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  1. 04-20-2009, 09:38 AM #1
    97BurbanSLT
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    Default Intake Manifold Torque Spec

    Howdy Folks was wondering if anyone knew the exact torque specs for the Intake Manifold bolts on my 454. Vehichle info is in my signature. I thought I had it, the manual i found said 30ft-lbs but i'm finding other resources online that say 25ft-lbs or 35ft-lbs. please let me know if one of you have a definate answer I really appreciate it.
    1997 GMC Suburban K2500 SLT AUTO 4x4 7.4litre 454ci. "ALL STOCK" (NO MODS)
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  2. 04-20-2009, 10:18 AM #2
    GaryL
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    The lower manifold's torque spec is 30 ft. lbs. The upper is tightened using two steps, the first being 6 ft. lbs. and the final being 13 ft. lbs. Give me a bit and I will post a picture of the order of tightening.
    Gary

    99 K 1500 Suburban
    78 Silverado Big 10 w/factory 454
    1977 Formula
    1976 Trans Am
    1980 Honda CB900 Custom
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  3. 04-20-2009, 10:25 AM #3
    GaryL
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    Here's a picture for you:

    Gary

    99 K 1500 Suburban
    78 Silverado Big 10 w/factory 454
    1977 Formula
    1976 Trans Am
    1980 Honda CB900 Custom
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  4. 04-20-2009, 10:41 AM #4
    97BurbanSLT
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    Sweet whered u find that man?
    1997 GMC Suburban K2500 SLT AUTO 4x4 7.4litre 454ci. "ALL STOCK" (NO MODS)
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  5. 04-20-2009, 10:56 AM #5
    GaryL
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    I have a shop manual on cd.
    Gary

    99 K 1500 Suburban
    78 Silverado Big 10 w/factory 454
    1977 Formula
    1976 Trans Am
    1980 Honda CB900 Custom
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  6. 04-20-2009, 11:02 AM #6
    97BurbanSLT
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    whats something like that run? is the the Chilton cd?
    1997 GMC Suburban K2500 SLT AUTO 4x4 7.4litre 454ci. "ALL STOCK" (NO MODS)
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