Hemmings Features RARE 1969 L88 427 Corvette Offered For Sale by Verrillo Motor Car

A 1969 CHEVROLET COUPE THAT HAPPENS TO BE A 1969 CORVETTE L88 427

by Mike McNessor, Hemmings

Hiding in plain sight on Hemmings.com under the heading “1969 Chevrolet Coupe” is one of the most scarce and well-documented L88 427 Corvettes for sale anywhere. It’s won numerous Bloomington and NCRS honors and been featured in magazines. To top it all off, Zora Duntov scratched his signature into the radio-delete plate.

The price is listed as “Inquire” and we all know what that means. But can’t a guy dream?

“So how much?”

“What, this old thing? Just clearing out space in the garage, and was hoping you could take it off my hands …”

That scenario is unlikely given that the seller, Joe Verillo, is a Corvette expert and his restoration shop’s work has been featured multiple times in Hemmings publications.

Plus this Monza Red L88’s bonafides seem almost too amazing to be true: 22,000 miles, build sheet, Protect-O-Plate, original engine, original M22 four-speed, original rear axle, leather upholstery, tilt/telescoping column and more. But then there’s the long list of honors it’s collected: Bloomington Gold Survivor, Bloomington Gold Hall of Fame, Bloomington Gold Certification, NCRS Top Flight, NCRS Performance Verification, etc., etc.

Inside the Chevrolet L88 427

The L88 was one of the most legendary Mark IV big-blocks ever built. The thundering 427 was offered as an underpublicized, underrated Corvette option from 1967-’69 and over the counter at Chevrolet parts departments. The L88 served as a back channel, for Zora Arkus Duntov and his team, to get 427 Cobra-rivaling horsepower in the hands of Corvette racers, while technically not violating the Automobile Manufacturers Association ban on direct-factory involvement in motorsports.

The L88 427 made its power the old-fashioned way: cubic inches, high compression, an aggressive cam and a free-breathing top end. There were some significant changes in ’69, but the engine’s basic recipe remained the same: an iron block with four-bolt mains capping off a cross-drilled, forged-steel crankshaft; forged-steel connecting rods with floating wrist pins (rather than pressed in) topped with forged pistons; an aggressive mechanical camshaft;  aluminum heads with 2.19/1.88-inch valves; and a high-rise aluminum intake fed by a single Holley four barrel.

The ’67-’68 engines used closed chamber heads, had 12.5:1 compression and connecting rods with 3/8-inch bolts. For ’69, better breathing open-chamber heads (that also lowered the compression ratio slightly) were introduced, along with reshaped pistons, and rods with 7/16-inch bolts.

In a Corvette, the L-88 was teamed up with: the K66 transistorized ignition (without ignition shielding); the J50 power-boosted brake system; the J56 heavy-duty disc brakes with proportioning valve; the F41 special suspension (stiffer front and rear springs, heavy-duty shocks, thicker front anti-roll bar, and matched rear anti-roll bar); and the G81 Positraction rear end (with 3.70:1 gears standard). For the first two years, the Muncie M22 close-ratio four speed was mandatory. In 1969, a heavy-duty Turbo Hydra-Matic 400 three-speed automatic was offered alongside the rock crusher.

L88 Production and L88-Inspired engine Builds

The generally agreed upon L-88 production total is 216: 20 in ’67, 80 in ’68 and 116 in ’69. Because the L-88 engine was available through dealers, many more have found their way into Corvettes as well as other Chevrolet cars and some speed boats.

The aftermarket has offered L88-style bits for decades as well, so L-88-inspired engine builds are common too. We profiled one such engine that used some updated components for a modern take on this legendary Mark IV big block.

Head over and check out this special “1969 Chevrolet Coupe” for yourself while it’s still for sale.

For a complete walk-around, including an explanation of the documentation and photos that accompany this rare L88, watch this video, hosted by Verrillo Motor Car’s Joe Verrillo.