50 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHVF Supercharger
Leading reported evidence
Run about 6-7 psi and was intercooled
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
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Performed · outcome unconfirmed
It was crazy fast, ran about 6-7 psi and was intercooled.
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
So much so that the local dealer here is actually checking your social media to see if you hit the tracks with it and once they find out, deny the warranty.
Leading evidence: 'Run about 6-7 psi and was intercooled' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check social media' (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.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
So much so that the local dealer here is actually checking your social media to see if you hit the tracks with it and once they find out, deny the warranty.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
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Suggestion
Could be wrong, but not willing to test the theory.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
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Suggestion
Supercharging small-block chebbies and other huge-displacement, low-power, cheaper-n-dirt engines makes more sense than supercharging costlier-than-dirt small-displacement motors with questionable tolerance for more HP/L/compression using factory internals.
Use inspired issues like cuda's motor seem relatively rare
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
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Suggestion
The stories of regular use-inspired issues like Cuda's motor seem relatively rare.
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
Check social media
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
So much so that the local dealer here is actually checking your social media to see if you hit the tracks with it and once they find out, deny the warranty.
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
Supercharging small-block chebbies and other huge-displacement, low-power, cheaper-n-dirt engines makes more sense than supercharging costlier-than-dirt small-displacement motors with questionable tolerance for more HP/L/compression using factory internals.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
50 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261026T122219Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
[Image-only post; no author-written text. Original image references:]
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Are they glass, or does the platform just let you run them to the death? The biggest factor I see in blown motors is owners trying to make them something they're not (ex. relying on OEM IMSb, tracking all day & running them too hot for too long, etc.). The stories of regular use-inspired issues like Cuda's motor seem relatively rare.
Supercharging small-block chebbies and other huge-displacement, low-power, cheaper-n-dirt engines makes more sense than supercharging costlier-than-dirt small-displacement motors with questionable tolerance for more HP/L/compression using factory internals.
I can slap a supercharger on my Corvette, screw up the fueling upgrades, and lean it out under boost with catastrophic results...let's see, carry the one, add the 7...about 9 times for what it would cost to blow and pop the 996 once.
Before I got my 996 I remember seeing a car locally that had one that was for sale....I have to say it looks like a pretty well done kit. I don't think it's going to cause the IMS bearing to carry any extra load, I don't see how it could really add to the normal modes of failure, heck, you would just get through the corners at tracks faster with less oil starvation!!!
Want to think about it some more? Add that supercharger and let your 996 sit in the garage for 10 years. Obviously can't drive it, but some dumb ****** will turn that $80k profit into $130k profit once 996 values take off.
Mark my words.
Oh it will, adding boost will increase the cylinder pressures, adding more piston skirt side loading.
It will also heat the pistons up more, and probably increase shear stresses on the oil film between the piston and bore.
Don't forget higher temps on the valves in the head, so more likely to crack and intermix.
The added thermal loading will stress out everything else including the cooling system.
There is a video on youtube of a blown m96 in an older 911 body with 1000hp, but it doesn't say how long it lasted....
every post ends up with the same remarks yet i cant find a single that has had an issue
there are quite a few gyts on 6speedonline that have them and positive things to say about them
I saw that flat 6 innovations didn't recommend it on stock engines and definitely wouldn't want to take the risk. I just figured if the 4s engine is the same as the turbo then in theory it should be safe for a turbo or supercharger. (But I'm a newbie to the porsche world..)
No - C4S has the same upgraded brakes, suspension & widebody. C4S engine is the same as the Carrera. Turbo engines are split case Mezgers, very different engines hombre.
To be fair,
ALL
of my motor failures have been due to very aggressive use of the cars. I didn't buy them to drive them like Camrys.
A good friend of mine has a supercharged 996. He has had nothing but problems with it, for years. He told me over $50 k in expenses. He never drives it any more.
A friend of mine just blew the motor in his Cayman GT4, tracking it after chipping it. These modern Porsche motors don't seem to like much more than OEM power for aggressive use. That's my experience, anyway.
Noted on yours, thanks. Wowsa on the GT4. There's a lot to be said for finding peace with having a cool street car & leaving it at that! GL with your boxser btw.
Yeah, I've heard the gt4 is having issues. So much so that the local dealer here is actually checking your social media to see if you hit the tracks with it and once they find out, deny the warranty.
wow - that explains why so many are being turned over. One dealer's note in the classifieds said "of the 20 GT4s we've sold this season..." If one dealer is turning over that many in a short timeframe, it begs a question of why so many original owners are dropping them.
someone told me at my last track day that there was problems with the GT4 and porsche was denying the warranty, he was a mustang driver so I thought he was full of crap
thats sad ! i would be pissed if i had a GT4 and they said my warranty doesnt apply because i tracked it
Years ago, I sold a set of turbo twists off my 928 to a guy that had a vortech supercharged 996.2 Carrera 2. We put the wheels on his car in my driveway and we went for a spin. It was crazy fast, ran about 6-7 psi and was intercooled. Never heard from him again after that, but sounded like he had it on there for awhile and hadn't blew it up yet.
Its funny that everyone on this site says that yet there isnt a single post on here of anyone who has blown an engine that I have found. There are a bunch of people on 6speed that have them and most of them seemed to have had them for years without much problems, and again no posts that I found of anyone blowing an engine. Has someone probably blown an engine yes but people post on here all the time blowing engines without them so I am not sure the supercharger is anymore dangerous.
these engines blow with nothing added to them. Adding a supercharger adds significant stress to an engine.
I'm ok with my opinion. You don't have to be.
I agree that it adds stress just like it would on any other car but everyone posts on here like its going to explode the day you supercharge it. All I would like to see on here is people posting actual facts of cars that have actually had damage due to this. Of course its obvious that there is a higher likelihood that it could happen but I would really like to know how many people who have these have actual problems.
The people that post will be few and far between because they either A.) Blew the motor up or B.) Didn't install one out of knowing better
I've sprayed nitrous and boosted some pretty stout motors, this car would never be a slight consideration.
yes i would say that is probably partially true but some of these people would be talking you would think
i dunno it seems awful strange that nobody would be reporting this, or maybe they are not sure if it had anything to do with the problem so they dont want to blame the product
I'm sure there are success stories (much as there are M96's without IMSB failure), but I don't put a lot of faith in forced hands on an M96. Plenty of blown up blocks and heads flying off to know these are meant to be NA at best.
It's strange because it probably hasn't been attempted much. Those who have may not be forum type people. Some could very well still be running as a daily driver, but on a track...., I'd give it a half a lap from heat dispersion alone. Could be wrong, but not willing to test the theory.
The devil in supercharging is the tune. If the motor starts detonating the pressure inside is immense. It doesn't matter how tough or weak an engine is, it won't survive for long if it is detonating.
I supercharged a 928, I ran it a bit rich and removed some timing at the top end. Probably left some horsepower on the table but I wanted to be cautious.
The modes of failure for a 996 won't be affected much from boost, with the exception of early models that are more prone to head cracking and d chunking. Ims, bore scoring, cam chain tensioners will all fail whether it's boosted or not. Best line of defense if you are going to boost is make sure all these things are 100% and then make sure it's tuned right.
thats my opinion as well, good tune, wideband, & maybe J&S safeguard or something to prevent detonation will make is afer ... now how many people have went to that extent? probably not to many but thats the only way i would do it
Well, if someone wants to sponsor me, I will gladly put the Craigslist supercharger on mine and report back how it goes😜. Should I start a gofundme account or what?
After reading this thread and one on 6 speed, I might consider it in a year or two on my car. 996TT's are getting pricey and this is a nice alternative.
everything in terms of wear will happen at an accelerated rate. The Cracked rod designs won't help. APR rod bolts would be a must IMO - at the minimum. If your engine has 60k miles or more, adding a supercharger is a signing it's death certificate. Again, this is all my own opinion. I admit my opinion of this motor platform isn't a great one. I think it's a total POS.
The rods are a valid point, thats not going to be a cheap or simple fix either, might as well do the whole engine then ... ughhh its easier to just sell the car and buy a turbo
