Classic Cubes From An LS1 Part 1
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Here is a side-by-side comparison of the stock 3.622-inch LS1 crank(left) and the 4.185-inch Lunati unit (right). The factory crank is madeof nodular iron and is externally balanced to within 9 grams. It canreportedly handle close to 650 flywheel horsepower or 525 rear-wheelhorsepower during continuous use before failure. The custom Lunati crankis made of billet steel and is balanced down to a scant 2 grams throughthe use of Mallory metal. MTI has seen the crank withstand 1080 rearwheel horsepower in a twin-turbo application. View Related Article
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