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Valve Adjustment and Fuel Economy ?s

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Old May 16, 2002 | 03:55 PM
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CZ-75's Avatar
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Default Valve Adjustment and Fuel Economy ?s

I know that my GSR valvetrain is out of adjustment and has been for a month or two now.

I am experiencing pretty shitty fuel economy now as well. Is there a correlation?

Care to explain the reason, if there is?

FWIW, I won't be able to get someplace that I can adjust it until 7/4 weekend, at which point KYBs, ITR springs, etc. go on too.
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Old May 16, 2002 | 04:00 PM
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Default Re: Valve Adjustment and Fuel Economy ?s (CZ-75)

yes, they are some what correlated. I don't know the exact explanation beyond that if the valves don't close properly, you don't get full compression or something...I dunno. It's suprisingly easy to adjust the valves yourself, and a lot cheaper. Most shops charge $100+ and I was considering paying, but after reading C-Speed's instructions and finding a set of feeler gauges ($7.99) and a torque wrench ($29.99) was basically all I needed, (Thanks fiebru1119) I am going to probably tackle it myself. Check out my other post on oil leaks for the info on the valve adjustment...HTH....

-Andrew

Here is the link: https://honda-tech.com/zerothread?id=185777
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Old May 16, 2002 | 04:57 PM
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Default Re: Valve Adjustment and Fuel Economy ?s (Stealth 95 GS-R)

I HIGHLY recommend a dedicated valve-adjustment tool for the job. Harbor Freight has a set for about $25, or if you feel like spending, get the single Snap-On tool for $45. Make sure you get the 10mm size.
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Old May 16, 2002 | 05:00 PM
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Default Re: Valve Adjustment and Fuel Economy ?s (PatrickGSR94)

Which one is that? Is it this one? http://buy.snapon.com/catalog/pro_de...re&dir=catalog

WOW...that is a long link... I might get one of those instead of the feeler gauge, someone said they are a lot easier to use...
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Old May 16, 2002 | 05:08 PM
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Default Re: Valve Adjustment and Fuel Economy ?s (Stealth 95 GS-R)

Um you have to have a feeler guage no matter what. The adjustment tool is MUCH easier to use than the screwdriver/wrench method. If you buy from Harbor Freight you get a set of 4 different sized tools.
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Old May 16, 2002 | 05:46 PM
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Default Re: Valve Adjustment and Fuel Economy ?s (PatrickGSR94)

my bad...I'm dumb...where would one get a hold of Harbor Freight tools?
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Old May 16, 2002 | 05:50 PM
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Default Re: Valve Adjustment and Fuel Economy ?s (PatrickGSR94)

I recently adjusted my valves and did them slightly on the loose side. I noticed the car felt like it pulled a little harder in the top-end but maybe it was just in my head

The previous time I had adjusted my valves I adjusted them slightly on the tighter side and a friend told me that it is not good to adjust them on the tighter side. He said that most shops will leave them on the tighter side in order to quiet any valve ticking. Is he right or wrong?

So whats better... looser or tighter??? Will either one have any affect on power?? Why??
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Old May 16, 2002 | 06:17 PM
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Default Re: Valve Adjustment and Fuel Economy ?s (Oki_Doki)

looser, tighter can burn valves...
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