S2000 Under The Hood S2000 Technical and Mechanical discussions.

When to Adjust Valve?

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Old 03-24-2009, 11:26 AM
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I had mine done at about 23K just because I was getting a Hondata intake manifold gasket installed. Paid $350 for both.



Old 03-24-2009, 05:14 PM
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Originally Posted by omgitsoop,Mar 24 2009, 08:45 AM
i just did mine at 75,000 miles and they were pretty far off, and my spark plugs were done too....
u feelt a big change after the adjustment?
Old 03-24-2009, 05:35 PM
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im interested about that too does it make a big difference?
Old 03-24-2009, 05:54 PM
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Originally Posted by oyitzpreston,Mar 24 2009, 05:35 PM
im interested about that too does it make a big difference?
idles smoother. pulls more consistently throughout the band. That's the butt dyno talking perhaps but I trust it.
Old 03-24-2009, 11:25 PM
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Originally Posted by s_d2k,Mar 24 2009, 05:14 PM
u feelt a big change after the adjustment?
definately revs smoother, and my gas mileage is much improved, right off the bat my first tank was a little over 320 miles, where before i had never gotten more than 280. all freeway miles though, but still, decent numbers.
Old 03-25-2009, 03:58 AM
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I'm going to do this by myself the weekend... I will let you guys know how it went...
For $150, I can get the proper tools plus extra money for dinner with my gf..
Old 03-25-2009, 05:15 AM
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Originally Posted by omgitsoop,Mar 25 2009, 02:25 AM
gas mileage is much improved, right off the bat my first tank was a little over 320 miles, where before i had never gotten more than 280.
Lol, I'd be happy to see anything over 200 out of a tank with my driving.
Old 03-25-2009, 05:17 AM
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If this helps.

I had my valves adjusted yesterday on my 2001. It has 45 000 miles and all the exhaust was too tight. Intake was ok.

Just a FYI. So im guessing it won't do any harm to adjust your valves.
Old 03-25-2009, 12:28 PM
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every 15 to 20 k for me(if not less), the recent one at 125k was pretty close to spec, only 4-5 was very very slightly loose

after half a dozen done you can knock it down to an hour of work
Old 03-25-2009, 01:16 PM
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just did mine at the dealer today..it was $134.


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