Valve Issues?
If stock valves are such an issue how come these reputable shops don't have valve replacement listed in their head/cam packages?
http://www.katechengines.com/perform...hicles/c6-z06/ http://www.lingenfelter.com/engine-p...-ls7-2006-2013 http://www.mtiracing.com/C6-Z06-Engine-Upgrades.html |
Ugh!!! What!!
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Must not be a valve issue then if those think there isn't any..................................... ......
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Originally Posted by snappy28
(Post 1583794074)
If stock valves are such an issue how come these reputable shops don't have valve replacement listed in their head/cam packages?
http://www.katechengines.com/perform...hicles/c6-z06/ http://www.lingenfelter.com/engine-p...-ls7-2006-2013 http://www.mtiracing.com/C6-Z06-Engine-Upgrades.html I want to preface what I point to below, by saying that any shop can have a failure. Those advocating either valve. But for your perusal, and with regard to the other two shops you mention. http://forums.corvetteforum.com/c6-z...-hard-dea.html http://forums.corvetteforum.com/c6-z...376-525-a.html |
Originally Posted by '06 Quicksilver Z06
(Post 1583794356)
Well katech has a working relationship with GM, undoubtedly one of it's larger clients.
I want to preface what I point to below, by saying that any shop can have a failure. Those advocating either valve. But for your perusal, and with regard to the other two shops you mention. http://forums.corvetteforum.com/c6-z...-hard-dea.html http://forums.corvetteforum.com/c6-z...376-525-a.html |
Originally Posted by Katech_Jason
(Post 1583794675)
Our use of the factory valves is based on our experience and research, not customer relationships. To imply that we are for some reason selecting an "inferior valve" based on protecting one customer relationship (GM) rather than what's best for the package (and the majority of our customers) would be incorrect. Our research and experience has shown that it's a guide machining problem, not a valve problem. If we did not feel comfortable with the stock valves in a given application we would not install them in our warrantied packages.
Or is that not true? Because if it is, then every man in here can infer what, if anything that would mean to him. |
Thank you Jason, had Richie at Able do my heads. They found 4 out of GM specs, hope all is sound with my heads and I can enjoy a wonderful car. A side note only the heads was replaced. Thanks to Richie and the crew at Able.
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Originally Posted by Katech_Jason
(Post 1583794675)
Our use of the factory valves is based on our experience and research, not customer relationships. To imply that we are for some reason selecting an "inferior valve" based on protecting one customer relationship (GM) rather than what's best for the package (and the majority of our customers) would be incorrect. Our research and experience has shown that it's a guide machining problem, not a valve problem. If we did not feel comfortable with the stock valves in a given application we would not install them in our warrantied packages.
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Originally Posted by '06 Quicksilver Z06
(Post 1583794715)
I didn't "imply" anything of the sort, but only stated a point of fact, and that is that your company does maintain a working relationship with General Motors. In other words, GM is one if your clients.
Or is that not true? Because if it is, then every man in here can infer what, if anything that would mean to him. |
Originally Posted by '06 Quicksilver Z06
(Post 1583794715)
I didn't "imply" anything of the sort, but only stated a point of fact, and that is that your company does maintain a working relationship with General Motors. In other words, GM is one if your clients.
Or is that not true? Because if it is, then every man in here can infer what, if anything that would mean to him. |
Originally Posted by Katech_Jason
(Post 1583794923)
The OP asked why these companies use OEM valves if there is a valve issue. Your first response and first sentence was that GM is our largest client. I don't know how to connect those two statements other than an implication that our choice is somehow based on a conspiracy theory to protect our (assumed) biggest customer rather than our own free choice.
I never said anything at all about any "inferior valve". I never said anything at all as to the quality, one way or another, of the valves you use in your packages, inferior, superior or otherwise. |
Originally Posted by '06 Quicksilver Z06
(Post 1583794970)
Jason, you accused me of "implying that you were using an inferior valve" because of your relationship with GM.
I never said anything at all about any "inferior valve". |
Hey Jason,
What exactly is the valve guide machining problem you guys have found? |
Originally Posted by z0sicktanner
(Post 1583794794)
it's true and lingenfelter has ties as well...:crazy:
Originally Posted by '06 Quicksilver Z06
(Post 1583794970)
[....] I never said anything at all about any "inferior valve".
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Originally Posted by '06 Quicksilver Z06
(Post 1583794970)
Jason, you accused me of "implying that you were using an "inferior valve" because of your relationship with GM.
I never said anything at all about any "inferior valve". I never said anything at all as to the quality, one way or another, of the valves you use in your packages, inferior, superior or otherwise. Quick, don't get me wrong, I still luv ya buddy. |
Originally Posted by snappy28
(Post 1583794074)
If stock valves are such an issue how come these reputable shops don't have valve replacement listed in their head/cam packages?
http://www.katechengines.com/perform...hicles/c6-z06/ http://www.lingenfelter.com/engine-p...-ls7-2006-2013 http://www.mtiracing.com/C6-Z06-Engine-Upgrades.html |
Originally Posted by Mark200X
(Post 1583795120)
When all else fails, construct a conspiracy theory! http://i1114.photobucket.com/albums/...es/lol-049.gif
Hey, look everybody -- Quick thinks the OEM exhaust valve is just fine! All this time we've simply misunderstood! http://i1114.photobucket.com/albums/...es/lol-049.gif |
Originally Posted by wjnjr
(Post 1583795058)
Hey Jason,
What exactly is the valve guide machining problem you guys have found? Now, if I was involved in a cover-up with GM I wouldn't tell you the following. We recently saw high valve guide wear in 2007s and 2008s, so I'm not so sure that this is captured only in 2009-2011s. A recent build, which I will post about soon, had massive (and I mean massive) intake guide wear. We caught it just in time. Now why would this be happening if it's just a defective exhaust valve? It's because it's not. It's a guide machining problem which could be on the intake OR exhaust OR both. |
Originally Posted by Katech_Jason
(Post 1583795153)
That was the implication that I drew from reading your post. It's possible that others have too. Correct, you never used those words, but your response leaves the impression that there is a conspiracy. If you had a different motive for quickly mentioning that GM is our biggest customer when the OP asked why OEM valves were being used I would be interested in hearing it.
Quick, don't get me wrong, I still luv ya buddy. Why did you immediately assume, that because I pointed out that relationship, that I was necessarily implying that you were using an "inferior valve" when I said nothing of the sort in my response to him? |
Originally Posted by Mark200X
(Post 1583795120)
When all else fails, construct a conspiracy theory! http://i1114.photobucket.com/albums/...es/lol-049.gif
Hey, look everybody -- Quick thinks the OEM exhaust valve is just fine! All this time we've simply misunderstood! http://i1114.photobucket.com/albums/...es/lol-049.gif You either can or cannot answer that truthfully with a "No". |
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