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Custom 1986 Chevrolet K5 Blazer Is Corvette-Powered Courtesy of a V8 Surprise

The second-generation Chevrolet Blazer enjoyed an extremely long life cycle, with GM undertaking production between 1973 and 1991. Over the course of its 18-year run, several updates were made, particularly in 1981 when changes were brought to the front fascia, resulting in those iconic stacked dual square headlights.
Tuned 1986 Chevrolet K5 Blazer getting auctioned off 22 photos
Photo: Bring a Trailer/autoevolution
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Now, if you’re in the market for a clean-looking K5 Blazer, but you also want something that will really stand out in a crowd, we believe we may have just struck gold with this particular 1986 model year truck, currently up for grabs.

According to the ad, this Blazer was refinished in GM Furnace Red Metallic during previous ownership, which we admit, looks good together with that black removable top and the tinted windows. Other exterior highlights include the LED headlights, dual exhausts, Warn wireless winch, KC Slimlite LED off-road lights, tubular bumpers, and black 17-inch custom wheels with BFGoodrich All-Terrain T/A KO2 tires.

In case you can’t tell, the suspension has also been tampered with, and now features a 4” lift kit and Bilstein 5100 dampers. Breaking meanwhile is done via power-assisted discs at the front and drums at the rear.

Inside, the cloth seats give off a true vintage vibe, as does the rear bench. We also dig the brushed aluminum accents throughout the cabin, custom center console, Kicker amp and speakers, RetroSound stereo, air conditioning, Dakota Digital instrumentation, and the two-spoke steering wheel.

As for the engine, it’s a 350 ci V8 sourced from a 1988 Corvette. The seller claims it was honed and bored over 0.040”, and now boasts four-bolt main bearing caps, hypereutectic pistons, Edelbrock cylinder heads and valve covers, plus a bunch of other minor modifications. Once on the move, the power makes its way to either the rear or all four wheels via a four-speed 700R4 automatic gearbox with a NP208 dual-range transfer case and 10-bolt front and rear axles.

Tuned 1986 Chevrolet K5 Blazer getting auctioned off
Photo: Bring a Trailer
Speaking of power, the seller hasn’t provided any precise figures, but a stock entry-level 1988 Corvette with a 350 ci V8 would produce 245 horsepower. This Blazer might be putting down a little more than that, although personally I don’t think that straight-line performance is necessarily its strong suit.

Got anything cooler?

As a matter of fact, we do. Just recently we showed you two very intriguing trucks, both featuring similar underpinnings to this Blazer.

Let’s start with the most bonkers of the two, which is this tuned 1987 K5 Blazer, with the custom suspension, 40-inch mud-terrain tires, heavily modified interior and twin-turbocharged 6.0-liter Vortec V8 engine. According to that seller, that engine was good for 600-wheel horsepower, meaning roughly 800 horsepower at the crank. That thing ended up selling for $45,500 to a very lucky person.

Option no.2 is this custom 1986 GMC K1500 High Sierra, powered by a supercharged 6.0-liter VortecMax V8, good for 470 horsepower and 455 lb-ft of torque. That one sold for $26,500.
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About the author: Sergiu Tudose
Sergiu Tudose profile photo

Sergiu got to experience both American and European car "scenes" at an early age (his father drove a Ford Fiesta XR2 supermini in the 80s). After spending over 15 years at local and international auto publications, he's starting to appreciate comfort behind the wheel more than raw power and acceleration.
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