While the purists may not like it, the builders decided to yank out the factory six-cylinder in favor of a twin-turbocharged LS V8. “We paid respect to what the Grand National is,” says ...

What if a Grand National had a V-8 ... You can also see the massive intercooler for the twin-turbo V-8 engine. See All 36 Photos Yep, if one turbo is fun then two is a party.

ESP's John and Tony Perri said the twin-turbo kit was designed to provide quick throttle response and zero turbo lag in any Turbo Buick, despite its power level. The Perri brothers say that the ...

Not only is the 1987 Buick Grand National base car a more modern starting point than the majority of the company's past creations, but the boxy coupe's custom-built 3.8-liter twin-turbocharged V-6 ...

Ringbrothers transformed a 1987 Grand National with a twin-turbo V6 pushing 1,246 hp and 1,000 lb-ft of torque. This custom muscle car features a Roadster Shop chassis, Penske shocks, and Brembo ...

Dutchboys Hotrods had taken in a 1987 Buick Regal Grand National from Angelo Vespi of ... 1987 Buick Regal Turbo-T (2 of them), 1993 Pontiac Firebird Formula (Project Thunderchicken), 1989 Pontiac ...

However, it’s been “detuned” for daily driving, limiting the twin 62mm Gen2 Precision turbochargers ... and 295/35 R19 tires up front, the Grand National has the perfect stance.

The Buick Grand National rose to international fame quickly – though not because of the NA V6 models or even the turbo 3.8-liter GNs based on the Buick Regal Sport Coupe package. Instead ...

However, the Grand National achieved widespread acclaim and ... With cues inspired by the visionary prototype, all-wheel drive, and a twin-turbo V6 making 650 hp, this would be a worthy spiritual ...

That’s because it embarrassed engines that were bigger and louder during its heyday in the Grand National and GNX ... while a rush of air comes from the twin turbochargers.