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Old 11-06-2015, 01:58 PM   #651 (permalink)
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It was 10 years ago that I started aeromodding my Civic CX to create the Aerocivic and I've put over 200,000 miles on it since that time.

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Old 11-06-2015, 04:05 PM   #652 (permalink)
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Glad to see you posting again Basjoos. You've been missed !
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Old 11-06-2015, 04:36 PM   #653 (permalink)
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200,000

Quote:
Originally Posted by basjoos View Post
It was 10 years ago that I started aeromodding my Civic CX to create the Aerocivic and I've put over 200,000 miles on it since that time.
You've probably put 2,000,000,000 'smiles' on all of us!
What a fabulous project! Can't say thanks enough.
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Old 04-06-2016, 08:54 AM   #654 (permalink)
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Aerocivic - '92 Honda Civic CX
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I just made my first interstate road in the aerocivic since last summer and every time I take it out on the interstate its performance continues to astound. Mileage (mpg) in the low 70's while travelling at speeds (mph) in the low 70's. Cruising along in lean burn at 80mph with the faster traffic with plenty of lean burn headroom still available. Nothing else come close to that kind of mileage at those speeds.
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Old 04-06-2016, 10:07 AM   #655 (permalink)
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You're the man, man. Since you're asking so little of your engine to hold cruising velocity, I imagine the engine could be reasonably expected to last longer.
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Old 04-06-2016, 10:20 AM   #656 (permalink)
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Gaptooth (retired) - '00 Honda Insight
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90 day: 54.26 mpg (US)

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Have you ever considered swapping in an Insight's 3-cylinder engine, and running it without the hybrid systems?
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Old 04-06-2016, 11:34 AM   #657 (permalink)
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Mike: thanks for the update!

Now I'm curious what you're driving when not using the Aerocivic.
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Old 04-07-2016, 08:31 PM   #658 (permalink)
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Aerocivic - '92 Honda Civic CX
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I use the aerocivic for all of my local driving when I'm not hauling loads for the farm. For that I use a 97 Ford F150 long bed 4wd. I just don't currently do much long distance interstate driving except when I go to visit relatives. The F150 has a grill block and gets 18 to 21 mpg, but that includes off road around the farm and stock trailer hauling.

The main problem with swapping an Insight 3 cylinder motor into the aerocivic is that it won't lean burn over as wide a range of conditions as the Civic VX lean burn engine does. It certainly wouldn't lean burn at 80+mph.
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Old 04-08-2016, 12:03 AM   #659 (permalink)
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Gaptooth (retired) - '00 Honda Insight
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Such Fit - '07 Honda Fit Sport
90 day: 41.27 mpg (US)

Connect - '15 Ford Transit Connect XL
90 day: 20.08 mpg (US)

K-sight - '00 Honda K-sight
90 day: 38.29 mpg (US)
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I was under the impression that BSFC wasn't necessarily any lower in lean burn, but rather, it was a way to have something like a smaller displacement motor (much lower pumping losses) when cruising on the highway, by opening the throttle plate up. I can't imagine the smaller 3 cylinder motor would deliver any worse economy. Consider the reverse - do you suppose the VX's 4 cylinder would perform better in an Insight than the 3-cylinder it came with?
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Old 04-09-2016, 05:04 PM   #660 (permalink)
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Quote:
Originally Posted by basjoos View Post
The main problem with swapping an Insight 3 cylinder motor into the aerocivic is that it won't lean burn over as wide a range of conditions as the Civic VX lean burn engine does. It certainly wouldn't lean burn at 80+mph.
Won't it? I thought LB was conditional on the load on the engine. How does the Aerocivic's aerodynamic load at 80 compare to the aerodynamic load of an Insight at 60?

All things considered I think at this point it's a matter of radically diminishing returns. I imagine there's a significant weight saving to be had however.

Hmm, looking on Wikipedia - which means this info is absolutely ironclad - the ECA1 engine in the first-gen Insight is related to the kei-class three-pots in some Japanese models. That's interesting.

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