The 640 in this case came with a 426 ci six, according to the ID plate. My step son who has had some trouble in his young life (23years) drove the '51 up and down the road Sunday splitting gears like a pro. I honestly have never seen him so pumped. I don't think you could surgically remove the smile on his face. Hmmmmmm...Big Bolts as therapy for the troubled youth of our world. He said he liked the smell of the old '51 and the giant steering wheel.
'36 Tall cab Chevy 1.5 ton, '36 Low cab Chevy 1.5 ton, '53 GMC 2 ton, '51 GMC 640 5 ton, '47 Dodge 2 ton, '42 GMC CCKW 353 6X6.
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