Thread: Timing Adjusting

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  1. #1 Timing Adjusting 
    flip's Avatar
    flip is offline What is power without control?
    Join Date
    Jan 2007
    Woodstock, GA
    Adjusting the timing on your 240sx

    Fully warm up the engine. Shut engine off. Disconnect the TPS harness connector. It's located on the passenger's side of the engine just above the throttle assembly.

    Attach timing light to plug wire #1 which should be the one closest to the front of the car. Start engine and set timing to 20 degrees BTDC. 20 degrees is the far right most mark on the crank. Use the protruding bar to tell what the timing is currently set to.

    Check the idle speed. It should read 650 RPM; If not, adjust the idle screw until you get 650 RPM. The idle screw is located on the passenger's side of the engine near the firewall below the intake manifold. Stop the engine. Reconnect the TPS harness connector. Start engine. The idle speed should now be 700 RPM.

    That's all there's to it.
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  2. #2  
    Join Date
    Jul 2007
    good write up
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  3. #3  
    Join Date
    Aug 2007
    Sandy Springs/Dunwoody
    omg man ur saving my life here. This is the second post ive seen from you today where u posted exactly what i was thinking about knowing. Thanks again.
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