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997.1 ENGINE SWAP Thread: K24!

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Old Jul 21, 2024 | 09:45 PM
  #106  
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Installed the D2 RS suspension and just getting overflow cans and such installed as well. Engine is next! Hopefully soon
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Old Jul 22, 2024 | 10:36 AM
  #107  
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This motor is missing at least two chains - four by some standards! How's a dealer going to make any money rebuilding these things? :-)
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Old Aug 12, 2024 | 06:42 PM
  #108  
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Old Aug 12, 2024 | 07:22 PM
  #109  
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I guess the purists pissing on the OP didn't read articles in the 1970s about Corvair motors going into 911s. Putting GM motors in 911s for improved reliability and performance has been going on for almost 60 years. Instead of crapping on the OP, he should be thanked for taking a roller with little value and making it better than when it left the factory.
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Old Aug 12, 2024 | 08:21 PM
  #110  
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Originally Posted by Tom R.
I guess the purists pissing on the OP didn't read articles in the 1970s about Corvair motors going into 911s. Putting GM motors in 911s for improved reliability and performance has been going on for almost 60 years. Instead of crapping on the OP, he should be thanked for taking a roller with little value and making it better than when it left the factory.
haha. I don’t really care what anybody says. I have one of the best engines in the world attached to one of the best chassis in the world. That’s all I care about. Now I’ll have two cool cars!… Sorry, three!
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Old Aug 13, 2024 | 12:42 AM
  #111  
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Subbed - love seeing projects like these. I wouldn't feel comfortable taking on projects like these but I sure as hell can respect and appreciate the fabrication, engineering, and custom building that goes into something like this.

It's funny seeing all the purists come barging in. To each his own, we can coexist. More curiosity, less animosity.

A few weeks back, went on a road trip to pick up my buddy's DC5 with EFR turbo from TCS up in CT, took turns driving it few hours at a time, I couldn't wipe the stupid grin off my face.
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Old Aug 13, 2024 | 09:14 AM
  #112  
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Originally Posted by waterpanda
Subbed - love seeing projects like these. I wouldn't feel comfortable taking on projects like these but I sure as hell can respect and appreciate the fabrication, engineering, and custom building that goes into something like this.

It's funny seeing all the purists come barging in. To each his own, we can coexist. More curiosity, less animosity.

A few weeks back, went on a road trip to pick up my buddy's DC5 with EFR turbo from TCS up in CT, took turns driving it few hours at a time, I couldn't wipe the stupid grin off my face.
haha. To be honest I’m not sure why you’d be a purist either a car like these. Tearing this thing apart, I see nothing special. Sure they are great track cars, but just like any car they can always be made better lol

and in the case of this one, when you lose an engine in a car with only 40,000 miles on it, you have to scratch your head… I hate fixing other people‘s F ups lol
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Old Aug 13, 2024 | 10:07 PM
  #113  
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As much as I love Porsches, I do find this thread and the topic in general very interesting. I love the innovation.
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Old Aug 13, 2024 | 11:13 PM
  #114  
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That engine looks great. Can’t wait to see it installed.
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Old Aug 14, 2024 | 04:16 PM
  #115  
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Subbed, I'm really interested in these swaps. Though my application would be a bit different, as I'm (im)patiently waiting for Nick to do the Boxter/Cayman version. I have a 99 Base Boxster and let me tell you, there is NOTHING SPECIAL about that engine. It's fine, it's okay, it's nearly adequate for a grocery getter. Uh, the intake noise is nice! But it is not special. It runs, and maybe someone would like to purchase it when I remove it to swap in a K. My original plan was to buy two motors, slap one in the car without opening it up with a very mild turbo setup, while I do a minor rebuild (rods and gap the rings should be good for 500 whp reliably), and save up for a built transmission. But after seeing that first graph, I might skip the intermediate turbo set up altogether, and just run it NA for a little while before putting the lightly built motor in.

Here's a question, I keep hearing (even in this very thread) that the K will be low torque, not as good on the street, peaky. Also, in the same breath talk about how great NA engines are, especially when you can keep the revs up high. Which one is it? The "low torque" turbo application sucks because the revs have to be kept high, or the NA application is great because you have to keep the revs high?

Here's a dyno graph from one of Nick's videos overlaying a stock 986 2.7 L 240 hp (PURITY!!!!) Porsche engine and a stock, Naturally Aspirated K24. Would someone please point to the part of the graph where the K has drivability issues, low torque, no low-down power, or for that matter a peaky, unusable powerband? I do see at least 1500 RPM of 'more fun' at the top end and the area under the curve is massively different, so it wouldn't be hard to guess which one would win in a drag race, all else equal (which they aren't since the K and trans combo is quite a bit lighter).



Here's a K24 at 11 psi with the 2.7 overlay (underlay, I guess). To me it looks like it's a very linear curve that climbs and climbs and climbs in power until you shift. Isn't that what you want in a sports car?

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Old Aug 14, 2024 | 05:55 PM
  #116  
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Originally Posted by Tom R.
I guess the purists pissing on the OP didn't read articles in the 1970s about Corvair motors going into 911s. Putting GM motors in 911s for improved reliability and performance has been going on for almost 60 years. Instead of crapping on the OP, he should be thanked for taking a roller with little value and making it better than when it left the factory.
I say to each his own.
.....Being a purist is appreciating the sound/feel/design of the 911 engine from it's early years to current 997. ---->Porsche engine is unique in sound and torque/etc.which is something I like/admire.
Throwing a different engine in the back might be a fun for some but it devalues the car and just isn't what I would ever consider buying.
But who cares what anyone thinks as long as you don't mind a much smaller buyer market and lost money out the window when selling.





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Old Aug 15, 2024 | 06:47 AM
  #117  
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Originally Posted by groovzilla
I say to each his own.
.....Being a purist is appreciating the sound/feel/design of the 911 engine from it's early years to current 997. ---->Porsche engine is unique in sound and torque/etc.which is something I like/admire.
Throwing a different engine in the back might be a fun for some but it devalues the car and just isn't what I would ever consider buying.
But who cares what anyone thinks as long as you don't mind a much smaller buyer market and lost money out the window when selling.
Believe it or not some of us don't ever plan on selling our cars.
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Old Aug 15, 2024 | 02:18 PM
  #118  
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Originally Posted by pputkowski
Believe it or not some of us don't ever plan on selling our cars.
I've never followed that religon until recently buying back my '59 356 I let go 27 years ago.
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Old Aug 15, 2024 | 03:49 PM
  #119  
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Originally Posted by groovzilla
I say to each his own.
.....Being a purist is appreciating the sound/feel/design of the 911 engine from it's early years to current 997. ---->Porsche engine is unique in sound and torque/etc.which is something I like/admire.
Throwing a different engine in the back might be a fun for some but it devalues the car and just isn't what I would ever consider buying.
But who cares what anyone thinks as long as you don't mind a much smaller buyer market and lost money out the window when selling.
How do you devalue a roller with a blown motor? For many including me the perfect Porsche is a 944 with a properly installed LS1. It weighs less than stock, handles as good as stock, and sound better!
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Old Aug 15, 2024 | 06:19 PM
  #120  
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Originally Posted by Tom R.
How do you devalue a roller with a blown motor? For many including me the perfect Porsche is a 944 with a properly installed LS1. It weighs less than stock, handles as good as stock, and sound better!
Like I said to each his own

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