Thread: Truck stumbling... stuttering...
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  #9  
Old Tue, May 8th, 2012, 08:27 AM
RGSMDNR RGSMDNR is offline
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Join Date: Dec 2008
Location: Okotoks, Ab
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I fill up at Costco so not sure where they source their fuel from. Im also running a 89 Octane tune but 87 fuel and am turning the timing back 1 degree as per required.
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