Which is better for high boost LS3 Hollow Stem valves or L99 valves ?
01-13-2014, 10:20 PM
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Which is better for high boost LS3 Hollow Stem valves or L99 valves ? I'm collecting parts for my engine which will see almost 20 psi of boost and want to know which is better for high boost LS3 Hollow Stem valves or L99 valves ?
Thanks in advance
Thanks in advance
01-16-2014, 08:43 AM
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I went with manley ss valves just for the piece of mind.If you go with solid valves, make sure you buy a cam with a soft ramp rate.Solid valves make a vavle train heavy.
