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Old 03-02-2014, 11:29 AM   #1 (permalink)
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New guy from ri!

Just picked up a 97 civic hx with 100k on it. Love it so far. Lookin for ideas on fuel econ stuff
So far on my av mpg is 45
Highest it 56 mpg.

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Old 03-02-2014, 02:45 PM   #2 (permalink)
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Black and Green - '98 Honda Civic DX Coupe
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Welcome to the forum. There are a bunch of simple and even free things you can start with. I run my 1998 Civic DX's tires, on 13" VX wheels, at 60 psi (when hot). There is a longstanding argument on here about it, but those of us who do it have reported no problems. Mine have been like this for two years or more.

Slow down... and is this a manual transmission or auto? That changes other recommendations...
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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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Old 03-02-2014, 06:38 PM   #3 (permalink)
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It's manual, I have the low friction Eco tires set at 50. I was looking at the k&n drop in filter is it worth it?
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Old 03-02-2014, 06:44 PM   #4 (permalink)
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No

regards
Mech
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Old 03-02-2014, 08:08 PM   #5 (permalink)
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Any reason as to why not? I've seen good results in other vehicles. Thanks for the input
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Old 03-02-2014, 08:14 PM   #6 (permalink)
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Some discussion here.

http://ecomodder.com/forum/showthrea...ech-26655.html

http://ecomodder.com/forum/showthrea...s-mpg-319.html
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Old 03-02-2014, 09:05 PM   #7 (permalink)
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Quote:
Originally Posted by Flyinmonkey View Post
Any reason as to why not? I've seen good results in other vehicles. Thanks for the input
Simple answer:

1) If engine has carburetor, then YES a low-restriction air filter is an improvement.

2) If engine has fuel-injection, then NO a low-restriction air filter is not an improvement.

Why, you ask? Carburetor "works" on air-pressure differential and a clogged air filter will decrease the air-pressure acting upon the fuel venturi jets. With fuel-injection, air-pressure (or lack of it) is nolonger a problem because the engine electronics "measures" incoming air flow (or air mass) coming into the engine (ahead of the intake manifold) and automatically "compensates" for clogged, lower flowing, air filters.
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Old 03-06-2014, 09:40 AM   #8 (permalink)
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Awesome info thanks! How much a diffrence in info will I get if I get the obdII gauge over the mpguino?
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Old 03-06-2014, 10:36 AM   #9 (permalink)
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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)
Thanks: 2,373
Thanked 2,155 Times in 1,463 Posts
Quote:
Originally Posted by Flyinmonkey View Post
Awesome info thanks! How much a diffrence in info will I get if I get the obdII gauge over the mpguino?
An mpguino gives you superior mpg estimates. But that's all it gives. A scanguage or ultragauge will give you good(not perfect) mpg data, but it will offer a score of other measures. the ultragauge is cheaper than the scan gauge and in my opinion better looking.
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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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Old 03-06-2014, 01:50 PM   #10 (permalink)
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How hard is the mpguino? I'm not good with soldering do they sell plug and play kits?

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