yella terra scores a 0 in service 5months still no replacment
12-24-2011, 04:14 PM
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yella terra scores a 0 in service 5months still no replacment i originally bought yellaterra's because they had a great reputation everyone talked so great about them..... well i guess things have changed
in late july after about 8k miles i had a catastrophic rocker failure
now let me start by saying the install was 100% correct and i am not to afraid
admit that i was spraying the motor with a 100 shot (but it did not fail during a N20 run) i was running 450psi spring pressure on some comp 926 springs with Ti retainers on afr heads.
well this rocker failure has trashed every bearing in my motor and cost me the rotating assembly..
jim orignally told me they would replace the broken rockers he also made mention the the yella terra's are only meant to hold 400 psi of spring pressure even though i cant find this much needed important info anywhere on his site.. he believes this is what snapped the rocker in 2
25 emails and 5 months later i still have no replacement and responses from jim and doug are getting fewer and further between...
i would not recommend the purchase of this product they will not hold up
also had a friend who had some break with his c6 within 50miles
a picture is worth a thousand words and in this case a engine rebuild
in late july after about 8k miles i had a catastrophic rocker failure
now let me start by saying the install was 100% correct and i am not to afraid
admit that i was spraying the motor with a 100 shot (but it did not fail during a N20 run) i was running 450psi spring pressure on some comp 926 springs with Ti retainers on afr heads.
well this rocker failure has trashed every bearing in my motor and cost me the rotating assembly..
jim orignally told me they would replace the broken rockers he also made mention the the yella terra's are only meant to hold 400 psi of spring pressure even though i cant find this much needed important info anywhere on his site.. he believes this is what snapped the rocker in 2
25 emails and 5 months later i still have no replacement and responses from jim and doug are getting fewer and further between...
i would not recommend the purchase of this product they will not hold up
also had a friend who had some break with his c6 within 50miles
a picture is worth a thousand words and in this case a engine rebuild
12-24-2011, 05:38 PM
#5
Jim Petrakis is a great guy (I know him personally outside of just the business realm) and I know for a fact he truly cares about his product and his customer base and pours his heart and soul into the evolution and expansion of the Yella Terra product lines.
Im sorry your having issues but I assure you that your customer service experience would be the exception not the rule (but I am curious on who dropped the ball here and why).
I use their products religiously on all my high dollar / high powered LS builds and I have never had an issue with any of their products. At the end of the day I have good valve control and that makes for good power.
I will try and contact Jim for you and see if I can put the two of you together.
I'm sure he will get you handled ASAP
Happy Holidays everyone
-Tony
PS....I normally keep his product on hand.....I know it can be a PITA to get sometimes. PM me if you guys need any assistance tracking down some of the various products he offers. I always have a set or three of 6645's on my shelf (1.7 ratio LS1/LS2/LS6 aftermarket and OEM heads) because I use them for all of my AFR headed engine builds.
Im sorry your having issues but I assure you that your customer service experience would be the exception not the rule (but I am curious on who dropped the ball here and why).
I use their products religiously on all my high dollar / high powered LS builds and I have never had an issue with any of their products. At the end of the day I have good valve control and that makes for good power.
I will try and contact Jim for you and see if I can put the two of you together.
I'm sure he will get you handled ASAP
Happy Holidays everyone
-Tony
PS....I normally keep his product on hand.....I know it can be a PITA to get sometimes. PM me if you guys need any assistance tracking down some of the various products he offers. I always have a set or three of 6645's on my shelf (1.7 ratio LS1/LS2/LS6 aftermarket and OEM heads) because I use them for all of my AFR headed engine builds.
Last edited by Tony Mamo @ AFR; 12-24-2011 at 06:51 PM.
12-24-2011, 06:24 PM
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I had one of the first sets of the bad batch from a few years back. Snapped a rock 2 days after running the car down the 1/8 mile 4 times. Setup was spot on. Posted what happened on here and they were quick to respond and resolve. I even had an engineer call me on my cell to have me explain how it broke, how I installed, and what was happening when failed.
New replacement set has been in the engine since and haven't had an issue. Touching 500whp without spray, dual springs. I will run them again and again, and recommend them to any and every one. I hope this gets resolved for you quickly.
New replacement set has been in the engine since and haven't had an issue. Touching 500whp without spray, dual springs. I will run them again and again, and recommend them to any and every one. I hope this gets resolved for you quickly.
12-24-2011, 06:52 PM
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i would love that but i doubt it will be much use
the most recent contact from me was 10 days ago i have still gotten no response from him or doug here in the u.s..
the most recent contact from me was 10 days ago i have still gotten no response from him or doug here in the u.s..
Jim Petrakis is a great guy (I know him personally outside of just the business realm) and I know for a fact he truly cares about his product and his customer base and pours his heart and soul into the evolution and expansion of the Yella Terra product lines.
Im sorry your having issues but I assure you that your customer service experience would be the exception not the rule (but I am curious on who dropped the ball here and why).
I use their products religiously on all my high dollar / high powered LS builds and I have never had an issue with any of their products. At the end of the day I have good valve control and that makes for good power.
I will try and contact Jim for you and see if I can put the two of you together.
I'm sure he will get you handled ASAP
Happy Holidays everyone
-Tony
Im sorry your having issues but I assure you that your customer service experience would be the exception not the rule (but I am curious on who dropped the ball here and why).
I use their products religiously on all my high dollar / high powered LS builds and I have never had an issue with any of their products. At the end of the day I have good valve control and that makes for good power.
I will try and contact Jim for you and see if I can put the two of you together.
I'm sure he will get you handled ASAP
Happy Holidays everyone
-Tony
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12-24-2011, 06:57 PM
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i sent the broken ones out to him also and this is the response i get
"As mentioned the engineering team came back and the rockers have broken due to too much spring pressure (+ the NOS shots). The Ultralite rockers where originally designed for high revving light springs, anything up to 400Lbs +/- 20 Lbs ."
now my question is doesn't a "high revving light spring" usually result in valve float.. i was under the belief that most modded people run 400+ psi of spring pressure. am i wrong?
"As mentioned the engineering team came back and the rockers have broken due to too much spring pressure (+ the NOS shots). The Ultralite rockers where originally designed for high revving light springs, anything up to 400Lbs +/- 20 Lbs ."
now my question is doesn't a "high revving light spring" usually result in valve float.. i was under the belief that most modded people run 400+ psi of spring pressure. am i wrong?
I had one of the first sets of the bad batch from a few years back. Snapped a rock 2 days after running the car down the 1/8 mile 4 times. Setup was spot on. Posted what happened on here and they were quick to respond and resolve. I even had an engineer call me on my cell to have me explain how it broke, how I installed, and what was happening when failed.
New replacement set has been in the engine since and haven't had an issue. Touching 500whp without spray, dual springs. I will run them again and again, and recommend them to any and every one. I hope this gets resolved for you quickly.
New replacement set has been in the engine since and haven't had an issue. Touching 500whp without spray, dual springs. I will run them again and again, and recommend them to any and every one. I hope this gets resolved for you quickly.
12-24-2011, 11:39 PM
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A week or so ago I was looking for a Yella Terra fly wheel.
A person who works for them went out of his way to find me that fly wheel due to the fact that it is no longer available in the states.
That was great service.
The reason I bring this up is that during our conversation, he made a comment about having to deal with a rocker issue.
Could be they received a bad batch and you got the wrong end of the stick.
Sorry to hear that but, you should be able to get this straightened out.
Don't know about the rest of your engine stuff but, I'm feeling you were not the only one recently.
A person who works for them went out of his way to find me that fly wheel due to the fact that it is no longer available in the states.
That was great service.
The reason I bring this up is that during our conversation, he made a comment about having to deal with a rocker issue.
Could be they received a bad batch and you got the wrong end of the stick.
Sorry to hear that but, you should be able to get this straightened out.
Don't know about the rest of your engine stuff but, I'm feeling you were not the only one recently.
12-25-2011, 06:15 AM
#12
How many RPM were you turning this thing.
I have reved mine 7500 with the Lunati dual kit and not had issues with stock rockers. They are right at 400 open.
Do you really need 460 open. I know there have been cases where AM rockers create more issues and require more spring pressure than stockers
Tim
I have reved mine 7500 with the Lunati dual kit and not had issues with stock rockers. They are right at 400 open.
Do you really need 460 open. I know there have been cases where AM rockers create more issues and require more spring pressure than stockers
Tim
12-25-2011, 08:44 AM
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Last edited by JS01; 12-25-2011 at 08:49 AM.
12-25-2011, 12:34 PM
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im not even asking for a new complete set. im just trying to get a pair replaced
although im not sure if the rest were contaminated with metal like the motor was
i agree.. i was in the middle of new mexico (middle of nowhere) when they broke and i had to pay a 250 mile tow truck bill $600 to get back to elpaso (nearest big city) and replacing crankshaft and all bearings oil pump
although im not sure if the rest were contaminated with metal like the motor was
i agree.. i was in the middle of new mexico (middle of nowhere) when they broke and i had to pay a 250 mile tow truck bill $600 to get back to elpaso (nearest big city) and replacing crankshaft and all bearings oil pump
12-25-2011, 12:38 PM
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stock unadjusted redline 6700rpm
450open and i was told the afr valves were kind of heavy so i need a good spring and a good amount of pressue to make sure they follow the cam to the T
cam was a Tsp 228R
450open and i was told the afr valves were kind of heavy so i need a good spring and a good amount of pressue to make sure they follow the cam to the T
cam was a Tsp 228R
How many RPM were you turning this thing.
I have reved mine 7500 with the Lunati dual kit and not had issues with stock rockers. They are right at 400 open.
Do you really need 460 open. I know there have been cases where AM rockers create more issues and require more spring pressure than stockers
Tim
I have reved mine 7500 with the Lunati dual kit and not had issues with stock rockers. They are right at 400 open.
Do you really need 460 open. I know there have been cases where AM rockers create more issues and require more spring pressure than stockers
Tim
