yella terror
Team Owner
Joined: Mar 1999
Posts: 22,025
Likes: 192
From: At the beach in little Rhody
No, wanted to see how much lift he was running and if he was running the standard spring since valve bounce can occur. Sometimes a failure is a symptom as opposed to the problem itself.
Melting Slicks
Joined: Jan 2009
Posts: 2,127
Likes: 33
From: Easley/Anderson South Carolina
I have a thread on LS1tech about this. There is contact info for Yella Terra. Also you can contact your supplier and they can assist you in the replacement.
I still have my 2nd set in my LS2 and they are working great. And I bought my 1st set from Vengance also
EDIT- found the thread, I have one on here also. (edit- not my thread, but one where I posted in)
http://www.ls1tech.com/forums/genera...r-failure.html
http://forums.corvetteforum.com/c5-t...a-rockers.html
I still have my 2nd set in my LS2 and they are working great. And I bought my 1st set from Vengance also
EDIT- found the thread, I have one on here also. (edit- not my thread, but one where I posted in)
http://www.ls1tech.com/forums/genera...r-failure.html
http://forums.corvetteforum.com/c5-t...a-rockers.html
Last edited by sabastian458; Sep 8, 2011 at 04:48 PM.
Burning Brakes
Joined: Jun 2009
Posts: 1,022
Likes: 0
From: Concord NC
St. Jude Donor '10
Seems like there's been a lot of 'bad batches' of yella terra's. That said, my Jesel's were part of a bad batch and cracked at the tips. The difference is, Jesel told me to send the whole set back and rebodied every one of them for free, no questions asked....
Melting Slicks
Joined: Sep 2003
Posts: 2,062
Likes: 117
On my previous build, the LS6 stock rockers trunion upgraded handled 7400rpm everyday with a 0.630 intake lift for 30000 miles without causing any damage to the valve guides...and without any valve-train instability!!!
That is not theory, but facts.
Christian
Melting Slicks
Joined: Sep 2003
Posts: 2,062
Likes: 117
To make that short:
- What kind of camshaft lift vs spring pressure is overrated for the Yella Terra Rocker?
Christian
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Team Owner
Joined: Mar 1999
Posts: 22,025
Likes: 192
From: At the beach in little Rhody
A static force would be a height/stiffness calc. No inertial forces.
There are two questions, is the rocker heavily loaded or conversely, is the rocker not being correctly controlled.
There are two questions, is the rocker heavily loaded or conversely, is the rocker not being correctly controlled.
Melting Slicks
Joined: Sep 2003
Posts: 2,062
Likes: 117
I don't feel this is the place to debate about "static force"...I let it to you
Do you, or the factory, have numbers in term of camshaft lift and spring pressure limitation for the Yella Terra rocker before compromising the aluminum integrity at the weakest spot?
As you ask this specific question in your post # 19 you must have the answer...
Christian
As you ask this specific question in your post # 19 you must have the answer...
Christian
