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The 1969–1972 Aston Martin DBS V8 coupe/convertible was Aston Martin's first V8 model. This engine was an all-aluminium construction with double overhead camshafts and was used in several models up until 2000 when the Virage model was discontinued.
The power upgrade was called the V8 Vantage Power Upgrade, creating a more potent version of the Aston Martin 4.3-litre V8 engine with an increase in peak power of 20 bhp (15 kW; 20 PS) to 400 bhp (298 kW; 406 PS) while peak torque increased by 10 N⋅m (7 lb⋅ft) to 420 N⋅m (310 lb⋅ft).
This engine is unique to Aston Martin and features race-style dry-sump lubrication, which enables it to be mounted low to lower the centre of gravity. The firing order is the same as the other AJ-V8 engines although the cylinder numbering is different (AJ37 = 1-5-4-2-6-3-7-8 vs. AJ26 = 1-2-7-3-4-5-6-8).
The Aston Martin Vantage GT2's engine is a modified version of the standard 4.3-litre AJ37 V8 from the road car. The larger 4.5-litre engine retains the road car's cylinder block, heads and crankshaft, but uses competition components, including cylinder heads, con-rods, valves, camshafts and a racing exhaust system.
The Aston Martin Vantage GT4 is the evolution of the successful Aston Martin V8 Vantage N24 car. It has an enlarged 4.7-litre engine and uprated suspension, allowing for increased camber and castor angles. The brakes have also been uprated with larger diameter front discs and racing pads.
Aston Martin V8. Aston Martin's DOHC V8 used a hemispherical chamber during the late 1960s through to the late 1980s. Each of four cams controlled one set of valves per cylinder bank. The Aston Martin V8 5.3 L (5340 cc/325 in 3) produced 315 hp (235 kW) gross.
The 1969–1972 Aston Martin DBS V8 coupe/convertible was Aston Martin's first V8 model. This engine was an all-aluminium construction with double overhead camshafts and was used in several models until 2000, when the Virage model was discontinued.
By bringing engine production back to within Aston Martin, the promise was that Aston Martin would be able to produce small runs of higher performance variants' engines. [ 67 ] [ 68 ] This expanded engine capacity allowed the entry-level V8 Vantage sports car to enter production at the Gaydon factory in 2006, joining the DB9 and DB9 Volante.