Quote:
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Originally Posted by 01Blackerado
93 octane
5900 Rev limit
Top speed H 128mph
shift points 1-2 +1mph
2-3 +8mph
3-4 +5mph
Shift Firmness-On
And that should do it
P.S. only do it this aggressive if you have Intake, Exhaust, Headers, and 160* tstat
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What should it be if you only have intake? I have 2005 5.3l 4.10 crew cab Z71