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Ford GAA engine

Ford GAA
Overview
ManufacturerFord Motor Company
Production1940-1950
Layout
Configuration60° V8
Displacement1,100 cu in (18 L)
Cylinder bore5.4 in (137 mm)
Piston stroke6.0 in (152 mm)
ValvetrainDOHC
Compression ratio7.5:1
Combustion
Fuel systemNaturally aspirated engine with Stromberg NA-Y5-G carburetors[1]
Fuel typeGasoline
Cooling systemLiquid
Output
Power output500 hp (373 kW) @ 2,600 rpm
Torque output1,050 ft⋅lbf (1,424 N⋅m) @ 2,200 rpm
Dimensions
Length59.02 in (150 cm)
Width33.25 in (84 cm)
Height47.78 in (121 cm)
Dry weight1,470 lb (667 kg)

The Ford GAA engine is an American all-aluminum 32-valve DOHC 60-degree liquid-cooled V8 internal combustion engine with a flat-plane crank designed and produced by the Ford Motor Company before and during World War II. It features twin Stromberg NA-Y5-G carburetors,[2] dual magnetos and twin spark plugs making up a full dual ignition system,[2] and crossflow induction.[3] It displaces 1,100 cu in (18 L) and puts out well over 1,000 pound-feet (1,400 N⋅m) of torque from idle to 2,200 rpm. The factory-rated net output was 500 hp (370 kW) at 2,600 rpm.

The GAA powered several models and derivatives of the M4A3 Sherman medium tank.

  1. ^ Berndt, Thomas. Standard Catalog of U.S. Military Vehicles (Krause Publications, 1993), p.193.
  2. ^ a b Berndt, p.190.
  3. ^ Berndt, pp.190 & 193.

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