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Posts Tagged: HP

Pontiac named its most famous option package after a punchline from a late-sixties sketch comedy show, and it worked well enough that the name outlived the company. Line a 1969 GTO Judge with the 366-horsepower Ram Air III against a custom 2006 GTO running a twin-turbo LS2 at roughly 750 horsepower and you have two cars wearing the same badge and chasing the same reputation by completely opposite methods. Read on to find out which approach actually holds up.

A 1969 GTO Ram Air IV, one of only 759 built that year, takes on a 1970 Chevelle SS454 LS6, Chevrolet’s most powerful factory big block of the era, in a quarter-mile pass that ends in a burnout as memorable as the race itself. An original LS6 owner in the comments confirms the car’s biggest weakness was never power, it was getting that much torque to the pavement. The Ram Air IV gives up 80 horsepower on paper but does not give up the fight. Watch the full run to see how it closes the gap.

This 1969 Camaro already looked finished when its new owner bought it: fresh silver paint, red leather interior, professional build quality throughout. Then he found out what was actually sitting under that hood, and decided a freshly completed car wasn’t nearly finished enough. What came next involved a 540 cubic inch big block, a six-speed manual, and a shop that specializes in exactly this kind of relentless refinement.

Jamboolio’s 2018 muscle car sound reel skips the reviews and interviews entirely, letting eight cars speak for themselves — from a nitrous-fed 1,000-horsepower 1967 Camaro to a supercharged 572 Hemi Challenger. It is pure cold-start-to-redline audio, the kind that racked up more than 4.4 million views without a single word of narration. Viewers call it the best kind of white noise. Watch to hear what all the fuss is about.

This 1973 Dodge Charger claims a custom 605 cubic inch big block making 805 horsepower, numbers that were never remotely possible from the factory. A real ’73 Charger Rallye topped out around 280 horsepower from its 440 Magnum, respectable for the era but nowhere close to this. So what does it take to turn a genuine Rallye-package Charger into an 800-horsepower monster, and how much of the original car survives the transformation?

A heavily tuned Corvette ZR1 lined up against two of Mercedes-AMG’s most respected performance coupes on a Russian drag strip, and the numbers alone couldn’t predict who’d win. Years after DragTimes filmed the matchup, the comment section is still arguing about reaction times, tuning philosophy, and whether an American small-block had any business beating two AMG builds in one afternoon. Watch to see how close it actually was.

Every 1970 SS 396 Chevelle is quietly lying to you — the badge says 396, but Chevrolet actually bored the engine out to 402 cubic inches that year. Here’s why the numbers stopped matching, and why it didn’t change a thing about how these cars perform.

V8TV marked the Camaro’s 50th anniversary in 2017 by pulling a genuinely rare example out of the private Brothers Collection: a Granada Gold 1967 Camaro SS396 convertible carrying the top 375-horsepower engine option. Every layer of specification, body style, engine output, and color, makes this a harder car to find than a standard SS396. See exactly what earned it an episode of Muscle Car of the Week.

This 1969 Dodge Charger R/T pairs the factory-rated 425-horsepower 426 Hemi with a rare 3-speed automatic transmission, a combination found in only a few hundred of the more than 20,000 Charger R/Ts built that year. Part of the Brothers Collection, it carries just over 50,000 original miles. Watch to see what made this specific combination so unusual.

Plymouth’s 1969.5 Road Runner A12 traded the expensive 426 Hemi for three two-barrel carburetors, a lift-off fiberglass hood, and a genuinely stripped-down attitude – no hubcaps included. Only 615 were built, split between automatic and 4-speed manual transmissions, backed by a 390-horsepower 440 that could turn high-12-second quarter miles in period testing. It was Plymouth’s answer for buyers who wanted Hemi-level intimidation without the Hemi-level invoice.

Rumors chasing the Dodge Challenger SRT Demon”s horsepower figure climbed past 900 before SRT”s engineers ever finished their own testing. When the official SAE-certified number finally landed, it told a different story — one backed by an NHRA-certified quarter-mile run instead of internet speculation. Here is what the real number turned out to be, and why it did not need any exaggeration to make history.

A 1972 Plymouth GTX and Road Runner running a modified 318 small block, re-sleeved to accept 340 pistons, takes on a 1994 Impala SS riding on chrome 20s and a factory 260-horsepower LT1. Comments from nearly two decades of viewers confirm the budget build held up long after the cameras stopped rolling. Watch to see why the Impala’s driver stopped smiling by the end of the run.

RamblinAround tracks down one of only 503 original 1969 Dodge Charger Daytonas ever built, still running its factory 440 V8 and finished in correct T5 Copper paint. The Daytona’s nose cone and rear wing were built to break NASCAR speed records, and did, forcing the sport to change its rules. Watch to see the winged Mopar that inspired decades of dream-car regret in the comments.

This chopped, chrome-heavy 1950 Cadillac street rod is built on the same Series 62 platform that carried Cadillac’s groundbreaking new V8 into showrooms that year. Today it runs a modern 6.2 liter engine making over 500 horsepower. Here is what made the original Cadillac V8 such a big deal, and how far this build has taken it.

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