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| 6.4L Performance Parts Discussion What has or has not worked for you? |
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ARP Head Studs
at what power level are they needed?
thanks |
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Id say about 600hp because thats about the level that mine let go and thats seems to be the general concensus about when studs are needed.
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With early job 1 trucks id say itd be safe insurance if you tune past spartan 250
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yes the early job 1 trucks dont have the upgraded gaskets that the later ones have so they wont hold quite as much.
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If you plan on doing them anyway, why wait?
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Thanks, for the replies, I want to stay below needing them. Where can I look to determine which mine is? Job 1,2,3?
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The truck's built date. Post that up and myself or someone else will tell you.
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04/07, thanks
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