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Custom Land Speed 1977 GMC RV with a 700 hp 502 ci Chevy V8

Published in engineswapdepot.com

Palmer Designs is selling the fastest Class A RV in the world. The project started with a 1977 GMC Kingsley Motorhome and a goal of bringing awareness to Charcot Marie Tooth Disease (CMT). The street legal vehicle went 121.50 mph at Bonneville Salt Flats.

1977 GMC RV with a 502 ci Chevy V8

1977 GMC RV with a 502 ci Chevy V8

1977 GMC RV with a 502 ci Chevy V8

1977 GMC RV with a 502 ci Chevy V8

Dennis McCarty at Vehicle Effects and Luke Richards at Lucra Cars built the unique RV. It is powered by a 502 ci Chevy Ram Jet V8 making 700 horsepower. It features a NX wet nitrous system, MSD-7AL Ignition Control Box, custom wiring harness, and CBR high capacity radiator. A TH425 automatic transmission with a manual valve body sends power to a limited-slip differential with 3.07 gears.

1977 GMC RV with a 502 ci Chevy V8

1977 GMC RV with a 502 ci Chevy V8

The RV rides on an Applied GMC Rear Quadra air bag system, Applied GMC front and rear swaybars, and Ridetech Air Ride System & Compressor. It stops thanks to TSM six-heel disc brakes behind Ultra Goliath Wheels.

1977 GMC RV with a 502 ci Chevy V8

The interior has all the factory components removed. In their place was a full chromoly roll cage and aluminum floors and walls. Occupants rides in either Kirkey aluminum seats or Twisted Stitch custom bucket seats. On the dash is a RacePak IQ3 digital dish by a Woodward collapsing steering column with a Momo steering wheels.

1977 GMC RV with a 502 ci Chevy V8

1977 GMC RV with a 502 ci Chevy V8

1977 GMC RV with a 502 ci Chevy V8

The exterior features CRB acrylic windows and smoothed aluminum body covered in PPG White paint. Custom aerodynamics include a front air spoiler, rear air tabs, and side skirts.

1977 GMC RV with a 502 ci Chevy V8

1977 GMC RV with a 502 ci Chevy V8

1977 GMC RV with a 502 ci Chevy V8

1977 GMC RV with a 502 ci Chevy V8

Source: Palmer Designs and Facebook Marketplace via Jalopnik

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