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Thread: How to change MAP settings on E38 08 Silverado to read 2/2.5 or 3 bar map?

  1. 02-20-2011 #1
    AidanN20
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    How to change MAP settings on E38 08 Silverado to read 2/2.5 or 3 bar map?

    My 08 Silverado E38 file will not allow upgrade to speed density etc. Anyone know how to fix?
    Last edited by AidanN20; 02-20-2011 at 07:44 PM.
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