Quote:
Originally Posted by t vago
Trouble is, I'm not sure if doing either of these things would actually gain any FE on my truck...
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fwiw, the few bsfc charts I have looked at pretty much all indicate improved mpg with lower ratio than stock, the left hook on the hp curve heads north and bsfc improves. Not a guarantee of course.
You might look at the ratios in a manual trans too
combined with the low auto rear end. If the junkyard/craigslist/ebay has a parts truck with a stick it can be done cheaply.
you might get a clue on bsfc map by plugging in a laptop/obd scanner and log the crap out of everything and try to sort it that way. It might be worth giving Smokey's Dyno a call too.
Just suggestions, nice job on the aero, sorry for the mini hijack.