Difference in spring logevity.....918s vs. 921s
02-17-2004, 08:23 PM
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Difference in spring logevity.....918s vs. 921s This will be on a 5.3 motor, 212/218 .558/.563 115LSA cam. I have 918s/Ti retainers for the less weight, but duals appeal to me for the longevity and insurance in case a spring breaks. What would the difference be in longevity between these on a daily driver?
