07-10-2018, 10:23 PM
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#31 (permalink)
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The only missing piece is a BSFC chart. The longer stroke may have better BSFC at lower loads. I'm not sure if we have any similar examples to look at though.
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07-11-2018, 03:35 PM
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#32 (permalink)
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home of the odd vehicles
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Every time I see one of these k24 threads
I have to wonder if
https://ecomodder.com/forum/showthre...fxe-27266.html
That would actually be cheaper and easier
Would need ecu, transmission, mounts, harness potentially halfshafts and wheel ends
But I bet even at that the cost of parts is a fraction, the power gains would be adequate to motivate the car in any terrain and I bet the work required would be no more, just different
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07-11-2018, 04:42 PM
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#33 (permalink)
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Master EcoModder
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Quote:
Originally Posted by rmay635703
Every time I see one of these k24 threads
I have to wonder if
https://ecomodder.com/forum/showthre...fxe-27266.html
That would actually be cheaper and easier
Would need ecu, transmission, mounts, harness potentially halfshafts and wheel ends
But I bet even at that the cost of parts is a fraction, the power gains would be adequate to motivate the car in any terrain and I bet the work required would be no more, just different
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Maybe, maybe not. I think it depends heavily on which K24 motor. The Accord's motor is extremely common, and can generally be found with low miles for <$500. It's only if you want one of the higher compression and horsepower variants that prices start to go up.
With the Insight, you can use off-the-shelf Honda parts from other Hondas, and it all basically bolts up. No welding, cutting or modifying.
There are off-the-shelf engine mounts available for the K series, which is not true for any other motors to drop into the car. To me this is a big plus.
The wiring harness is essentially 100% compatible, as is the signaling for most of the stuff in the cluster (depending on the year). Several companies make off the shelf adapters for the K series computers.
I'm willing to bet this swap can be done far more cheaply, I'm just insisting on a newer and more powerful engine.
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07-11-2018, 04:53 PM
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#34 (permalink)
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home of the odd vehicles
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Ah, so your just interested in this
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07-12-2018, 09:54 AM
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#35 (permalink)
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Going cheap on a project like this just ends up being a tedious process of replacing the cheap parts with the stuff that should have been put on in the first place over time, headaches, and ultimately more money than if you just splurged in the first place.
Glad to see you are being smart about it.
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07-12-2018, 10:02 AM
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#36 (permalink)
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Quote:
Originally Posted by Baltothewolf
Going cheap on a project like this just ends up being a tedious process of replacing the cheap parts with the stuff that should have been put on in the first place over time, headaches, and ultimately more money than if you just splurged in the first place.
Glad to see you are being smart about it.
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What do you think, K20 or K24?
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07-12-2018, 12:00 PM
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#37 (permalink)
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I would go K24A2. It might get a little less mpg, but there is no replacement for displacement. Especially because you aren't going turbo. You are already spending the money, you might as well put the best engine you can find in there. Not only that, but you want tall gearing, so the extra torque from the increased displacement will help a lot. Not to mention the A2 was around for a long time, it shouldn't be hard to find one.
[Edit]: something like this would be great.
https://m.ebay.com/itm/04-08-Acura-T...-/323339441653
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07-12-2018, 12:11 PM
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#38 (permalink)
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I'm leaning toward the K24 myself, but the math tells me that even a K20 will have considerably more power in 6th, which will be taller than the stock tranny's 5th. I've been keeping my eyes out for a complete doner, and there are basically no manual 04-08 TSX with low(ish) miles anywhere in the country. Presumably they're already parted out. Plus 180k miles seems high.
I can probably score a sub-60k mile 2012-2015 Civic Si with severe crash damage in the rear for $3-5,000. The K24Z7 is a better motor in most ways, and the car will have a complete wiring harness, shift box, transmission which already has the tallest 6th gear you can get in any Honda 4-pot plus LSD, ECU, and an exhaust which I can adapt over. I'm looking to have my car "California legal", and having a full doner car seems easier. Plus I'd also have stuff I can sell and recoup part of that, like a cluster, seats, etc., or perhaps just whatever a scrapyard will give me for the car after I yank out what I need.
Last edited by Ecky; 07-12-2018 at 12:46 PM..
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07-12-2018, 12:43 PM
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#39 (permalink)
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Human Environmentalist
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My TSX is a 2006 with manual and about 100k miles on the OD. Not giving it up though; fantastic car with exception of the gear ratios and turning radius of a bus.
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07-16-2018, 07:17 AM
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#40 (permalink)
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Master EcoModder
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Sold my hybrid battery yesterday!
Friday commute to work with the hybrid system intact: 73.3mpg
Monday commute with check engine light and no hybrid system: 73.0mpg
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