: Tube SwagingExhaust Components: Tube/Frame Bending MachinesFilters - AirFilters - FuelFilters - OilFlywheel (ring) GearsFlywheel AssembliesFuel Injection - ElectronicFuel Injection - MechanicalFuel PumpsFuel System ComponentsGasket CementGasketsGear DrivesGovernorsHarmonic Balancer Repair SleevesHarmonic Balancers/DampersHead Bolts/StudsHex ShaftsHydraulic Lash AdjustersIgnition ComponentsInjector TubesInjectors - DieselInjectors - Gasoline DirectInjectors - IndirectIntake ManifoldsIPR ValvesKeysLockwashersMain Caps (4-bolt)Manifold StudsNitrous Oxide Systems, ComponentsNitrous Valves and PlatesNuts and BoltsOil CoolersOil Filter AdaptersOil PansOil Pressure SpringsOil Pump KitsOil Pump ScreensOil Pump ShaftsOil Pump Timing CoversOil PumpsOiling Systems; Dry SumpOverhead Camshaft Repair SleevesPiston Pin BushingsPiston Pin Lock RingsPiston PinsPiston RingsPistonsPlugs - ExpansionPlugs - MagneticPlugs - Oil DrainPlugs - StandardPush RodsRadiator/Oil FansRering KitsRestoration Engine PartsRocker Arm Rebuilding ComponentsRocker Assemblies and KitsRocker Stud GirdlesSealsSerpentine BeltsShimsShort BlocksSpark PlugsSpringsSuperchargers, componentsSwitchesTappetsThread RepairThrust WashersTiming Belt/Chain TensionerTiming Belts/ChainsTiming Chains, Gears, SprocketsTiming ComponentsTiming CoversTransmission AdaptorsTurbochargers, componentsValve CoversValve Guide LinersValve GuidesValve KeysValve Lifter BallsValve LiftersValve Locks and SealsValve Seat InsertsValve Spring InsertsValve Spring RetainersValve SpringsValve Stem Oil SealsValve Train PartsValvesWater PumpsWater Tubes Engine Equipment & Preparation Adhesive DispensingAir Flow BenchesAir Handling SystemsBalance Shaft Elimination KitBalance Shaft Line Boring EquipmentBalancing AccessoriesBalancing EquipmentBelt SanderBench GrinderBlock Pressure Testing EquipmentBoring Bar InsertsBoring Bar Tool BitsBoring Machines/Connecting RodBoring Machines/CylinderBoring Machines/LineBoring Stand (For Portable Boring Machines)Brass FittingsBroachBushing Bearing & Seal Driver SetsCAD/CAM SoftwareCam Bearing Installation ToolCamshaft Degree Wheel (Digital)Camshaft GrindersCap & Rod GrinderCBN Inserts - NewCBN Inserts - ResurfacedCleaning Specialized EngineCNC Machining CentersCNC Retrofit KitsCompressed Air EquipmentConnecting Rod GaugesCoolant Filter MachinesCore Shift TesterCrack Repair EquipmentCranesCrankshaft Balance WeightsCrankshaft FurnaceCrankshaft GrindersCrankshaft Journal Weld KitsCrankshaft PolisherCrankshaft Polishing BeltsCrankshaft StraightenerCylinder Head Adapter PlatesCylinder Head Assembly/Disassembly Equip.Cylinder Head Chamfering ToolCylinder Head GaugeCylinder Head HoldersCylinder Head PolishingCylinder Head PortingCylinder Head Pressure TesterCylinder Head StraighteningCylinder Hone StopsCylinder Porting ToolsCylinder Sleeve PressDemagnetizersDiamond DressersDiesel Injector Hole Repair ToolsDiesel Injector Sleeve Installation ToolDowel PullersDye Penetrant InspectionDynamometersEngine Adaptor PlatesEngine Cycle AnalyzerExhaust Leak DetectionFeeler GaugesFlexible Honing Tools/Brush HonesFlywheel GrinderFuel Injection Cleaning ServicesGrinder Head StraighteningGrinding CoolantsGrinding WheelsHardness TestersHead/Block Crack Repair KitsHead/Block Resurfacing (Belt/Sanders)Head/Block Resurfacing (Milling)Heat Tabs Temperature SticksHolding FixturesHone Stop FixtureHoning JigsHoning Machines Wrist PinHoning Machines/CylinderHoning Machines/LineHoning Machines/RodHoning Machines/Valve GuideHoning PlatesHoning StonesIgnition System TestersIn-Process Gauges(Cam and Crank Grinders)Inspection GaugesLeak Down TesterLeveling DeviceMagnetic Particle Inspection Crack DetectionMicropolishing EquipmentOHC Line Boring ToolsOil Leak DetectionPCD Inserts - NewPin Fitting & Rod Reconditioning/TestingPin PressPin RemovalPiston KnurlerPiston Ring CompressorsPre-Cup Machining ToolsPush Rod Guide PlatesReplacement Chuck for Valve FacersRocker Arm GrinderRod AlignmentRod Bolt ProtectorsRod FurnaceRod VisesRun-In StandsStandsStud PullersTapsTest EquipmentThickness GaugeThread GaugesThread Repair & Replacement KitTorque PlatesUltrasonic Test EquipmentVacuum TesterValve Grinding BenchValve Guide & Seat Driver SetValve Guide & Seat MachineValve Guide Boring FixtureValve Guide HoneValve Guide KnurlingValve Guide PilotValve Guide ReamerValve Guide ToolValve Refacer (Cutter)Valve Refacer (Grinder)Valve Refacer WheelsValve Seat CuttersValve Seat InserterValve Seat PullersValve Seat ResurfacerValve Seat Runout GaugeValve Seat Tool GrinderValve Seat WheelsValve Spring CompressorValve Spring TestersValve Stem GrinderValve Stem Height MeasuringValve Stem PolisherWater Tube PullerWet Flow Bench Conversions Supplies & Service Chemicals & SolventsCore Cleaning & ProcessingCranes & HoistsHand ToolsLubricantsPressesServicesShippingStorage Racks & BenchesWelding

Whether you’re a professional engine builder, machinist or manufacturer, or an automotive enthusiast who likes engines, racing and fast vehicles, Engine Builder offers content aimed at you. Our print magazine offers in-depth tech features on everything you need to know about engine building and its different markets, while our newsletter options keep you up-to-date on the latest news and products, tech info and personalities in the industry. But, you only get all of that if you subscribe. Subscribe now to receive Engine Builder magazine in print and/or digital each month, and our Engine Builder newsletter, Engine of the Week newsletter or Diesel of the Week newsletter directly in your inbox each week. You’ll be covered in horsepower in no time!

Whether you’re a professional engine builder, machinist or manufacturer, or an automotive enthusiast who likes engines, racing and fast vehicles, Engine Builder offers content aimed at you. Our print magazine offers in-depth tech features on everything you need to know about engine building and its different markets, while our newsletter options keep you up-to-date on the latest news and products, tech info and personalities in the industry. But, you only get all of that if you subscribe. Subscribe now to receive Engine Builder magazine in print and/or digital each month, and our Engine Builder newsletter, Engine of the Week newsletter or Diesel of the Week newsletter directly in your inbox each week. You’ll be covered in horsepower in no time!

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When two diesel drag racers stopped competing against one another and formed a business partnership, Kingspeed Race & Repair was born. The full-service repair, maintenance and machine shop does many different things, but performance Cummins work tops the list. Just take a look at this turbocharged 6.7L Cummins Kingspeed built for one of its best customers.

Diesel of the Week is presented by

Chase Lunsford and Michael Cordova first met while in college, competing in diesel drag races. What started as two racers trying to one-up one another on the track, quickly turned into a business partnership and a company known as Kingspeed Race & Repair in Bowling Green, KY.

“Michael was always kind of the quiet guy who would show up and kick everybody’s butt and leave,” says Chase Lunsford. “Nobody knew who he was. I had to know more about him and we started working together on a couple things.”

Michael and Chase’s drag racing hobby began to transition to full-time work when Michael helped Chase with his Pro Street truck. The diesel duo opened Kingspeed in January 2016.

“That’s when we went into business and bought the equipment to actually do it ourselves rather than borrowing other people’s equipment,” Lunsford says. “We had people approaching us to do things on the side and my wife had a big industry move, which meant she needed to end up in Bowling Green, KY where her family’s business is.

“I felt Bowling Green was a great place for what we do. I knew that it would probably take a little bit to get where we wanted to be, but I figured we should jump with both feet. Our interests have evolved a little bit over the years, but it’s been an incredible experience for sure.”

Today, Kingspeed is a full-service repair and maintenance shop as well as a full-service machine shop focused on both diesel and gas engines. With seven full-time employees and 6,250 sq.-ft. of space, Kingspeed is capable doing just about everything in-house. Kingspeed also does performance engine work and machines custom, billet aluminum parts.

“We have two mechanics who are full time,” he says. “They stay busy 40-50 hours a week doing the repair, maintenance and performance work that comes in the shop. We have a four-axis CNC mill, a seat and guide machine, a cylinder hone, etc. We have an engineer on staff. We’ve got a welder and fabricator on staff full-time and then Michael and myself wear a bunch of hats.”

On the performance side, Kingspeed focuses primarily on Cummins engines, but will work on Powerstroke and Duramax engines on the repair side. The shop also does work on Ford’s Coyote 5.0L engine as well as Gen V LTs and LS engines.

“That’s where we’re just a little bit different than most diesel places,” Lunsford says. “We sleeve all the blocks here. We bore them and do all the girdle modifications here. On the parts side, we’re known for oil pans and transmission pans for Ford, Chevy and Dodge. On the Cummins stuff, we focus on billet intake manifolds, billet valve covers, fuel pump block off plates, gear cases, adapter housings, etc. The Cummins stuff is what we’re into and what we’ve always been into.”

The Bowling Green, KY shop has come a long way in just four years and change, but Chase and Michael aren’t resting on their laurels.

“We’re really focusing on retail and trying to get our aluminum fabricated parts out there that compliment engines,” Lunsford says. “We need a whole bunch more equipment if we really want to be a Sonny’s or a Pro Line or a real hardcore engine shop. Right now, we have enough to be really dangerous.”

Proving just how dangerous Kingspeed can be is their build of a turbocharged 6.7L Cummins for an early customer by the name of JP Libert.

“JP has been around since the beginning of Kingspeed,” he says. “He took a liking for what we wanted to accomplish.”

JP had built out a chassis that, according to Chase, is probably one of the lightest four-wheel-drive chassis out there. His truck is named Gray Area and JP came to Kingspeed wanting to do an engine build for it.

“We basically took the same recipe that I had in my first street truck and made a couple tweaks,” he says. “It is a 6.7L Cummins block that has our girdle kit. It is a .040˝ over 5.9 bore, so a 4.060˝ bore with a 6.7L crank. It’s a really solid platform. It’s a roller cam set up that we did for him, which was ground by No Limit Manufacturing. It’s got a bunch of lift on the roller cam set up and it’s a higher compression. We run 20:1 compression on the single turbo stuff. It seems to make a lot more boom when you’re not relying on 150-lbs. of boost.”

Kingspeed built JP the 6.7L Cummins a couple years ago and since then, JP has really taken the time to dial the engine in.

“We refresh it every winter,” Lunsford says. “We’ve done that twice now. The engine keeps trucking. He has pretty much all the bells and whistles that we offer. He’s got our high volume, high capacity oil pan, our billet parts, our valve cover. He has a high-volume oil pump that we did for him. It has a single turbo with lots of nitrous and a good, solid fueling set up.”

In addition, the 6.7L features Diamond pistons, ARP 14mm main studs, billet rods, Dynomite Diesel Super Mental injectors, a fire ringed cylinder head, 1mm oversized valves, Kingspeed dual springs, Mahle H-series bearings, a Fleece twin CP3 kit with two Power Flow 750 pumps, a Waterman gear-driven lift pump, and a Kingspeed billet intake plenum.

“JP’s truck is a 2006 Dodge 2500,” Lunsford says. “It has a full custom chassis by Dow Brothers Race Cars and it has a Loganbuilt transmission. He uses it for drag racing and is focused on 1/8th mile and grudge racing. This 6.7L Cummins set up makes 2,000 crank horsepower, no problem!”

Diesel of the Week is sponsored by AMSOIL.

If you have an engine you would like to highlight in this series, please email Engine Builder magazine’s Editor, Greg Jones at [email protected]

Diesel of the Week:  Mario Monette’s 4,000-HP Compound-Turbo C15 Engine “The Beast”

Diesel of the Week:  Deck-Plated Single-Turbo 6.7L Cummins Engine

Diesel of the Week:  1,400-HP 6.4L Cummins Engine

Diesel of the Week:  1,900-Plus HP LLY Duramax Engine