Gotta love the square bodys, just something about them!
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Funny thing, I never cared for the square bodied 'Burbs. I know they were a big improvement in many ways but my favorite Suburban, bar none, will always be the 1967 -72 3-door.
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To me the whole 67-72 Chevy truck lineup was just one of the best looking series of trucks ever made, period.
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The square body era beginning in 1973 was when Chevy trucks first acquired the rectangular fender openings. I never quite understood that but it's a style that has persisted in GM trucks ever since then.