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Chrysler developed its first experimental hemi engine for the Republic P-47 Thunderbolt fighter aircraft. The XIV-2220 was an inverted V16 rated at 2,500 hp (1,860 kW). The P-47 was already in production with a Pratt & Whitney radial engine when the XIV-2220 flew successfully in trials in 1945 as a possible upgrade, but the war was winding down and it did not go into production.
In this way, the "Hemi" moniker was used for the same kind of marketing cachet as Chrysler's 1950s-1970s Hemi V8 engines. The Hemi-6 valves are angled apart (splayed) 18 degrees (included angle) along the crankshaft axis, and the intake valves are as large as 1.96 in (50 mm). The 6 intake and 6 exhaust valves open slightly towards each other ...
While this early effort to match the vacuum-controlled EGR volume more accurately to the engine's load made sense in a conventional engine, it had the effect of causing pinging (detonation) problems in the V8-6-4 engine, because four cylinders operating under higher load needed more EGR, while they were actually producing less exhaust flow and ...
The 100th Anniversary Edition is a version of the 2014 Dodge Charger SXT Plus with the Pentastar V6 engine or R/T Plus with HEMI V-8 engine, commemorating the 100th anniversary of brothers Horace Elgin Dodge and John Francis Dodge introducing the Dodge Model 30, with choice of 8 body colors (Pitch Black, Bright White, Billet Silver, Granite ...
Beginning in 1967, Chrysler decided that the Hemi should be available only in their badged muscle cars: the Dodge Charger, Coronet R/T, and the Plymouth Belvedere GTX. The top engine option for the rest of the Coronet line was supposed to be the 383-ci, 4-barrel V8. Despite this, some Hemi-powered 1967 Coronet Deluxe two-door sedans were produced.
To boost power at lower and mid rpms, a special intake manifold was derived. Instead of the normal V8 central intake manifold with carburetor(s) on top, the cross-ram consisted of two pairs of 30 in (760 mm) long tuned pipes that criss-crossed so that each set fed the opposite side of the engine. The carburetors and air cleaners hung off the ...
A cylinder head of a four valve Nissan VQ engine engine. A multi-valve or multivalve engine is one where each cylinder has more than two valves (an intake, and an exhaust).A multi-valve engine has better breathing, and with more smaller valves (having less mass in motion) may be able to operate at higher revolutions per minute (RPM) than a two-valve engine, delivering more power.
Work Completed: Engine performance problem resolved by replacing one of the VarioRam lifters in the intake manifold, shock absorbers replaced with custom-made coilovers complete with Wheeler Dealers logos on top of the strut mounts, brake backing plates and suspension drop links replaced, faulty rear spoiler mechanism fixed by replacing broken ...