Specifications
View Mash Motors Inc. Specifications
Mash Motors Inc. specializes in Duramax Diesel Conversions for the Hummer H1, H2 and large SUVS. We were the first to successfully convert the Hummer H3 with the Vortec 6.0 liter engine and 4L60HD transmission by GM. Additionally, we provide the latest in aftermarket parts and accessories to complete your conversion.
6.6L Duramax LBZ Duramax LBZ Specs & Info
Engine | 6.6L Duramax LBZ, 90 degree V8 diesel |
Years Produced | 2006 - 2007 |
VIN Code | D (8th digit of VIN) |
Displacement | 403 cubic inches, 6.6 liters |
Assembly Site | DMAX engine plant, Moraine, Ohio |
Head/Block Material | Aluminum cylinder heads, cast iron engine block |
Compression Ratio | 16.8 : 1 |
Firing Order | 1-2-7-8-4-5-6-3 |
Bore | 4.055" (103 mm) |
Stroke | 3.897" (99 mm) |
Aspiration | Turbocharged & intercooled - Garrett VVT (variable vane turbocharger), air-to-air intercooler |
Injection | Direct injection, 26,000 psi Bosch high pressure common rail with CP3 injection pump and 7 hole fuel injectors |
Valvetrain | OHV (overhead valve), 4 valves per cylinder |
Oil Capacity | 10 quarts w/ filter |
Engine Weight | Approx. 835 lbs |
Max Engine Speed | 3,250 rpm |
Emissions Equipment | Diesel oxidation catalyst (DOC) and exhaust gas recirculation (EGR) |
Peak Horsepower | 360 hp @ 3,200 rpm |
Peak Torque | 650 lb-ft @ 1,600 rpm |
Engine Dimensions | Length: Approx 30"; Width: Approx 30"; Height: Approx 32" |
6.6L Duramax LML Duramax LML Specs & Info
Engine | 6.6L Duramax LML, 90 degree V8 diesel |
Assembly Location | DMAX assembly plant in Moraine, Ohio |
Years Produced | 2011 - 2016 model years |
VIN Code | 8 (8th digit of VIN) |
Displacement | 403 cubic inches, 6.6 liters |
Assembly Site | DMAX engine plant, Moraine, Ohio |
Head/Block Material | Aluminum cylinder heads, cast iron engine block |
Compression Ratio | 16.0 : 1 |
Firing Order | 1-2-7-8-4-5-6-3 |
Bore | 4.055" (103 mm) |
Stroke | 3.897" (99 mm) |
Aspiration | Turbocharged & intercooled - Garrett variable vane (VVT), variable geometry turbocharger (VGT) with air-to-air intercooler |
Injection | Direct injection, 2000 bar (~30,000 psi) Bosch high pressure common rail w/ CP4 injection pump and Piezo injectors |
Valvetrain | OHV (overhead valve), 4 valves per cylinder, mechanical roller lifters |
Oil Capacity | 10 quarts w/ filter (9.5 liters) |
Fuel Compatibility | Ultra low sulfur diesel (ULSD) or max B20 biodiesel blend |
Max Shift RPM | 3,000 rpm |
Peak Horsepower | 397 hp @ 3,000 rpm |
Peak Torque | 765 lb-ft @ 1,600 rpm |
Engine Dimensions | Length: Approx 30"; Width: Approx 30"; Height: Approx 32" |
6.6L Duramax L5P Specs
Engine | 6.6L Duramax L5P, 90° V-8 diesel |
Assembly Location | DMAX assembly plant in Moraine, Ohio |
Years Produced | 2017 - |
VIN Code | Y |
Displacement | 403 cubic inches, 6.6 liters |
Assembly Site | DMAX engine plant, Moraine, Ohio |
Head/Block Material | Aluminum cylinder heads, cast iron engine block w/ induction hardened cylinder walls |
Compression Ratio | 16.0 : 1 |
Firing Order | 1-2-7-8-4-5-6-3 |
Bore | 4.055" (103 mm) |
Stroke | 3.897" (99 mm) |
Aspiration | Electronically controlled and actuated variable geometry turbocharger, air-to-air intercooler |
Injection | Direct injection, 29,000 psi high pressure common rail, solenoid injectors delivering up to 7 injection events per combustion sequence |
Valvetrain | OHV (overhead valve), 4 valves per cylinder (32 valve) |
Oil Capacity | 10 qts w/ filter |
Fuel Compatibility | Ultra low sulfur diesel (ULSD) or max B20 biodiesel blend |
Max Engine Speed | 3,450 rpm |
Peak Horsepower | 445 hp @ 2,800 rpm |
Peak Torque | 910 lb-ft @ 1,600 rpm |
LS3 6.2L TECH SPECS
Engine Type | LS-Series Gen IV Small-Block V-8 |
Displacement | 376ci (6.2L) |
Bore x Stroke | 4.065'' x 3.622'' (103.25 x 92mm) |
Block | Cast-aluminum with six-bolt, cross-bolted main caps |
Crankshaft | Nodular iron |
Connecting Rods | Powdered metal |
Pistons | Hypereutectic aluminum |
Camshaft Type | Hydraulic roller |
Valve Lift | .551'' intake / .522'' exhaust |
Camshaft Duration (@.050 in.) | 204° intake / 211° exhaust |
Cylinder Heads | Aluminum L92-style port; ''as cast'' with 68cc chambers |
Valve Size | 2.165'' intake / 1.590'' exhaust |
Compression Ratio | 10.7:1 |
Rocker Arms | Investment-cast, roller trunnion |
Rocker Arm Ratio | 1.7:1 |
Recommended Fuel | 92 octane |
Maximum Recommended rpm | 6600 |
Reluctor Wheel | 58X |
Balanced | Internal |