Re: How to optimize a RCSB for gas mileage
I picked up mine a little over a year ago a 01 5.3 has 183K+ miles I got a little over 19 MPG @ close to 80MPH (with the JD in the back 200 of the 400 miles)
Since then I had a misfire code so I replaced all the coil packs It seemed to pick up some MPG but I have not checked it yet
And yes it is a fun little daily driver it was worth the wait
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California 65 GTO---Texas 64 burb 283 ---Oklahoma 67 CST SWB BBW wood bed 327 2004r---New Mexico 72 k10 350 350 auto---Georga 72 short step project
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