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12 We’re also going a bit outside the norm for the valvesprings. To cut weight, engine builder Ken Troutman uses a set of Comp high-performance springs originally designed for LS engines. These springs (left) are smaller in diameter at 1.300-inch versus a standard sized spring for this application (right) at 1.550. The smaller diameter spring also means a smaller retainer, and significant weight savings are the result. The standard combination weighs in at 175 grams while our setup is just 117 grams per spring and retainer. Hopefully, it will mean a higher rpm redline on the racetrack. View Related Article
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