Proper Spark plug gap?
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Northstar Engines and System Technical Discussion Discussion, Proper Spark plug gap? in Cadillac Engine Discussion; I did a search, and was coming up with different answers (google and here). Some people said 0.050" gap, others ...
  1. #1
    eldorado1 is offline Cadillac Owners Connoisseur
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    Proper Spark plug gap?

    I did a search, and was coming up with different answers (google and here). Some people said 0.050" gap, others 0.052" gap, others 0.060" gap. I realize it probably doesn't make much difference, but would like to know what a 96 engine is supposed to have??


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  3. #2
    eldorado1 is offline Cadillac Owners Connoisseur
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    Re: Proper Spark plug gap?

    You know, maybe while we're all here... Is there any advantage to using a .060" vs a .050"? Better, more complete burn at higher RPMs, but with more emissions? I donno... thoughts welcome.

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    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Proper Spark plug gap?

    Check this thread. It may shed some light on the subject.
    http://caddyinfo.ipbhost.com/index.p...spark+plug+gap

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  6. #4
    eldorado1 is offline Cadillac Owners Connoisseur
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    Re: Proper Spark plug gap?

    Thanks! Just what I was looking for! I didn't anticipate the "lag time" it takes to charge the coils with the larger gap... Good read. BTW - stock gap is .050" according to my 94 manual.

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