Honda/Acura Tech Honda tech discussion.

valve adjustment for d15b2

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Old Jul 14, 2009 | 03:06 PM
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Default valve adjustment for d15b2

i need to know the specs of adj the valve in my stock 4dr ef dual point
and where can i get a feeler gauge for this??
and any tips or tricks to adjusting the valves would be helpful like a how to or something
i will rep whoever can help me out here thanks
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Old Jul 14, 2009 | 03:12 PM
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I'm pretty sure autozone or any "parts" store sells feeler gauges.

I think the adjustments are:

exhaust - .008-.012

intake - .010-.012
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Old Jul 14, 2009 | 04:45 PM
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On most Hondas the placard under the hood says your valve adjustment specs. The specs on have on your engine is different from what Dramas saying.

Intake 0.007 - 0.009 in.
Exhaust 0.009 - 0.011 in.

exhaust tighter then intake.. um no.
You can buy a feeler gauge from any auto parts store like advance auto or autozone. Get the angled ones, easier to work with Make sure when you buy the gauge it has your specs!
Valves should be adjusted cold. When i mean cold like you haven't ran it for a few hours.

  1. Set No. 1 piston at top dead center with mark on camshaft pulley at top and TDC groove on back of pulley aligning with cylinder head surface. Also, distributor rotor should point toward No. 1. plug wire terminal
  2. Loosen locknut and turn adjustment screw until feeler slides back and forth with slight amount of drag. If you can't slide the next size up or down your good Then tighten intake and exhaust valve locknut to specification.
  3. Rotate crankshaft 180°counterclockwise. TDC groove on camshaft pulley should align with index mark on timing belt cover, and distributor rotor should point toward No. 3. Check clearance on No. 3 cylinder and adjust as in step 2.
  4. Rotate crankshaft 180°counterclockwise. TDC groove should align with cylinder head surface, and distributor rotor should point toward No. 4. Check clearance on No. 4 cylinder and adjust as in step 2.
  5. Rotate crankshaft 180 degrees counterclockwise. Mark on pulley should be visible, and distributor rotor should point toward No. 2. Check clearance on No. 2 cylinder and adjust as in step 2.
Good luck!
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Old Jul 14, 2009 | 04:50 PM
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I never said I was correct, I don't touch singlecams anyhow.

Ancient technology
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Last edited by K20A2; Jul 14, 2009 at 04:54 PM.
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Old Jul 14, 2009 | 05:38 PM
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Im not knocking on you for trying to help a fellow TR member or start a fight.
FYI B16 intake 0.006 - 0.007in exhaust 0.007-0.008in really measured in MM but just proving a point and dont know if you know how to convert
intake still tighter
Goes the same for your subie lmao :o
You may have just got the number backwords so w.e. BUT knocking on the single cams! HOW DARE YOU! lmao
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Old Jul 14, 2009 | 05:42 PM
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Haha how'd you know I have a Subaru?
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Old Jul 15, 2009 | 06:53 PM
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My TRGarage...
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