KPower Industries K24 swap

[Irace86.2.0]

I just got off the phone with Kpower when I was having trouble with shipping the rest of my order. The coolant plug was blocking the order from going through, so I will have to buy that separate. I'll also have to buy the EP3, K20 flywheel bolts, the Hybrid racing plug and the adapters seperately. They said they bought the coolant pipe adapter from Amazon, but would be manufacturing their own soon, but he will email me the link, so I can get them now.

I asked if this has been really successful, and he laughed because it has been very successful. He says they have orders from Australia, Japan, etc. I said millions, and he said I wish it was that much, but yes, they have done really well with this rollout. I got the feeling that they did far better than they thought, and I said congratulations on the success, and that hopefully they can ramp up production to get them out. He said they should have the AC kits in within a few weeks. Partial kits may ship first, but they hope to go in order. The slow and heavy fabrication items like the headers will take a little longer.

[Irace86.2.0]

Does anyone know if Haltech’s EBC or FF sensor are good? I’m sure they work fine for my needs. Just asking.

[Icecreamtruk]

Originally Posted by Petah78

And maybe I am silly to think this but after watching the speed academy JRSC FRS, it kind of left me underwhelmed as their bolt on AP1 (F22c powered) kept up pretty good with it. Anyways, if I was planning to add power to this car, it probably wouldn't be a FA20.

This is because people only speak on peak numbers, rarely on area under the curve when talking about power. Yes a rotrex supercharger makes a lot of peak power, but only at the very end of the revs. The actual usable power on a real life scenario (like the track) is a very different story.

[ML]

Originally Posted by Icecreamtruk

This is because people only speak on peak numbers, rarely on area under the curve when talking about power. Yes a rotrex supercharger makes a lot of peak power, but only at the very end of the revs. The actual usable power on a real life scenario (like the track) is a very different story.

What? I think you getting confused with a turbo.
Does this look peaky to you?

[Petah78]

Originally Posted by Icecreamtruk

This is because people only speak on peak numbers, rarely on area under the curve when talking about power. Yes a rotrex supercharger makes a lot of peak power, but only at the very end of the revs. The actual usable power on a real life scenario (like the track) is a very different story.

I get what you are saying hence I was a bit underwhelmed by a boosted FA20. If I was going to invest in a SC, I rather do the K24 swap.

[Irace86.2.0]

Originally Posted by Petah78

And maybe I am silly to think this but after watching the speed academy JRSC FRS, it kind of left me underwhelmed as their bolt on AP1 (F22c powered) kept up pretty good with it. Anyways, if I was planning to add power to this car, it probably wouldn't be a FA20.

The F22c has a 8200rpm redline, so it can rev out an extra 800rpms. That should make a difference on the track. NA response and power consistency can also pay off on the track, as the supercharged car could suffer from anything from heat soak to ambient temperature induced detuning; what it does on the dyno doesn’t necessarily translate to the track. E85 could greatly improve this difference in the supercharger’s favor.

Originally Posted by Icecreamtruk

This is because people only speak on peak numbers, rarely on area under the curve when talking about power. Yes a rotrex supercharger makes a lot of peak power, but only at the very end of the revs. The actual usable power on a real life scenario (like the track) is a very different story.

See above. The track will be the best place for a JRSC 86 because the car will be in the higher torque band constantly. The F22c will have a flatter torque curve, so yes, it is less peaky, but the 86 would still do excellent on the track. There might be more of a difference around town due to the displacement advantage, but the S2000 needs to be revved out too.

There are other ways to explain the differences. The S2000 has double wishbone suspension, so it could have a handling advantage on bumpy tracks. Gearing could be another. Aero, tires, etc… it isn’t apples to apples enough for just a motor comparison.

[PulsarBeeerz]

Originally Posted by Icecreamtruk

This is because people only speak on peak numbers, rarely on area under the curve when talking about power. Yes a rotrex supercharger makes a lot of peak power, but only at the very end of the revs. The actual usable power on a real life scenario (like the track) is a very different story.

Plenty under the curve really.


I will say in other real life scenarios (like street driving) its low to mid throttle response on 93oct is in between NA 93 and NA E85 up to 3500rpm. Where a NA fa20 on E85 feels more free revving. Obviously WOT is no contest..


Having said that and getting back on topic. The overhead with a K24 either NA or FI is an order of magnitude greater. And if one is going FI they can use cheaper K24 variants, still $10K to install it but it is what it is. The CRV head flows a ton and makes a good Vtec killer setup as it turns out.

[Irace86.2.0]

I’m looking for tutorials and wiring diagrams for EBC and FF for the Haltech Elite 1500, and I don’t really see anything. Can anyone steer me to the right place?

I think both will be easily wired to DPO ports or something, but I don’t know if it is a plug, soldering point, other type of connection or precisely how to do it. Maybe it’ll be obvious when I get them.

[jflogerzi]

Looking forward to people doing this swap. Those who are invested in the Gen 1 as a track only car and want to stay NA K24 swap seems to be the way to go...

[Irace86.2.0]

I saw that the Elite has a 3 bar MAP sensor built into the ECU. You just have to run a hose to the ECU. I already have a 4bar MAP sensor, and there will be a plug for that on the harness, but just saying it is there.

[Icecreamtruk]

Originally Posted by ML

What? I think you getting confused with a turbo.
Does this look peaky to you?

Yes, that looks very peaky, 260 at 7k and a whooping 90hp at 3.5k. Even at full beans at the track, when you shift and end up in the 5.5 range you barely at 160-180. You are letting you the long ass X scale and short as fuck Y scale on the picture trick into thinking you got a fat power curve, you dont.

[Icecreamtruk]

Originally Posted by Irace86.2.0

The F22c ...

Yes, except that the S2000 from speed academy kept up at the track, AND on a rolling drag race, so yeah now, it was performing better, with less peak power.

[Icecreamtruk]

Originally Posted by PulsarBeeerz

Plenty under the curve really.

Not really, even at full beans shifting at redline you loose quite a bit of power. Im not saying there isnt enough power, just that it is peaky and a car with similar peak figures but better powerband will outpace it, easily.

[PulsarBeeerz]

Originally Posted by Icecreamtruk

Not really, even at full beans shifting at redline you loose quite a bit of power. Im not saying there isnt enough power, just that it is peaky and a car with similar peak figures but better powerband will outpace it, easily.

Ah, I was comparing power delivery to stock hence the dyno, where it clearly has plenty of power. Are you comparing to a turbo or roots SC? I missed the your post where you specify what you are comparing.