The Mustang is without doubt one of the most acknowledged nameplates within the automotive business, and undeniably the face of the horse automobile breed, regardless of not being first to market. Launched for the 1964 mannequin 12 months, the first-gen mannequin was designed as a low-cost efficiency automobile for youthful consumers. It proved extremely common, with Ford promoting a whopping 400,000 throughout its first 12 months. Crucially, although, the Mustang provoked a solution from its rivals.
It did not take lengthy earlier than they responded — within the subsequent few years, each large American automobile model had a pony automobile in its lineup. Like the Mustang, these fashions had been reasonably priced, however in addition they began an arms race of unhinged big-block displacement capacities. Soon, this high-horsepower contagion encompassed the entire phase and gave us icons just like the Plymouth Hemi ‘Cuda, Chevrolet Camaro ZL1, and Pontiac Firebird Trans Am.
In this piece, we’ll have a more in-depth take a look at these fashions, plus different early-era pony automobiles — not simply the high-performance variants, but in addition the bottom fashions and mid-range V8 choices. Please be aware: We’ll record gross as a substitute of web horsepower scores, as they had been related for the time. In right now’s horsepower forex, these figures could be a lot decrease. With that sorted out, let’s dig into the thrifty sixes, sweet-spot small blocks, and homologated big-block screamers that formed the pony-car phase.
1967 to 1973 Mercury Cougar
In an alternate actuality, Ford Motor Company’s first pony automobile would’ve been Mercury-badged. Although it is remembered as Mustang’s posh sibling, the Cougar was on the drafting board first. In the tip, nonetheless, Mercury’s group continued engaged on the undertaking solely after the Mustang was launched.
Unsurprisingly, Ford’s premium arm used Mustang’s platform, however added 3 inches to Cougar’s wheelbase and geared up it with a softer-riding suspension and extra sound deadening. As a outcome, the Cougar was extra snug to take a seat and experience in, with the higher-quality inside making a extra upscale ambiance. The Cougar regarded the half, too, with a hanging full-width grille, hidden headlights, and broad slotted taillights.
The Cougar may’ve been comfort-oriented, but it surely did not miss on Mustang’s high-performance V8 engines. Initially it got here with the 289-cubic-inch small block V8 that produced as much as 225 horsepower with a four-barrel carburetor, and a 390-cubic-inch big-block V8s with as a lot as 325 hp. A 12 months later, the Cougar GT-E secured the legendary 427-cubic-inch V8, which wasn’t out there within the Mustang, making 390 hp. The 428-cubic-inch Cobra Jet V8 engine was additionally out there, although it was rated at decrease 340 hp. In 1969, Mercury gave clients an alternative choice with the 351-cubic-inch Windsor V8 (290 hp), and later threw the 351-cubic-inch Cleveland, Boss 302, and 429 CJ engines into the fray.
Buyers might select most of those energy trains with the non-obligatory XR-7G package deal, which improved on the Cougar’s seems to be with new wheels, hood scoop/pins, and an upmarket inside. Still, it is the Cougar GT-E that is probably the most performance-oriented, because it was additionally geared up with higher suspension and brakes. Unfortunately, whereas handbook transmissions had been out there, most Cougars had been bought with automatics.
1964 to 1974 Plymouth Barracuda / ‘Cuda
The Mustang is taken into account the horse automobile pioneer, however the Plymouth Barracuda beat it to the punch by 16 days. Still, Plymouth’s competitor was based mostly on an financial system automobile (the Valiant), so it wasn’t almost as profitable because the Mustang. Yes, it had some highlights, like a 273-cubic-inch V8 with 180 horsepower and later a 225-cubic-inch slant-6 with 235 hp, but it surely wasn’t till the second technology arrived that the Barracuda actually took off.
Launched for the 1967 mannequin 12 months, the second-gen Barracuda was once more based mostly on the Valiant, however had a brand-new design and extra engine choices. Plymouth added a 383-cubic-inch V8 with 280 hpupgraded to 300 hp for 1968 within the Super Commando variant. Plymouth additionally changed the 273-cubic-inch engine with a bigger 318-cubic-inch V8 variant and added a 340-cubic-inch V8 to the combo.
The Barracuda lastly parted methods with its compact-car roots for the third technology (1970 to 1974), based mostly on Chrysler’s E-body platform quite than the sooner fashions’ A-body. This let Plymouth shoehorn in Chrysler’s big-block V8s — the 440-cubic-inch Magnum V8 and 426-cubic-inch Hemi (385 and 425 hp respectively). Plymouth reserved them strictly for the high-performance ‘Cuda fashions, additionally geared up with an upgraded suspension, wider treads, shaker hood scoop, “Slap-Stick” ground shift handbook gearbox, and non-obligatory racing mirrors. These had been a number of the rarest pony automobiles, significantly the Hemi variants, of which solely 652 had been bought.
Due to the stricter emission rules, the legendary big-block V8s had been changed with the 340-cubic-inch V8 (240 hp) in 1972 after which the 360-cubic-inch V8 (245 hp) in 1973. The Plymouth Barracuda was final bought for 1974 and by no means resurrected once more.
1970 to 1974 Dodge Challenger
Dodge wasted no time delivering its model of the Plymouth Barracuda, the Dodge Challenger. It was based mostly on the identical E-body platform, however with a 2-inch-longer wheelbase and 1.5-inch-wider physique. Penned by designer Carl Cameron, the Challenger regarded trendy and aggressive, although internally it was largely just like the third-gen Barracuda.
Consequently, the Challenger shared the bottom 225-cubic-inch slant-6 with 145 horsepower, alongside the 318-cubic-inch V8 with 230 hp and the 340-cubic-inch V8 with 275 to 290 hp. Dodge additionally supplied the identical three-speed/four-speed handbook transmissions and a three-speed computerized. Of course, it is the big-block variants that did the Challenger’s eager design justice. The 383-cubic-inch variant was the usual engine choice within the performance-tuned Challenger R/T mannequin, producing 335 hp and 425 pound-feet of torque. The 440-cubic-inch Six Pack V8 and 426-cubic-inch Hemi engines had been out there as an improve, although solely with the R/T trim.
To deal with the added energy, the Challenger R/T was additionally geared up with a performance-tuned “Rallye” suspension with heavy-duty sway bars and brakes, twin exhaust, efficiency hood, and facet stripes with the R/T moniker. These had been essential upgrades, because the first-gen Challenger had a really fundamental suspension structure and wasn’t significantly good within the corners.
Like its rivals, the first-gen Challenger was hampered by the period’s stricter emission rules and better insurance coverage charges. So Dodge discontinued the 383-, 440-, and 426-cubic-inch Hemi V8s, leaving the 340-cubic-inch V8 with solely 240 hp because the best choice. A 12 months later, Dodge additionally axed the inline-6 choice, and for 1974 changed the 340-cubic-inch engine with the newer 360-cubic-inch V8 with 245 hp.
1967 to 1969 Chevrolet Camaro
A case may be made that Chevrolet, not Ford, pioneered the junior muscle automobile phase with the turbocharged rear-engine Corvair Monza in 1960. It proved surprisingly common, a lot in order that it triggered the unique Mustang’s launch. Ford’s pony automobile basically deleted the Corvair Monza out of existence, forcing GM to rethink the method and launch its personal V8-powered pony automobile — the 1967 Camaro.
Developed on a frantic schedule, the first-gen Camaro wasn’t a purpose-built sports activities automobile, piggybacking on the Nova’s F-body platform. Still, it had the engine vary essential to compete with the Mustang, launching with eight completely different energy trains. With as much as 155 horsepower, the entry-level inline-6 variants weren’t significantly potent, however the 327-cubic-inch (210 to 275 hp), 350-cubic-inch (295 hp), and 396-cubic-inch (325 to 375 hp) V8s greater than made up for that.
The choose of the vary, although, was the high-revving 302-cubic-inch V8 contained in the uncommon Camaro Z/28. The small-block V8 was formally rated at solely 290 hp, however the true determine was most likely nearer to 400. Built for Sports Car Club of America (SCCA) Trans-Am homologation functions, the Camaro Z/28 additionally featured a performance-tuned suspension, entrance disc brakes, and four-speed handbook transmission.
On the opposite finish of the efficiency spectrum had been the Central Office Production Order (COPO) variants, which unlocked manufacturing facility set up of the 427-cubic-inch big-block V8 that pumped out 425 hp and 460 lb-ft. Perhaps the wildest COPO Camaro is the ZL1, produced on the request of the Fred Gibb Chevrolet dealership of La Harpe, Illinois. Equipped with a lighter aluminum-block model of the 427-cubic-inch engine borrowed from Chevy’s Can-Am race automobiles, it had a monstrous 500 hp on faucet.
1967 to 1969 Pontiac Firebird / Trans Am
While Ford loved success with the Mustang and Chevrolet was busy creating the Camaro, Pontiac, below common supervisor John Z. DeLorean, was engaged on the Banshee — a radical two-seater sports activities automobile. It by no means materialized, however as a comfort prize, GM let Pontiac construct its personal model of Chevy’s Camaro based mostly on the identical F-body platform: the Firebird.
DeLorean did not need to be outdone by his in-house rival, so he went in a unique path. The Firebird was a extra targeted driver’s automobile, geared up with stiffer suspension and stronger overhead-camshaft inline-6 engines. The base 230-cubic-inch unit produced 215 horsepower with the four-barrel carburetor — 75 hp greater than the 230-cubic-inch Camaro. In 1968 it was changed with a bigger 250-cubic-inch unit that additionally made 215 hp. At the alternative finish of the spectrum, Pontiac employed the big-block 400-cubic-inch V8. Available in a number of energy outputs, the large V8 supplied 325 to 340 hp within the common Firebirds and 335 to 345 hp with the Trans Am package deal.
Although the title means that Trans Am-equipped automobiles had been homologation specials, their engines had been truly too large to qualify for the championship. Instead, Pontiac purchased the naming rights from the SCCA, creating one of the famend pony-car nameplates. The Trans Am package deal additionally carried cachet, because it introduced beauty and aerodynamic enhancements, like a giant rear spoiler and ram air induction ducts. The Ride and Handling package deal was additionally included, that includes a heavy-duty suspension with hydraulic dampers, variable-ratio energy steering, and entrance disc brakes.
1968 to 1974 AMC Javelin
The pony-car craze was so infectious through the Nineteen Sixties that it even unfold to American Motors Corporation, maybe probably the most conservative automaker of the time. But there was nothing conservative in regards to the Javelin, AMC’s first pony automobile. Yes, it was based mostly on the Rambler American, however in contrast to its rivals, it was constructed with lightness and agile dealing with in thoughts. Heck, AMC even launched a lighter AMX mannequin with a 12-inch-shorter wheelbase and two seats, geared toward driving fanatics.
Initially, the Javelin was supplied with 258-cubic-inch (225 hp) and 343-cubic-inch (235 hp) V8s, however AMC later supplied a bigger 390-cubic-inch (315 hp) V8 with the performance-oriented Go Package. For second-gen mannequin, which arrived for 1971, AMC went a step additional and launched a good bigger 401-cubic-inch V8 with 330 hp. This introduced the Javelin nearer to its rivals’ high-performance variants, although the Javelin was additionally heavier than earlier than. The AMX variant now had 4 as a substitute of two seats, but it surely was nonetheless a V8-only affair. Buyers who needed tidier dealing with might once more go for the Go Package, which included a Twin-Grip limited-slip differential, cowl induction, twin exhaust, entrance disc brakes, fiberglass-belted wide-tread tires, and mag-style wheels.
The second-gen Javelin AMX additionally introduced AMC success at Trans-Am, capturing seven of the ten races through the 1971 season to seize the producer’s championship, after which repeating as champ in 1972. Still, from 1972, like every of its rivals, AMC detuned Javelin’s engines to adjust to the stricter emission rules, with the Javelin discontinued after the 1974 mannequin 12 months.
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