Life of a valve spring
06-18-2007, 02:31 PM
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Life of a valve spring ive seen the poll that was done earlier and seemed like most people agreed on atleast 20k is a good life on a valve spring. only thing is what kind of mods/cam was being run on the valve springs. for me i have a mild cam .600 lift headers,lid, and exhaust. would 20k be a fair estimate on what kind of life i could get out of some 918's?
06-18-2007, 03:18 PM
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A high quality springs like Patriots dual or a PAC-1518 beehive should last 50k plus easy with that set-up.
So many things can effect a springs life. RPM and how long it sees that RPM, overall valvetrain dynamics, stress range (lift and how close it's run to coil bind), etc...
So many things can effect a springs life. RPM and how long it sees that RPM, overall valvetrain dynamics, stress range (lift and how close it's run to coil bind), etc...
