NMNA: Not much information on it.
http://albany.craigslist.org/cto/5561263208.html
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Terrible picture (why do so few people look at their ads??), but interesting car...
I love those. IIRC the '57 Rambler Rebel was the fastest stock American sedan for that year.
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It was indeed--the only faster accelerating car in '57 was the Corvette.