timings off

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Northstar Engines and System Technical Discussion Discussion, timings off in Cadillac Engine Discussion; i had just replaced the head gaskets on my 96 sedan deville northstar engine and i messed with the timing ...
  1. #1
    jjm is offline Cadillac Owners Member
    Automobile(s): Cadillac
    Join Date
    May 2007

    timings off

    i had just replaced the head gaskets on my 96 sedan deville northstar engine and i messed with the timing on the cams i heard the crankshaft sprocket and the other three sprockets above it have dots that are supposed to point at eachother while the cams are supposed to be 90 degrees off the face of the heads with the pins facing up i did it and it is still shaking stuttering missing backfiring and it just sounds terrible with no balance please someone help me out.

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
    Automobile(s): 2002.5 F55 STS - 67,500 miles, 2014 Explorer XLT FWD
    Join Date
    Feb 2006
    MD Eastern Shore, Kent Island

    Re: timings off

    Get a FSM or do an online search for the technical data. Pray that you haven't bent one or more valves or cracked a head due to piston contact. Cam timing in a N* is a very precise operation because you're fooling with 3 chains and 4 sprockets, all of which have a specific tooth-chain position at only one of many crankshaft positions.

  4. #3
    AJxtcman's Avatar
    AJxtcman is offline Cadillac Owners Connoisseur
    Automobile(s): The Northstar Tuner
    Join Date
    Apr 2007
    Rock Hill SC

    Re: timings off

    All the info you need is here.
    scroll down and let the page load. over 100 images


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