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Old 11-02-2011, 09:50 PM   #2 (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 office888 View Post
Well gentlemen.

Is it worth it to turbocharge a 1990 Honda CRX HF for increased economy?

I read an article in SuperStreet a loonngg time ago, in which a turbo Honda S2000's fuel economy jumped to 38 mpg. All because it took him less time and throttle to achieve highway speed.

I was thinking maybe a Mitsu 13G with an adapter plate to the HF manifold, plumbed straight into the throttlebody with no intercooler. Boost pressure would be low, only 5 psi or so. I would like to retain the factory 240cc injectors.

My biggest concern is tuning with OBD-0.
Do you know if it will deliver the power in the low end? That's the key, from what I have read. For the best FE results you will want more power on the lower end of the RPM band and you will want as little delay as possible. This unit offers that?
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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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