5681342148 Dyno Tested LS3 6.2L 525HP with front accessory drive system and T56 transmission.

Ohio Speed Shops engine packages are built as ordered so we can provide you personalized options and service.

Ohio Speed Shops Dyno Tested LS3 6.2L 525HP Engine Package Includes:

• FREE 48 State Truck Freight Shipping
• Initial engine break-in on dyno prior to test and tuning.
• Engine Dyno Tested and Tuned.
• Self Learning Holley Terminator X engine harness, ecu and 3.5" touchscreen display.
• Polished cast aluminum 4150 flange LS3 intake manifold.
• Universal 4-Barrel Design, 4150 carb style linkage, 1000cfm, throttle body.
• Polished scoop with internal air filter.
• Black billet fuel rails, plumbed for driver’s side rear inlet. Setup for no return EFI fuel pump.
• 522-428X Holley EV6 42lbs Injectors.
• 554-102 Holley Fuel Press Sensor.
• Installed Polished CVF HD 8-Rib Serpentine Drive System A/C, GM Type II P/S pump & 140amp Alt.
• Remote power steering reservoir, hose and fitting package.
• PW30700 Painless Performance High Amp Alternator Wiring Kit.
• Polished finned cast aluminum coil covers.
• Your choice of engine block color: natural, black, Chevy orange or bright red.
• New PMGR Starter with bolts
• Your choice of oil pan: Holley 302-1, Holley 302-2, Holley 302-3, GM F/body, GM C6, Chevy Performance Musclecar Pan.

Engine Specifications:

• Power: 525 HP @ 6200 RPM, 486 ft. lbs. of torque @ 5200 RPM.
• Brand New GM LS3 long block
• Engine size: 376 CID 6.2L
• Bore / Stroke: 4.065” x 3.622”
• Engine block: Aluminum
• Camshaft: Hydraulic Roller, Duration 226I / 236E, Lift .525I / .525E, LSA 110
• Compression Ratio: 10.7:1
• Recommended Fuel: 91 Octane
• Maximum Recommended RPM: 6600

Tremec T56 Transmission Base Package (Contact us for complete YMM specific T56 swap packages)

• GM Tremec Magnum 6-Speed, TUET11009 2.66 1.78 1.30 1.00 .80 .63 ratios
• Aluminum GM LS/LT bellhousing with hardware.
• HD roller pilot bearing.
• Steel flywheel 6-bolt, 168T.
• 6911-07 McLeod RST Twin Disc Clutch package.
• Flywheel and pressure plate bolt & hardware kit.
• HGMAGLSSK hydraulic slave/throw-out bearing package.
• Transmission mount and hardware package.
• 4QT T56 Break-in transmission fluid.
• 4QT Redline MTL 75W80 GL-4 transmission fluid.

Tremec T56 Transmission Details:

• 700 ft-lbs of torque capacity.
• Multiple shifter locations & dual speedo pickups for unmatched versatility.
• Incredibly short, extremely low-effort shift throws, with crisp, precise engagement.
• 26-spline input shaft, 4616 chromoly gears and shafts, one-piece counter shaft, triple cone synchros.
• Modern OE supercar technology.
• Reasonably light at 135 lbs. dry.

Engines are built as ordered so changes can be made such as: engine trim, serpentine drive configuration, engine paint, oil pan, etc.

CVF Racing front accessory drives are available with or without A/C, with or without P/S, Saginaw, GM Type II or Hydro Boost power steering pumps available. Black, Polished and other finishes available.