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Old 05-28-2018, 01:21 PM   #15 (permalink)
California98Civic
Cyborg ECU
 
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Join Date: Mar 2011
Location: Coastal Southern California
Posts: 6,299

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 66.42 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
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Quote:
Originally Posted by Crashy View Post
... The question still has not been answered: has anyone tried it? https://youtu.be/pCr6bjQMrgU
I have not tried it.

But damage is not just possible but almost inevitable, on a time horizon too near and at a price too dear for anyone on a normal budget and in need of their car on a daily basis.

I watched the "Engineering Explained" vid you linked to as well. But I think he implicitly answers the question of whether this is a good mod for a standard road car in his explanation. The engine he describes was was specially designed with dual ports for differently timed injections of the two fuels. It also had a super high 16:1 compression ratio and outlandishly lean AFRs programmed into the ECU, such as 45:1 at times.

So, I would never try it on my car. I would not expect more than a marginal benefit in engine efficiency from just mixing diesel with gasoline in a conventional gasoline engine. I would expect engine damage, the likelihood of which would depend on how radical you are in the mixture.
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.



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