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  • Cosworth BOA FBA FBC V6 Engine (1991-)
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Engines
1990s
Britain

The Cosworth FBA and FBC V6 Engine "BOA"

Cosworth  FBA and FBC V6 Engine

The FBA and FBC engines were found in the Ford Granada and Ford Scorpio Ultima. The FBA came first in 1991 also known as the 'BOA', it was based on the Ford Cologne V6 used in the Ford Sierra and Ford Capri and other models and was a twin overhead camshaft 24valve conversion for more power, producing 195 metric horsepower (143 kW; 192 bhp) and better idle quality.

In 1995, with a new version of the Scorpio, it was upgraded with a wider torque spread and higher power - to 204 PS (150 kW; 201 hp), from a variable intake system and reprofiled cams. The NVH was improved with a change from a single chain to drive all four camshafts - to one chain to drive one bank of cams and a second for the other bank, this engine was known as the 'BOB'.

A racing version was also available for a short time - FBE - with individual throttle butterflies for each cylinder.

FBB and FBD engines did exist as development engines but these were never released.

The two production engines were always mated to an automatic gearbox but have become popular in the custom car scene where they have been mated to the 4x4 manual transmission and the rear-wheel-drive manual transmission from the Ford Sierra XR4 and XR4x4. There are also companies that offer twin and single turbo conversions, and other modifications to increase power to usually around 400 bhp (300 kW). These engines can be bought relatively cheaply and providing they are well serviced, engines have been known to cover over 200,000 miles without major work being required

The Cosworth  Engine in a ford Granada

Cosworth-granada-Engine

Related items
Ford Scorpio | Petrol Engines | Ford V6 engines | V6 engines | Ford Granada | Ford Cologne V6 | Cosworth

Technical

Technical
  • Cosworth FBA FBC BOA V6 Engine Tehnical details and specifications (1991-)

    Ford Engine code: BOA 2.9L

    No. of cylinders 6/DOHC
    Capacity 2936 cc
    Firing order 1-4-2-5-3-6
    Compression ratio 9.7:1
    Suitable for unleaded petrol Yes
    Diagnostic socket Yes
    Ignition coil Make Motorcraft
    Fuel system pressure 2.75-3.0 bar
    Injector 15-17 Ohm
    Thermostat opens 79-83°C
    Starter motor Make Bosch Type 0 001 108 084
    Minimum starting voltage 10.0V
    Maximum cranking amps 146-178A
    Regulated voltage 13.7-14.6V

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