FI Valves....
FI Valves.... At what point would it be a good idea to upgrade valves over a aftermarket stainless? I made 920 rwhp on a mustang dyno on stock valves and dont want a valve failure to hurt something else. TIA
I was thinking about that also..... i know its spendy to go with Titanium Intake and Inconel exhaust....
If i remember right its $600 more for Titanium valves over Stainless
Kyle
If i remember right its $600 more for Titanium valves over Stainless
Kyle
Originally Posted by black98ws6ta
I'm assuming that you run stainless valves kyle?
Yeah im running stainless still... small exhaust side valve also.... when i do get the heads refreshed and O-ring them i want to step up from the 1.57" valve to a 1.60... from go with Inconel valves also... 2.02"/1.57" Now....
Kyle
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The inconel is preffered material in our turbo builds because of its durability in high temperature applications. That being said, if I was going to try and run something else GM factory valves would be high on my list.
Kurt
Kurt
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Originally Posted by 427
The inconel is preffered material in our turbo builds because of its durability in high temperature applications. That being said, if I was going to try and run something else GM factory valves would be high on my list.
Kurt
Kurt
Kurt in your opinion is it even needed to swap to Titanium intake valves??
Do you know off hand what brand Inconel valves you guys use and how much a set are??
Kyle
Originally Posted by 427
The inconel is preffered material in our turbo builds because of its durability in high temperature applications. That being said, if I was going to try and run something else GM factory valves would be high on my list.
Kurt
Kurt
We use Ti intake valves for weight reduction in high rpm engines. Stainless intake valves are fine if the rpm is kept reasonable, and the spring can control the valve. What starts to drive the choice is the engines intended use. Once you start getting into the larger diameter valves and the stems are getting longer to help with set-up heights for performance springs and high lift cams, then the valve just gets heavy. Eventually the hard core "gotta have it all" racer is using the ti valves to help feed his addiction for rpm to get on "the good side" of the math. I buy car parts like some people buy drugs, I just can't stop!!
Kurt
Kurt
Originally Posted by NA$TY-TA
Kurt in your opinion is it even needed to swap to Titanium intake valves??
Do you know off hand what brand Inconel valves you guys use and how much a set are??
Kyle
Do you know off hand what brand Inconel valves you guys use and how much a set are??
Kyle
The factory valve is stainless, and has been tested heavily by GM for durability. Although there are some very good aftermarket parts, some of them could not make it through a OE durability test.
I am not saying that a aftermarket part is no good, I am just saying it is not automaticly better just because its aftermarket.
Hopefully I got my point across, I always did bad in spelling and writing!!
Kurt
I am not saying that a aftermarket part is no good, I am just saying it is not automaticly better just because its aftermarket.
Hopefully I got my point across, I always did bad in spelling and writing!!
Kurt
Originally Posted by black98ws6ta
Really? I had no idea, the factory GM valves will hold up better then a stainless?
