10 Highest HORSEPOWER Classic American Muscle Cars Ever Made!

When it comes to horsepower, there are few substitutes for what American cars have to offer. Due to American cars not being taxed on their engine size, manufacturers can get away with making some pretty big engines. The result is countless vehicles that have become especially well-known for the power and torque that they possess. Powerful classic cars can be found out in the wild, each of which brought something unique to the table in terms of design and performance.

With so many vehicles hailing from the classic era, we've taken the liberty of seeking out the most powerful American cars and exploring not only where this power came from, but also what made the vehicle such a catch back in the day. So, join us as we delve into a range of classic American cars so powerful that not a single one of them offers any less than 400 horsepower.

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Chapters:
00:00 intro
00:14 1964 Dodge Dart 330
01:27 1965 Shelby Cobra (Street)
02:38 1966 Chevrolet Corvette L72
03:57 1969 Dodge Charger R/T (426 Hemi)
05:10 1970 Plymouth Barracuda
06:21 1971 Chevrolet Corvette ZR2
06:59 1969 Chevrolet Camaro ZL1
07:46 1970 Chevrolet Chevelle SS 454
09:13 1996 Dodge Viper GTS
10:37 1970 Chevrolet Corvette ZR1 (LS7)

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[craigsheppard]

Let's see here, the last one, LS-7 was a 454, not a 427, while it was rated at 460 hp, it actually put out more like 600, same as the ZL-1. The LS-7 was never put in a production car. The L-72 427 put out at least 450 and the L-88 put out 540 hp and 560 lbsft of torque. As for the hemi, i'm sure that it put out at least 500 hp. Also, what they showed to be an LS-7 Corvette was actually a LT-1 Vette, you can see that in the video. Chevy NEVER put the LS-7 in a production car, it was an over the counter race motor. I'm sure this comment will open up a big can of worms, but so be it.

[tko]

The Chevrolet Corvette and the Shelby Cobra is not a muscle car, they are purpose-built sports car.

[warpmine]

The LS-7 didn't have Ti intake valves nor was it ever factory installed in a Corvette so WTF are you talking about?

[BobbyTucker]

RE: 6:55 : Checking the spec numbers of the 454/425 engine in the Corvette ZR2, you have it labelled at 5.7 liters, if anything it would be 7.5 liters I'm sure others have noticed it too. I really like your show, I'm subbed now.

[donnysmith]

The 426 Hemi was NOT banned from Drag Racing, BUT it was banned from NASCAR because they didn't produce enough cars with that engine

[dbx]

Checkout 10:28, this thing is actually spitting out Viper Venom. That cameraman was taking a huge risk by getting that close.

[vinsblack]

holy smoke, that's kick ass design the Chevrolet Corvette which look like came out from a movie

[TomT-cy]

Honorable Mention: The Ford Pantera at 330 HP! Just a incredible design! 9:24 That idiot almost hit that Ferrari! Thank you, great video!

[Baseball]

That blue Corvette was smoking more than I like to see. Beautiful ride, but why so much smoke?

[rickcorey]

Umm a zl1 camaro has an all aluminum 427 ci big block. You were combining the L72 copo cars with the zl1.

[bluesky-udwg]

These are all Rated HP numbers. The L88 is the King period by far....

[keithreeser]

I own a 2015 corvette stingray and i love it!

[cbrne]

In 1999 the Dodge Viper ACR had 460 HP and 500 LB-FT of torque out of the factory.

[mickeymooseize]

You left out Oldsmobiles. My fathers Tornado had 400hp from the factory. My 68 H/0 had the same. We all know they under-rated horse power from the factory as well. My 1970-W-30 (455 with Aluminum heads) has 435hp from the factory as well.

[trentmatthews]

Chryslers 426 hemi actually made over 500 horses till chrysler detuned it for street use. Rumour had it that it could smash out closer to 600 if unleashed.

[LAALLARD]

Distributorless ignition in the 71 ZR2? WAY ahead of it's time!!

[JackDavenport-ej]

Had a 68 vette 427 remove. Hardtop. 4 sp. I had it up to 145. Seemed to float.😅

[geobabalis]

Correction-454 ZR2 Corvette is 7439cc not 5, 7 as you state

[nickcraft]

You have almost all the facts about the ZL-1 Camaro wrong. And you were clearly showing Barracudas with 440ci engines, not hemis. And most (if not all) of the horsepower ratings were the low-ball claims they made to downplay what they really had. There were several engines in muscle cars putting out 575-600 horsepower.

[mikatamminen]

1970 ZR1 had a 370 LT-1 350...no LS-7 was ever installed in a car