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valves for FI

Old 03-20-2007, 10:33 AM
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Was wondering what you guys thought of the 6.0 stock valves vs the zo6 valves, specifically the exhaust valve. I was thinking the zo6 valves are a better choice under the intense heat that FI will bring.

What are you guys using?
Old 03-20-2007, 02:18 PM
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i've read somewhere where a guy used the stock ones up to 800+ rwhp. on valves, people say the OEM are almost untouched for performance
Old 03-20-2007, 10:20 PM
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I'm not worried about the performance of them, just the longevity/durability since its a lot hotter. Also, 02+ zo6 valves and 6.0l valves are both 'OEM' but different.
Old 03-20-2007, 11:29 PM
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i read that a t/a guy on here used the stockers up to almost 900rwhp, but dont qoute me on that
Old 03-22-2007, 10:42 AM
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Originally Posted by 99Z28LS1
i read that a t/a guy on here used the stockers up to almost 900rwhp, but dont qoute me on that
do you mean the stock 6.0L valves? i'm sure they work, i just dont know how they'd hold up.
Old 03-22-2007, 11:48 AM
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Well the ZO6's are sodium filled for weight I don't think they offer any advantages over a stock valve 6.0 or anyother stock valve for that matter now a good stainless aftermarket valve will be better and for extreme applications an Inconel valve will be the best choice but for 99% of all applications a stainless valve will work just fine and last a long long time.
Jeff


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