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Discussion summary
YOUR RESEARCH996.1 w LS3 today on BaT
Reported or suspected cause
usually gear ratio in the trans
Reported cause
No successful repair reported for this finding.
1
Identified cause
0
Suspected cause
0
Reported fixes
Read evidence and context
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Reported cause
Biggest issue is usually gear ratio in the trans because of the different torque curve.
Leading evidence: 'usually gear ratio in the trans' (1 discussions report identifying this cause; no attributable repair resolution). Across 1 matching discussions, the most frequently mentioned possible cause is 'usually gear ratio in the trans' (1 discussions; 1 report identifying it and 0 suggest it). The most frequently discussed action is 'Check regulations' (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
What's Interesting for me is how the resale value seems way higher than a "normal" 996 or even one fitted with a FSI engine.
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Performed · outcome unconfirmed
Certainly there will be another LS swapped 996 on BAT before too long.
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Suggestion
can you even get a LSx-996 to pass Cal smog check regulations?
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Suggestion
The only nit I�d pick is with the intake, you�d think they coulda figured out a way to use the factory inlet to pump fresh air in as opposed to using hot air inside the engine bay.
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32 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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FrankenPorsche! Long before I needed to make "The" decision I contemplated this conversion, did some research and decided against it for numerous reasons. To each their own...
It sounds OK, but I prefer the sound I get from my flat 6.
I also contemplated doing a V8 swap if I ever had to do a rebuild, but I decided that I'll rebuild mine to 3.8L instead.
I'll probably either have FSI do it, or do it myself. (leaning more toward FSI doing it)
Slightly higher, but I wouldn't say by much. Big power, LS reliability, clean interior and exterior. $32k seems pretty reasonable all things considered.
Personally an FSI would be more attractive to me, like Tex said, the sound is way better than an LS3.
This auction just made me rethink finding a roller and swapping an LS and flipping it.
Not sure I'd make much money, but I sure would lose much at that sale price!
Hmmm...maybe I'll wait and see if this trend continues.
Certainly there will be another LS swapped 996 on BAT before too long.
Doing it yourself, figure $10-15K.
The biggest problem I have now would be finding the time to do the work.
If you ask my wife, I'm well known for taking on challenges that end up being harder and more expensive that I originally expect.
Not all of them, but some of them.
I built 3 SCCA club racing race cars back in my 20s.
They were more difficult to get "right" than I expected.
I've learned a lot since then, and now I tend to overestimate most jobs.
...and this would be a big challenge in my mind, so it worries me a little bit that I might have still underestimated the job.
I'm guesstimating well over 100 hours to do it right.
Unless you
Want
to do it yourself for kicks and giggles fine otherwise send it to FSI and just sit back and wait for the enjoyment on return. Well worth the wait.
When I was snooping around Renegade the price for them to do it with all the gauges/AC working and everything to make the car whole was in the $30k range. That is not/was not a hard quote, but doing the math from the kits and they're labor costs per item plus the cost of an LS3 from Speedway motors.
I did much better with the choice I made...
I dunno. If I wanted a Camaro, I'd build a Camaro.
Wonder what the weight distribution is now - I'd wager it's nothing like what the car was designed with.
U would loose money, there is very little difference. The ls motor is pretty light. Cg is a tad higher but no one seems to have an issue. Biggest issue is usually gear ratio in the trans because of the different torque curve.
lots if info out there if u want to read up.
I wouldn�t pay anything near what it went for, but the work done and overall presentation is solid. It�s one of the few LS swaps I�ve seen that result in no CELs, all factory gauges operating as they should and working AC. They did a really nice job on that one. The only nit I�d pick is with the intake, you�d think they coulda figured out a way to use the factory inlet to pump fresh air in as opposed to using hot air inside the engine bay.
As for weight distribution, it�s virtually the same as the M96 but a lot more HP. I�m sure it�s a hoot to drive.
I am MOST CERTAINLY not an expert on the topic, but thinking of the swap as a novel approach to having big HP in a lowly 996 (albeit a bit sacrilegious) I have done a little looking into it. As I understand it, the overall weight is roughly the same (within 30lbs of each other) and while the Cg
is marginally higher (since the cams are in the block), this can be mitigated as there are lower profile oil pans and you need to do different mounts anyway so there's some room to compensate there.
If one had a shop and access to a cheap LSx, I think it'd be a worthwhile venture. For me, I plan to call up the boys in Georgia if/when the time comes.
Just stumbled on this auction. Good results for the 6 or 7 of us on here that have done the swap lol. Some people asked about weight distribution. I corner balanced my car to 40% front and 60% rear with a 50/50 cross weight (99 996 ls3). If not for the sound, you would think that you're driving a factory 996.
For anyone reading this and trying to math out the swap costs, it could be anywhere from $6K to 20K depending what you want. I think the average is probably in the 10-13K area. Stay away from anything Renegade and you'll be fine. People have been doing this swap long enough so everything is documented. There are at least 3 sets of different engine mounts available (all better than renegade) and tons of wiring options. Having just finished a bmw swap, I can tell you that not having a cross member/steering linkage interfere with engine placement makes this a not-so-difficult swap imo.
Someone on Facebook did the swap for $6000 I think. That is with the iron block. The fancy swaps are way more.
There are some new manufacturers of swap parts, so its getting easier. They even have a swap harness now, but it's pricey. Check out Stuttgart muscle
Someone also made 180 degrees headers, so your LS swapped 996 will sound like a Ferrari and not a tractor
I might do it as a fun project if my car exploded, why not
.
This will be a nightmare for the new owner if they ever have to take the car to a mechanic to work in it. Unless the car came with a detailed wiring diagram, list off all the non Porsche parts with part numbers and instructions on how it was all put together, the owner will pay a hefty sum for the mechanic to figure all this out.
Don't live there so really don't know, but I would think it would not be consider "Stock"...
Maybe it could get by on the age of the car? Hopefully someone from Cali will set us straight.
Not really the ls uses a standalone harness and computer. U piggyback the sensors. U keep the the porsche dme to run guages. Pretty standard for most swaps nowadays. U just disco the porsche check engine light and push thr obd11 plug under the dash and put the ls harness obd11 in its place. There r companies that can vin the new computer if thats what your dmv needs. In delaware they will accept the motor swap if it reads cleans through the obd11 port.
Commyfornia has its own super speacial rules.
I looked into CA rules when considering an Aston Martin V-12 into 2006 Jaguar XJ. Engine change requires same or newer model year, same classification such as passenger or light truck, and originally California smog certified. So any exotic passenger car engine originally sold in CA or state with same smog certification and same or newer than your vehicle appears can be done and pass CA smog.
