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check timing on obd1 swap

Discussion in 'Civic and CRX - EF' started by 89tangerine, Aug 14, 2007.

  1. 89tangerine

    89tangerine New Member

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    I just replaced the timing belt on my crx, and I am trying to verify its on right by checking the ignition timing. The problem is I cant get the damn computer to stop adjusting the ignition timing while I am checking it. I have a b16 converted to obd1, and when I short the connector on the right side of the engine bay, I still have the problem. Is there something else I should be doing? The other thing I was wondering is what exactly the marks on the crank pulley mean. There is a mark for top dead center, and then three dashes after it. I have read they are either 14, 16 and 18 degree marks for Before top dead center and after top dead center. which is it? thanks
     
  2. jlicrx

    jlicrx Senior Member

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    the mark off to the right by itself is TDC - on the B16 the one on the right of the 3 marks is 13 degrees before TDC - the middle is 15 BTDC - the one on the left is 17 BTDC
     
  3. 89tangerine

    89tangerine New Member

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    alright, so how do I lock the timing so that I can check it. It is a chipped computer, so can I just make a chip with 15 degrees ignition timing around idle, and check it that way? Or when I put 15 BTDCdegrees as a value in the ignition table, does it add 15 to the base value of 15? Hopefully that makes sense
     
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