997.2 3.8 Engine Failure
01-23-2019, 09:01 AM
#166
Nordschleife Master
Join Date: Mar 2003
Location: Destin, Nashville, In a 458 Challenge
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I suppose the important question is how many were rebuilt due to catastrophic failure such as bore scoring and not attributable to customer abuse (missed shift and etc). I am sure there are a whole lot of missed shifts out there. I have seen my fair share at track days throughout the years.
01-23-2019, 09:46 AM
#167
Former Vendor
Its really easy to start, and fuel a fire with mention of these types of issues. I call anything that I see with my own eyes just once an "instance". We record these, and document them in case we see the same issue later. If I see the same issue twice, with the same underlying conditions, and similar engine history, only then do I consider it a "mode of failure".
I have not had a 9a1 engine here as of yet with this same exact set of symptoms, based on what Bronz had explained via phone, and here on the thread.
We'll see what happens, and Bronz and I will discuss sharing the findings here on the thread, as well as the process.
I have not had a 9a1 engine here as of yet with this same exact set of symptoms, based on what Bronz had explained via phone, and here on the thread.
We'll see what happens, and Bronz and I will discuss sharing the findings here on the thread, as well as the process.
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seatbelt123 (01-06-2023)
01-23-2019, 12:05 PM
#168
Three Wheelin'
Sweet. Good info.
01-23-2019, 01:08 PM
#169
I know in the past some members got defensive for Porsche as a brand. I know you (Jake) took some grief.
But with ten years of 9A1 production there are many of us who hunger for knowledge from sources with experience. There has been little information for us.
Getting personal, with 120K miles should I be doing anything beyond the norm? Pete warned me, after attending your school, that 9A1 chain tensioners can wear out. Is there more? What might be in my near, or distant, future? Everything seems great, but maybe my hearing is failing!!! Is it time for a 9A1 school, or does reliability deem that unnecessary? Paranoia can be Hell 8)
I'm not trying to push here for release of details, but rather proactively request to the Forum in general that should anything be shared, let's be adults about it and give Jake the appreciation he deserves. No point in shooting the messenger, whether good or bad news!!!
Good luck with the upcoming evaluation. I'm looking forward to following your journey.
But with ten years of 9A1 production there are many of us who hunger for knowledge from sources with experience. There has been little information for us.
Getting personal, with 120K miles should I be doing anything beyond the norm? Pete warned me, after attending your school, that 9A1 chain tensioners can wear out. Is there more? What might be in my near, or distant, future? Everything seems great, but maybe my hearing is failing!!! Is it time for a 9A1 school, or does reliability deem that unnecessary? Paranoia can be Hell 8)
I'm not trying to push here for release of details, but rather proactively request to the Forum in general that should anything be shared, let's be adults about it and give Jake the appreciation he deserves. No point in shooting the messenger, whether good or bad news!!!
Good luck with the upcoming evaluation. I'm looking forward to following your journey.
01-23-2019, 05:48 PM
#170
l agree.. This is where cars come when they are dead.. We don’t even perform oil services here. Most of what we see is dead, or dying.. The rare occurrence is when someone wants to perform an elective build.
I vowed not to discuss the issues we have found with the 9a1 publicly. To date I’ve kept my promise, and 9 years after we cracked the first one open, not a word has been shared unless an owner brought it up first.
People no longer appreciate the truth and reality. It’s all unicorns and rainbows.
Last edited by qikqbn; 01-24-2019 at 01:09 PM.
01-23-2019, 10:47 PM
#171
Former Vendor
Thanks Jake Raby for taking the time to respond to this thread. I have read many of your threads in the past and appreciate the information you have shared with us (even when it was a hard pill to swallow or some didn't want to hear it). You have major respect from many of us for the work you do, classes you teach, videos, and services you provide. In a "worse case scenario" it is great to know that your expertise is out their and can bring 4.0 joy to an otherwise bad/dead/dying engine. Hoping for the best and looking forward to seeing Bronz back on the road soon-ish !
Things with the 9a1 have been much less dramatic than with the M96, M97 engines, and l intend to keep it that way. My time is much better when utilized in the shop, rather than fighting with people on the internet :-)
01-27-2019, 12:06 AM
#172
Former Vendor
l took some time yesterday to do the first round of diagnosis... The video didn’t portray the engine sound as well as you’d expect when compared in person.
I updated Bronz last night, and we have a plan moving forward. Engine will be extracted ASAP
I updated Bronz last night, and we have a plan moving forward. Engine will be extracted ASAP
01-27-2019, 12:15 AM
#173
Where you at a decision point with regards to starting the car at all? If so what was the decision process that led to starting it? I am not questioning your decision, just saying I would have had trouble deciding if it was a good idea to start the car or not.
01-27-2019, 12:22 AM
#174
Former Vendor
l am now glad that it was started, and doing so provided me with critical data moving forward.
At this point, based on what l collected, l made a diagnosis to Bronz.. If l was right, he can tell you guys once we have it apart. If shared now a lot of “how did that happen” questions will be posed, and they should not be at this time.
01-27-2019, 01:36 AM
#176
Tuned in. Thanks for the update and anxious to hear more as you find out more. Good luck!!!
01-28-2019, 11:37 AM
#177
Rennlist Member
It wasn’t started at first. l poked around for 4 hours before l decided to start it. Having watched the video, l knew that the engine had ran long enough to have taken out the crankshaft already, if it indeed was losing a connecting rod bearing. By that time, it would have already seen injury.
l am now glad that it was started, and doing so provided me with critical data moving forward.
At this point, based on what l collected, l made a diagnosis to Bronz.. If l was right, he can tell you guys once we have it apart. If shared now a lot of “how did that happen” questions will be posed, and they should not be at this time.
01-28-2019, 01:47 PM
#178
Rennlist Member
01-28-2019, 01:52 PM
#179
Rennlist Member
Thread Starter
Actually we havent. But theres not much to be said yet, its all just guessing until its taken apart. When we do know, i will update all of you.
01-28-2019, 01:55 PM
#180
Rennlist Member