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Mercury Racing’s 7.0 L DOHC LSx Engine

Published in engineswapdepot.com

Mercury Racing debuted their new DOHC 32-valve SB4 7.0 L V8 crate engine at SEMA 2016. They used the technology developed from their 9.0 L QC4 engine platform to develop this engine. The naturally aspirated motor produces 775 horsepower at 7,500 RPM on pump fuel. The DOHC LSx motor uses a custom Callies DragonSlayer crank designed by Mercury Racing, Carrillo H-Beam rods and Mahle pistons. The engine retails for $28,995.

Mercury Racing 32v DOHC 7.0 L LSx V8

Mercury Racing 32v DOHC 7.0 L LSx V8

Mercury Racing 32v DOHC 7.0 L LSx V8

Mercury Racing 32v DOHC 7.0 L LSx V8

Mercury Racing 32v DOHC 7.0 L LSx V8

Mercury Racing 32v DOHC 7.0 L LSx V8

Full Motor Specs:

Transmission Rated Power775 hp / 578 kW @ 7500 rpm
RPM Limit8000 rpm
ConfigurationV-8, 32-Valve Double Overhead Cam (DOHC)
Valve ActuationShaft Mounted, End Pivot Finger Follower with Mechanical Lash Adjustment
Displacement428 ci / 7.0 L
Bore4.125 in / 104.775 mm
Stroke104.775 in / 101.60 mm
Compression Ratio11.7:1
Induction SystemNaturally Aspirated with Twin Electronic Throttle Bodies
Fuel SystemSequential Port Fuel Injected (SPFI)
FuelUnleaded 91 Octane (R + M/2)
Ignition SystemIndividual Coil on Plug, with Integrated Drivers
Charging SystemFully Regulated Belt Driven - 165 Amp (2327 Watt)
ControllerMercury Racing PCM
Cooling SystemWater Cooled with 160-degree (71 C) Thermostat
Lubrication SystemWet Sump w/4th Gen Camaro LS1 Pan, GM High Volume Oil Pump
OilSynthetic 10W-30 API Service Classification SL, SM, or SN
Oil Capacity with Filter7 qt / 6.6 L
TransmissionEngine is Capable of Operating with Customer Supplied Manual or Automatic Transmission
Length (From back of block to front of engine - crank pulley)27.1 in / 688 mm
Width (Across Timing Belt Cover)30.25 in / 769 mm
Width (Across Rear of Cylinder Headers)29.1 in / 740 mm
Height (From Crankshaft Centerline to Top of Throttle Body Motors)17.1 in / 435 mm
Weight (Without Accessory Drive)498 lb / 226 kg

Source: Mercury Racing

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