Resurrecting Oldsmobile’s Experimental 32-Valve W-43 455 V-8 Engine
2024年3月10日 · With the centrally located spark plugs, the W-43 has the look of a hemi engine, but relies on conventional pent-roof combustion chambers. The cast aluminum valve covers for this restored engine were painstakingly recreated and look stunning.
The W-43 Saga: Oldsmobile’s Experimental 32-Valve 455 V8
2022年2月24日 · Oldsmobile came out with the first Hemi engine or had a prototype before Mopar which was approximately rated at 700 ft lb of torque and over 600 HP. There was naturally aspirated for 55 and 1968 6970 who were easily making 10 and a half seconds 11 seconds in a …
Oldsmobile’s W-43 V-8 Engine Was a “Killer” 32-Valve Prototype
2024年3月1日 · Work on the prototype W-43 V-8 shown here—a 455-cubic-inch muscle motor topped with heads sporting four valves per cylinder—began in earnest in the fall of 1967, though some of its technology had been in the engine lab for years. One-upmanship was clearly at play in the W-43’s genesis.
The W43: Oldsmobile’s DOHC 455 V8 That Never Was
The engineers were not satisfied, so they created a new performance objective that led to the approval of the W43: A four valve per cylinder, semi-hemi pushrod V8 based on the new-for-1968 Rocket 455. Oldsmobile engineers kept available components whenever possible to …
1970 Oldsmobile 442 W-43, the One-Off 560-HP 455 V8 Ogre …
2024年11月24日 · At the time, it was dubbed a ‘hemi’ due to the shape of its combustion chambers. It was, in fact, not a hemispherical-head engine but a PentRoof design developed to accommodate the large...
Insanely Rare W-43 455ci Oldsmobile Hemi Engine Up For Sale
2011年10月24日 · This was Oldsmobile’s first attempt at a real hemi-style engine design, that most people probably never knew existed. The engine was based off of Oldsmobile’s 455 Rocket block design, although technically it was a one-off design, manufactured to accept Oldsmobile’s real 4 valves per cylinder special hemispherical prototype cylinder head.
Bringing The Near-Mythical W-43 32-Valve Oldsmobile V-8 To
2024年12月6日 · Reportedly one of two built, this restored Olds W-43 four-valve 455 engine is the result of several years of painstaking research, reverse engineering, and one-off craftsmanship, spearheaded by Inline Tube co-founder James Kryta.
1964 - 1990 Experimental 455 Engines - ClassicOldsmobile.com
The W-45 was an experimental engine that Olds developed to compete with the Chrysler Hemi. It was a overhead cam of some sort. The engine (pushrod version) was developed in the mid-60s for anticipated introduction in 1970, but was killed in late 1967 as a result of the coming emissions controls and the insurance industry putting the screws to ...
Oldsmobile History
Various sources have described this engine as a hemi (it isn’t) or a Can-Am engine (that was never its purpose) or a double overhead-cam design (nope). In truth, the W-43 was a conventional overhead-valve, pushrod V8, in the classic Motor City style, but with special cylinder heads and valvetrain that provided four valves per cylinder.
History of the Buick and Oldsmobile 455 Engines | It Still Runs
The Buick and Oldsmobile 455-cubic-inch V-8 engines are separate powerplants produced by the two automakers under the General Motors umbrella. Each featured different bore and stroke dimensions and horsepower ratings. The two 455s were clearly Buick and Oldsmobile's answer to the muscle car rate of the 1960s and ...