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INSIDIOUS '86 · 10-22-2012, 12:30 AM

67-72 was square body and 73-87was marketed as rounded line.
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10-22-2012, 12:30 AM	#2
INSIDIOUS '86 Registered User Join Date: Jul 2009 Location: washington Posts: 4,178	Re: What is a Square Body? 67-72 was square body and 73-87was marketed as rounded line. Posted via Mobile Device __________________ 377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511