1400hp Twin-Turbo LS7 Buick Grand National GNXS

1400hp Twin-Turbo LS7 Buick Grand National GNXS

Dutchboys Hotrods transformed a 1987 Buick Grand National into a one-off GNXS masterpiece. Featuring a twin-turbocharged Mast Motorsports LS7 engine producing between 1,400 and 1,500 hp, this build includes a custom PPF for protection. The chassis is fitted with Detroit Speed suspension and Baer Extreme+ brakes, while the interior offers a bespoke luxury experience crafted by Avant Garde Design. This award-winning build redefines a Buick icon, combining high craftsmanship and performance.

Builder:
Dutchboys Hotrods
Location:
-
Price sold:
-
Power:
1,400 hp
Weight:
-
Engine:
Mast Motorsports LS7 427ci V8twin Nelson Racing turbos
Wheels:
Custom wheels designed by Jason Rushforth, machined by Greening Auto
Suspension:
Detroit Speed front and rear componentsJRI shocks with front lift system
Body:
-
Paint / Wrap:
Legend Prime PPFModesta BC-X ceramic coating
Other Mods:
Baer Extreme+ brakes4L80E automatic transmissionGearFX 9-inch rear end
Gallery

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1400hp Twin-Turbo LS7 Buick Grand National GNXS | custom body / engine swap / show car | Isle of Cars