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1977 GMC 1500, John Retzloff - 2009 Top Truck Challenge Challengers

Posted in Events on April 1, 2008
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John Retzloff, Covelo, California
1977 GMC 1500
Low gears and custom springs are this rig's calling card. Is it enough to get it past the velvet rope of Hollister Hills?

Engine: 454ci GM EFI V-8
Transmission: SM465
Transfer case: ORD NP203/205 doubler
Axles, f/r: Dana 60/GM Corporate 14-bolt
Traction aids, f/r: Ox Locker/Detroit Locker
Ratio: 4.88:1
Suspension, f/r: 72-inch '77 Chevy rear springs/63-inch '89 Chevy rear springs
Tires: 53-inch Goodyears
Special Features: Warn 9.5ti winch, PSC hydro-assist steering
Driver Experience: 13+ years

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