Sorry I worded that wrong... He asked if i was seeing a steady mpg bump, what I meant to say was yes, my mpg stayed steady after the swap up untill my sensor went. But just to straitened things out I DID see a boost of about 2mpg when I put the new injectors in. BUT, as I've stated in an earlier post my results should not be taken as complete fact. There are way too many variables. For instance, my truck had 150,000 miles on it when I swapped them out. I have no clue if one of the old injectors were bad, or if an O-ring on them leaked, etc. all I know for sure is, that in my case the new ones helped my average. But I do agree we definitely need more experiments on the subject. Seeing as how injectors are usually "pocket items" at junkyards, even a slight increase could be well worth it
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Originally Posted by beatr911
No mpg gain? Hmmm. Maybe this myth is busted?
Anyone else want to test? More than one data point is always important.
As far as atomization is concerned, I understand that GDI is better partially because of the very high injection pressures and fine atomization. MPG isn't the benefit though, it's more power.
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Yes it's more power, but many times mods that make more power also mean better mileage... Think e-fans, under drive pulleys, and turbochargers