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Thread: stock bottom end 5.3 safe max shift rpm's

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  1. 03-14-2010 01:35 PM #7
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    Beatdown Z
    Beatdown Z is offline Senior Member
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    I would spin the 5.3 in my brother's Chevelle to 7000 rpm, if the tune would allow it.
    Last edited by Beatdown Z; 03-15-2010 at 12:07 AM.
    Big slow mud truck with a TUNE!!!!!!
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