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working on a 6.0 1/2ton truck

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Old Mar 4, 2007 | 12:51 AM
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fast_gto's Avatar
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Default working on a 6.0 1/2ton truck

I have a 6.0 and 4l80 in the truck and im having trouble with my tune will not down shift and shift into gear real fast like in 3rd gear it shifts at 15mph any ideas also it reads that its to lean and has a misfire
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Old Mar 4, 2007 | 02:50 PM
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Darth Z's Avatar
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From: Houma, LA
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Did you check with the Performance Trucks forum yet?
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