Chevrolet Corvette ZR1 LS9 Engine Specifications - Domestic Exotica
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The cylinder head bolt size was increased from 11 mm to 12 mm, a step that was needed "just to hold the head on," said Guard. At Wixom, this literally over-the-top tool torques down all 15 head bolts in one single operation. It takes less than five minutes to install a head in this manner, making it extremely efficient. View Related Article
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