Ridetech Equipped LT4 V8 Swapped C3 Custom Image Corvettes (2024)

When Eric Fleming first purchased his Corvette C3 in March of 2013 from a buddy’s uncle, he had no clue as to how far down the rabbit hole he was about to go. With a numbers matching 350 automatic, and finished in a coat of “Steel Cities Gray,” the Corvette had been in either his friend’s possession, or under the care of the man’s uncle since the early 1990s. Like many other dust-covered Corvette C3 sports cars, this relic had not run in years and was plagued by a rusted-out gas tank. Fortunately, Eric discovered that outside of that, the car had very little corrosion and was pretty much a complete specimen.

Photo Credit: Kaleb Kelley and Chad Bee Photography

Ridetech Equipped LT4 V8 Swapped C3 Custom Image Corvettes (1)

Over the course of the next couple years Eric tinkered with the car off and on, replacing worn parts with more modern components like Wilwood brakes, and 17-inch alloy wheels. After deciding to pull the low horsepower 350 and begin a mild refresh, Eric installed a Chevrolet Performance 525-horsepower crate LS3 and affixed it to a 4L80E transmission from a prior project. The decision was also made to clean and refurbish everything from the firewall forward and attach all new suspension underneath.

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Mini restoration complete, Eric found the combination of the LS3 and new suspension to be far more enjoyable than he had originally imagined, with the C3 becoming so much fun, that track days soon became a thing. However, no more than two track events in, and Road Atlanta’s stifling heat had roasted the car’s transmission, giving Eric the perfect excuse to call Silver Sport Transmissions about obtaining a TKO600.

Ridetech Equipped LT4 V8 Swapped C3 Custom Image Corvettes (3)

It was around this time that suspension also became a core focus, with the C3’s antiquated leaf springs being replaced by recently released, track-focused coilovers from RideTech. Eric was so impressed with the quality of RideTech’s coilovers, that every time the company would release a new part, he would purchase it, with the car eventually being sent off to the company for an intensive round of part installs.

Ridetech Equipped LT4 V8 Swapped C3 Custom Image Corvettes (4)

RideTech is known for its attention to detail, logging long hours all for the sake of collecting data on spring rates and suspension geometry in order to optimize performance, ride quality, and reliability. When asked why he has remained such an avid RideTech suspension supporter, Eric responds with a multitude of reasons. “I like how their coilovers can be installed with basic hand tools anddon’trequire hacking-up the chassis just to make them fit,” Eric says. “And opting for a complete suspension system takes all of the guesswork out of the equation.”

He goes on to talk about the RideTech StrongArm suspension arms on his C3, which feature modified ball joint angles for accommodating taller spindles. These upper ball joints have been bumped back in order to allow additional caster, which in turn improves high speed stability and steering feel. Both control arms and trailing arms also use injection molded Delrin bushings, which contain 13% Teflon in order to reduce deflection and stiction.

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As for the C3 Corvette’s RideTechcoilovers, they are all monotube in nature for superior ride quality and handling, and come with a rebound knob for easy fine tuning. Eric also says that their unbeatable 1,000,0001 mile warranty helped sway his decision to try a set out, especially since his goal is to keep tracking the car whenever possible.

Ridetech Equipped LT4 V8 Swapped C3 Custom Image Corvettes (6)

Suspension nerd fest complete, we turn back to Eric’s Corvette, which was still sitting on a lift at RideTech. While upgrading to an independent 9-inch rear end was at the top of the to-do list, networking fell somewhere in the middle. But whenJosh from Custom Image Corvettes spotted Eric’s C3 at RideTech, networking went straight to the top of the list. At the time, Josh was visiting RideTech as a member of a 48 hour build team, which just so happened to be operating on a car that was similar to Eric’s. Being that the two men had spoken prior about affixing fender flares to Eric’s C3, seeing the car in person reignited Josh’s interest in the build.

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RideTech mods complete, the car was immediately sent over to Custom Image Corvettes in order to have flares installed and receive a coat of paint. To this day Eric is still not entirely sure how Josh was able to talk him into installing an LT4 crate engine into the car, but hot damn is he happy that he did! While this process took a lot longer than either man could have predicted, due to most of the swap parts surrounding the engine being fabricated from scratch, Eric tells us that having the first LT4 swapped C3 Corvette in history definitely made-up for the wait.

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Car complete, Eric tells us that his current goal is to enjoy the car and attend a few Goodguys events around the country, followed by entering Optima’s “Ultimate Street Car” series, before hitting-up a handful of cruise-ins, and participating in the next Power Tour. As for future goals, Eric laughs and says that not crashing the car, or sending it all the way back to Josh in South Dakota for fixes is definitely at the top. This is followed by keeping the vehicle updated with fresh components as they evolve in order to keep the car from feeling “dated,” and in the process, maintaining what many consider to be the most badass C3 Vette ever built.

Ridetech Equipped LT4 V8 Swapped C3 Custom Image Corvettes (2024)

FAQs

Which engine option was available for c3 Corvette? ›

The engine line-up included the L79, a 350 hp (261 kW) high performance version of the 327 cu in (5.4 L) small-block. Also available were several variants of the big-block 427 cu in (7.0 L) V8 engine, that taken together made up nearly half the cars.

Which Corvettes have LT4? ›

The LT4 produced maximum power output at 5,800 rpm and 340 lb⋅ft (461 N⋅m) of torque at 4,500 rpm. While the LT4 was available in any Corvette, it was highlighted in the 1996 Grand Sport package.

What changed in the c3 Corvette? ›

Major Changes: 1973-1974

Though the front-end design had not changed, the iconic pointy chrome nose and grille were replaced by safer urethane bumpers. The egg-crate fender vents were replaced with a single vent cutout. The vacuum-operated windshield wiper panel was gone and the hood was extended to obscure the wipers.

Why is Corvette C3 so cheap? ›

Production Numbers: The C3 Corvette was produced from 1968 to 1982, making it one of the longest-running Corvette generations. Higher production numbers often lead to greater availability in the used car market, which can put downward pressure on prices.

What is the most sought after C3 Corvette? ›

For serious Corvette collectors, the 1968 to 1972 model years contain some of the most sought-after Corvettes in the brand's history. These models, which include the L88 and ZL1 Corvettes, are considered to be the “holy grail” of the third-generation production run.

How many miles per gallon does a LT4 Corvette get? ›

It can also deliver 15 mpg driving in the city and 24 mpg out on the highway, according to the EPA. (Be sure to also check out some of the legendary Corvettes throughout the years.

Is LT4 better than LT1? ›

These LT4 components are considerably stronger than their LT1 counterparts and resist failure at higher RPM's. Offers improved durability over the standard LT1 crank seal.

Is the LT4 a good engine? ›

With that covered, the LT4 engine is amazing. Yes, it holds the title of being the Chevy's most powerful engine, but it's still incredibly potent. If money is no object, you could take things a step further and acquire the LT5 which is the LT4 engine's successor and another incredibly powerful machine.

Do all C3 Corvettes have posi traction? ›

A Positraction rear axle was an option, but over 95 percent of C3 Corvettes had it installed. The Sting Ray name from the C2 was revived on C3 Corvettes in 1969, although it was now Stingray as a single word, per Autolist.

Do C3 Corvettes ride rough? ›

At first glance it looks factory, but when you get inside and head down the road, and you realize this is something way better. It accelerates hard and handles like it's on rails, but gone is that harsh C3 ride.

What was the nickname of the C3 Corvette? ›

The Shark is Born

The sleek lines Larry Shinoda penned for the Mako Shark II concept car provided clear inspiration for the next iteration of the Corvette—as well as the generation's “shark” nickname—but turning concept into reality wasn't easy.

What engine options were available in a 1965 Corvette? ›

Other engines for the 1965 Corvette included the 327-cubic-inch V8 rated at 250 horse as standard, a 300-horse version, a new 350-horse L79 small block engine, the 365-horse engine and the 375-horse Ramjet Fuel Injection engine.

What was the 327 engine specs on a 1963 Corvette? ›

In 1963 each of the four versions of the big V8 had head space 327-cubic-inch displacement, 4″ bore and 3.25″ stroke. The 250-hp standard engine features a single 4-barrel carb, 10.5:1 compression ratio, hydraulic valve lifters and new dual exhaust system.

What engine is in a C3 Stingray? ›

As an option, the C3 was also available with air conditioning. Under the hood, the Corvette Stingray (this time one word) was available with a choice of V8 engines ranging from 300 hp (304 PS) to the 390 hp (395 PS) offered by the LS5 454 powerplant.

What engine is in a 1978 Corvette? ›

The L82 350 Cu. In. V8.

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