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Project Sandstorm. 1971 Blazer 4wd, Boosted carb'd 454 sand beast
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07-13-2015, 09:53 AM
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68panelman
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Join Date: Jan 2011
Location: Delaware and Long Island, New York
Posts: 3,455
Re: Started a new project. 1970 Blazer.
Iron canine nailed it, Its a 465 since it has the reinforcing ribs built into the case, 435 have a smooth casting ,and a 420 has a bulge on the pass side. My '70 has it also, but with a Dana 20 TC.
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