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An evolution of the 1964 DOHC prototype “XJ13” engine, the Jaguar V12 engine is a family of SOHC internal combustion V12 engines with a common block design, that were mass-produced by Jaguar Cars for a quarter of a century, from 1971 to 1997, mostly as 5.3‑litres, but later also as 6‑litres, and 7‑litre versions that were deployed in racing.
It also features higher flowing cylinder heads sourced from the L92, a more aggressive camshaft with 0.551 in (14 mm) lift, a 10.7:1 compression ratio, a revised valvetrain with 0.236 in (6 mm) offset intake rocker arms, a high-flow intake manifold, and 47 lb (21 kg)/hour fuel injectors from the LS7 engine.
The 2.0 L (1,979 cc) CIH was based on the 1.9 litre version, with the bore expanded to 95 mm (3.74 in) while the stroke remained 69.8 mm (2.75 in). Unlike the earlier 1.9, the 2.0 received hydraulic tappets. Developed to counteract the diminishing outputs which resulted from stricter emissions rules, the 2.0 was available in carburetted or fuel ...
The High Value engine family from General Motors is a group of cam-in-block or overhead valve V6 engines.These engines feature cast iron blocks and aluminum heads, and use the same 60° vee bank as the 60° V6 family they are based on, but the new 99 mm (3.90 in) bore required offsetting the bores by 1.5 mm (0.059 in) away from the engine center line.
A hemispherical head ("hemi-head") gives an efficient combustion chamber with minimal heat loss to the head, and allows for two large valves.However, a hemi-head usually allows no more than two valves per cylinder due to the difficulty in arranging the valve gear for four valves at diverging angles, and these large valves are necessarily heavier than those in a multi-valve engine of similar ...
Weslake & Co also known as Weslake Research and Development was founded by Harry Weslake, described as England's greatest expert on cylinder head design, [1] [2] with premises in Rye, East Sussex, England. [3] Weslake is most famous for its work with Bentley, Austin, Jaguar and the Gulf-Wyer Ford GT40 Mk.I.
The 5.8 is formally known as the Trinity Engine or 5.8-liter V8 engine, which benefits from cylinder heads with improved coolant flow, Ford GT camshafts, piston-cooling oil jets similar to those found on the 5.0 Coyote, new 5-layer MLS head gaskets, an over-rev function that increases the red line to 7000 rpm for up to 8 seconds (from 6250 rpm ...
This compared to a Car Life road test of a 400 cu in (6.6 L) powered GTO with a Ram Air engine, four-speed transmission, and 3.90 gear, which did 0–60 in 6.6 seconds, 0–100 in 14.6 seconds, and the 1/4 mile in 14.53 at 99.7 mph. Car and Driver wrote that the 428 cu in (7.0 L) powered car was "a fine, exciting car for either touring or ...