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What Are "High Compression Intake Valves"?

Dibbons

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Maybe the girl (Lisa Wells) writing the article meant to say pistons?

The 1966 Oldsmobile Toronado was named Motor Trend magazine’s “Car of the Year.” The winning car housed a 385-horsepower V-8, called the Super Rocket 425, specially engineered with high compression intake valves. The car was called a feat of engineering. It employed front-wheel-drive locomotion, designed with the feel of a rear-wheel-drive.

Neither did it weigh 4,800 pound as stated in the article.

I found this lower weight after an internet search:
Despite an average weight of 4,500 lb (2,041 kg), published performance test data shows the 1966 Toronado was capable of accelerating from 0–60 mph (0–97 km/h) in 7.5 seconds, and through the standing 1/4 mile (~400 m) in 16.4 seconds at 93 mph (150 km/h). It was also capable of a maximum speed of 135 mph (217 km/h).

https://www.heraldweekly.com/the-fi...&utm_campaign=vintagecars_t10@tehila&ld_trk=1
 
"a burly 2-barrel 5.2 liter 375-HP engine." (hee-hee)

The ’68 Charger came equipped with new features, like power-window safety lockout, recessed ashtrays, and padding on the dash. A V-8 engine was a popular option. Yet, the standard engine featured a burly 2-barrel 5.2-liter 375-HP engine. As an optional feature, Road and Track (R/T), was introduced in ’67, a muscle car innovation that included anti-roll bar, hefty front torsion bars, rear leaf springs, shock absorbers, and the largest standard engine and brakes available.
 
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"lifter heads" on the '65 Ford Mustang

The “High Performance 289” badge on the front fender was no gimmick. This car was built for performance. Upgraded pistons, cylinder heads, carburetor, lifter heads, and connecting rods meant business, as did the chrome air cleaner and valve covers sparkling under the hood. Ford knew drivers of these vehicles would push it to its limit, so a warranty on a Mustang K-Code covered just 3 months, as opposed to the 12-month warranty on a standard Mustang
 
"a full six transmissions were available ... two 3-speeds, one 4-speed, and two automatics" My math figures a total of five transmissions.

1967 Chevy Chevelle

“What you’ll see inside will probably bring on a severe compulsion to go driving.” So claimed a sales brochure for the 1967 Chevy Chevelle. The base model tore up the streets with a 325-horsepower engine, but you could upgrade to the SuperSport and commandeer a thundering 375-horsepower V-8. There were no shortages of choices in the Chevelle - a full six different transmissions were available.

There were two three-speed manuals, one four-speed, and two automatics to choose from. Plus, the Turbo Hydra-Matic transmission was tempting. Convertible or hardtop, 2-door coupe or 4-door sedan, two-seat station wagon, the selections went on. All Chevy Chevelle models were framed with a sparkling chrome grille that stretched across the front and rear ends. Bold lines in steel design left no doubt that this was a serious muscle car worthy of its name.
 
"overdrive engine" what an innovation!

1964 Chevrolet Bel Air
The 1964 Bel Air was a 4-door, 6-passenger sedan with a 283 cu. in. V-8 Turbo-Fire overdrive engine, and an upper-class image as a 1950s Hollywood celebrity wagon. In the ’60s, that well-appointed space went to the middle class, with plenty of room for families.
 
The origin of the name "442" for the Oldsmobile seems to now be in question.

1967 Oldsmobile 442
The 1967 Oldsmobile 442 was a solid reply to the groundbreaking Pontiac GTO. Introducing the 442, the badge meaning a 400-engine, a 4-barrel carburetor, and “2” for dual exhaust, was all about muscle. The big-block 400 brought 350 horsepower and 440 ft. lb. torque. Setting a B/Pure stock national record, the 1967 442 commanded attention on national drag strips.

Internet search:

Oldsmobile was quick to respond to Pontiac’s smash hit GTO with a sporty midsize of its own. While Pontiac went with an abbreviation of Gran Turismo Homologato, Olds went with a shortened numerical indicator “442.” When the package for the A-body F-85 and Cutlass launched in 1964, the moniker stood for four-barrel carburetor, four-speed transmission, and dual exhaust, although the reasoning for the name changed in ’65.
 
And we now stand corrected, the standard motor for a 1968 Road Runner was the 440 Six Pack:

The 1968 Plymouth Roadrunner revised the body of the Belvedere into a formidable muscle car with the stuff to prove it rumbling under the hood. The standard model hosted a 440 cu. in. V-8, known as the 440 Six Pack. But a $714 upgrade delivered a 426 HEMI with a stampeding 425 horsepower. Motor Trend called it “the most brazenly pure, noncompromising super car in history.”
 
Out of all GMs I loved the olds and had a few nice ones back in the day !
 
The origin of the name "442" for the Oldsmobile seems to now be in question.

1967 Oldsmobile 442
The 1967 Oldsmobile 442 was a solid reply to the groundbreaking Pontiac GTO. Introducing the 442, the badge meaning a 400-engine, a 4-barrel carburetor, and “2” for dual exhaust, was all about muscle. The big-block 400 brought 350 horsepower and 440 ft. lb. torque. Setting a B/Pure stock national record, the 1967 442 commanded attention on national drag strips.

Internet search:

Oldsmobile was quick to respond to Pontiac’s smash hit GTO with a sporty midsize of its own. While Pontiac went with an abbreviation of Gran Turismo Homologato, Olds went with a shortened numerical indicator “442.” When the package for the A-body F-85 and Cutlass launched in 1964, the moniker stood for four-barrel carburetor, four-speed transmission, and dual exhaust, although the reasoning for the name changed in ’65.

In 65 All 442's were 4 spds, no option.... Starting in 66 the powers that be demanded an option of an automatic transmission so the advertising had to be watered down....
 
"a full six transmissions were available ... two 3-speeds, one 4-speed, and two automatics" My math figures a total of five transmissions.

1967 Chevy Chevelle

“What you’ll see inside will probably bring on a severe compulsion to go driving.” So claimed a sales brochure for the 1967 Chevy Chevelle. The base model tore up the streets with a 325-horsepower engine, but you could upgrade to the SuperSport and commandeer a thundering 375-horsepower V-8. There were no shortages of choices in the Chevelle - a full six different transmissions were available.

There were two three-speed manuals, one four-speed, and two automatics to choose from. Plus, the Turbo Hydra-Matic transmission was tempting. Convertible or hardtop, 2-door coupe or 4-door sedan, two-seat station wagon, the selections went on. All Chevy Chevelle models were framed with a sparkling chrome grille that stretched across the front and rear ends. Bold lines in steel design left no doubt that this was a serious muscle car worthy of its name.
They do say "Plus, the Turbo Hydra-Matic transmission"... but still their info was wrong. There were actually seven options.
M10 - 3 speed Transmission with Overdrive
M13 - Heavy Duty 3-speed Transmission
M20 - 4-Speed Transmission (wide ratio)
M21 - 4-Speed Transmission - Close Ratio
M22 - 4-Speed Transmission - Heavy Duty (rock crusher)
M35 - Powerglide Two Speed Automatic Transmission
M40 - Three Speed Automatic Transmission
 
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