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Thread: Rev Limit On 454 j
          
   
   

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  1. 06-27-2010 03:20 PM #1
    Tony Miller
    Tony Miller is offline CHR Member
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    Car Year, Make, Model: 1997 Chevy Suburban 2500 7.4L 454
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    Rev Limit On 454 j

     



    Does anyone know what the rev limit on a stock 1997 454 J? The RPM gauge on this suburban does not have the normal yellow warning or red on it. I have read on some web sites 6500-7000 but that seems high for stock to me. I don’t think I will be hitting either any time soon but was curious.
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  3. 06-27-2010 04:02 PM #2
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    techinspector1
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    Quote Originally Posted by Tony Miller View Post
    Does anyone know what the rev limit on a stock 1997 454 J? The RPM gauge on this suburban does not have the normal yellow warning or red on it. I have read on some web sites 6500-7000 but that seems high for stock to me. I don’t think I will be hitting either any time soon but was curious.
    I have no idea of the components in the motor, but I would be surprised if they were chosen by the engineers with much more than about 5500 rpm's in mind when they put the package together. Small intake runners in the heads, short cam, restricted induction package, etc.
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  4. 06-27-2010 06:10 PM #3
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    pat mccarthy
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    just before the rod fly out of the oil pan . all stock or what ????stock gears ?
    Irish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip
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  5. 06-28-2010 12:40 PM #4
    Tony Miller
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    Car Year, Make, Model: 1997 Chevy Suburban 2500 7.4L 454
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    Quote Originally Posted by pat mccarthy View Post
    just before the rod fly out of the oil pan . all stock or what ????stock gears ?
    All stock. Nothing aftermarket. Unless what you say would happen!!!
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  6. 06-30-2010 05:15 PM #5
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    shoprat
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    It's not made for high RPMs in stock form for sure. Rotating assembly is heavy.
    A Ranchero is NOT an El Camino
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