Awesome … or Sacrilegious! Meet the Nissan NX K24 Swap.

For the head, we obtained Drag Cartel 2.2 endurance camshafts and Supertech valve springs, mated with lightweight valves. While we could have gone for an even more aggressive cam, I’m very pleased with the performance and usability of this cam. For the block, Brian Crower’s BC6052 lightweight connecting rods are used. BC Rods are proven performers and are CNC machined from 4340 steel billet and come with ARP fasteners. These are attached to Wiseco 87.5mm bore pistons with a 12.5:1 compression rate. This setup should provide a solid base to allow for an engine that freely revs and is stout enough to handle all of the track use that I can throw at it.

Brian Crower’s BC6052 lightweight connecting rods were chosen for their strength and their lightweight. AES Auto initially pushed really hard to keep the K24 stock for the first year, but when I pushed back for building the engine, they had specific weight expectations that the BC6052’s 457 grams met. These were mated with King bearings.

 

Wiseco 12.5:1 compression pistons were selected to round off the lightweight and yet very effective power-producing rotating mass. Giving up the turbo was one thing, I still wanted a naturally aspirated motor that would have a wide powerband and make good power.

 

The Drag Cartel 2.2 cams were in the box and then in the car so fast that there is no stand-alone photo of them, but really the best pic is in the engine, isn’t it?

16 comments

  1. DAMN VERY NICE. IS THERE A SWAP KIT FOR SELL ON THIS K20 INTO B13 SHELL. IM SURE ALOT PEOPLE WILL BE INTERESTED SINCE THERE SO MANY PARTS OUT THERE FOR THESE K20 MOTORS.

    1. Upgraded, thank you so much. You’re very aware of the struggle that I’ve had the last few years. And know that a lot of thought went into this decision. Thanks so much for introducing me to AES Auto!

  2. This K24 engine is simply silly fast. WHP drop from 360 to 280 – but at the first track day I was out all day and as long as I wanted each session with temps barely rising. I haven’t had a day like that with the DET ever.

    1. It’s like Honda put the things it learned in the past into the K24 and made available in many platforms — Decent power, good reliability with potential for upgrades.

  3. I don’t think we got a final pic of the subframe, but it seemed like there had to be more crossbracing than the one bar with the motor mounted in it, right?

    Also, that’s a 4-2-1 header that’s installed.

    Hey, congrats on the build. It should be bulletproof.

  4. A little sad to see the SR go, but nothing better than having a track car that just works every time and nothing to think about! 280whp on a mustang is plenty of power. It would probably trap 115-120mph in the 1/4.

  5. And for reference, my old B14 SE-R with T25 and JWT S3 cams put down 250whp on a dynoject and trapped 110mph. The poor stock VSLD wore out which made the car about worthless on an auto-x. Not too bad on a road course with big enough turns to keep from lighting up the inside tire.

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