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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCH3.6 L x51?
Leading reported evidence
Replace i noticed 3 drops of oil
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Performed · outcome unconfirmed · Original poster
Well, 5 months after the seal was replaced I noticed 3 drops of oil on the cardboard surface.
Leading evidence: 'Replace i noticed 3 drops of oil' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace i noticed 3 drops of oil' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Performed · outcome unconfirmed
Removed the interior, sunroof, mufflers, door windows, side and rear glass replaced with lexan, optima battery ect...
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Suggestion · Original poster
There is some controversy since Porsche has offered to pay 75/25 to replace my original 2002 45k engine due to casting defect in which the engine at the RMS is not able to completely seal.
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Suggestion
I am sure that will also involve some changes upgrades to OBC software.
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Suggestion · Original poster
There is some controversy since Porsche has offered to pay 75/25 to replace my original 2002 45k engine due to casting defect in which the engine at the RMS is not able to completely seal.
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26 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261027T192637Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I have attempted to get information regarding an x51 3.6 engine and I am not having any luck. my 996 is getting the engine replaced and Porsche sent out this engine by error. The dealer insists that its an x51. I am very sure that it's not since the x51 is a 997 I Gen option only on the 3.8L at a 17K additional cost.
Any and all input is greatly appreciated.
The dealer insists that this motor puts out 381 hp. I find this somewhat difficult to believe. They are also talking about adding an extra radiator and a stronger clutch.
Jumper is correct. The Carrera Power Kit (X-51) was available as an option on the 3.6L 996 engine and was standadr on teh 40th Anniversary car.
If that is the case (381 HP) then it is a 997 Carrera S 3.8L engine with the Carrera Power kit (X-51) added. I am sure that will also involve some changes upgrades to OBC software.
It is hard to believe, but if they can fit it, then "more power to you" (pun intended).
Russo, I believe the easiest way to visibly identify the X51 3.6 engine is by the aluminum intake manifold. The manifold on the non-X51 engine is black plastic (composite?). Attached is a picture of a X51 3.6 engine being stuffed into a boxter.
Mfletch, thank you. It is definately a 3.6 with 345 hp. The dealer doesn't know what they are talking about. They feel its the 381 hp witch I know is the x51 of the 997S. In addition, the crate that this engine came out of is identified as a 3.6. The funny thing is that Porsche is not very helpful in enlightening the people at the dealership; hence, I am having to do the leg work for them.
I can see it now. "I ordered a cup car engine that was suppose to be in this week." "Yea, I think we put that in some dude's cab but we got this rebuilt 3.6 here you can have."
What kind of deal are they going to make you on the X51? That is a sweet engine.
Definitely not a GT3 engine. There is some controversy since Porsche has offered to pay 75/25 to replace my original 2002 45k engine due to casting defect in which the engine at the RMS is not able to completely seal. My respect to Porsche since the car is way out of warranty. I am trying to get this engine put in but its dragging the process down. I have been without my 996 for about 4 months. The good thing is that I have my 997s and thus no withdrawal symptoms from driving a P. In any case, I thought that if indeed the engine was the more powerful I can justify the additional expense; however, since its only 20 hp more I am going to settle for the original 996 plastic covered intake.
JimB, I can see your point, LOL. It's not a 997S X51. It's an x51 for the 996. Surely, the dealer and the factory should improve their communication and thus assure a more professional and competent interaction with their customers.
As I noted on this thread (
https://rennlist.com/forums/996-forum/470591-ims-failure-advice-needed-update-11dec08.html
), I should have a new 3.6L X51 engine installed in my 40th Anniv by next week. Some of the posts on that thread discuss how to differentiate the various types of motors. If you're not in warranty and the engine is not yet installed, consider contacting Jake Raby regarding his modifications.
Just received news today, they are going to install the X-51 for the price difference. It has been recommended to put in a heavier duty clutch. Any advice? I personally don't think that an extra 25 hp requires it but in any case the clutch is already apart and thus the only cost is for the actual hardware. Another question regards re-mapping the chip.
I have heard this before from other sources, that Porsche has under rated the power of the X-51 engine. That the actual output is 7-10 BHP more than the rated 345. I wonder if there are some actual dyno results to support this, or is this just a myth?
....Rickker
I will try to get mine on the dyno. I know it seems to hang with the early cups and the 6 gt3s speed wise. Torque lacks in comparison though. I am also down to around 2800 lbs.....
it could be true because I put on in a 2000 996 and the only mods is a muffler bypass and reprogrammed Ecu for adaption and it put out 370 on the dyno.
Did yours leak leak like crazy as soon as the seal was replaced? How many times did you have to replace it?
__________________
Deckman:
At no time was the oil leak of any significant volume, in fact, we are talking about 3 to 4 drops. Indeed, appreciating the fact that in a Porsche an oil leak may be a symptom of a potentially serious matter I had checked out by my local mechanic in which he confirmed the source was from the RMS. The dealer promptly replaced the seal at a cost of $1800.00, the car was already out of warranty. Ever since I replaced the seal both of my cars are parked over a 2 x 4 piece of cardboard so that just a single drop of oil is promptly noticed. Well, 5 months after the seal was replaced I noticed 3 drops of oil on the cardboard surface. Called the dealer and explained the situation and drove the car over. They replaced the seal at their cost. 3 months later, again a few drops of oil and hence back to the dealer. This time the mechanic had noticed that when the engine is at temperature there was no leak. When the engine cooled he did notice a drop or two of oil on the floor. At this point, Porsche conceded that this was an engine in which there was a defect in the casting of the metal at the RMS junction. In any case, Porsche did make good and offered to pay 75% for a new engine. Remember, an 02 with 45K miles, way out of warranty coverage.
Porsche did me right, I don't know if owning 3 Porches affected their decision to rule in my favor. Needless to say, they have me as a lifetime customer. I mention this because while the matter was being discussed between the dealer and manufacturer I began to seriously consider a Ferrari as my next car.
