06-12-2019, 04:52 PM
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Senior Member
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Join Date: Mar 2017
Location: ABQ, New Mexico
Posts: 36,633
Thanks: 3,506
Thanked 136,542 Times in 22,784 Posts
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The lightest most powerful engine was found in the 1965 to 1967 Shelby GT350 Mustangs. The engine weighed just 420 pounds (no accessories or air cleaner) and produced 306 horsepower
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