sorry will specify before it gets off topic.
I contacted a guy selling a quigley that had the 5.4 motor that got 12 mpg.
I was guessing the V10 got around that if I was lucky. so the difference between the 5.4 and V10 is minimal (I think) and would rather have the V10 over the options of gassers. I want a 7.3 as a first choice though.



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