What’s better fuel miles on Volvo truck
307 ratio
Or
355 ratio
both are auto iShift
with 485 Volvo engine
2011
Ratio
Discussion in 'Ask An Owner Operator' started by teamscanada, Dec 7, 2023.
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Theres some variation in there of course but you honestly wont notice a huge diffrence between 3.07 and 3.55 most of the time. But i also mostly do vocational with a manual and know very little about volvos overall. That said the 3.55 are a pretty common choice for a reason. Namely they give a good well rounded result. 3.28s are also fairly common if you can find them.Big Road Skateboard Thanks this. -
It is more of a package. Knowing the transmission ratios and final is just as important.
you can put a 3:08 or. 3:55 in the differential.
The 3:08 will be best with a direct output, the 3:55 would be better suited to an overdrive.Big Road Skateboard and Hammer166 Thank this. -
I want to save fuel …I heard 264 ratio are better but my options is 307 or 355
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24.5 and 12 speed auto 2612 tranny I’ll be using it on flat
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What’s the torque curve on a 2011 Volvo engine? Is it designed to be run at 1000-1200rpm or do you need to be cruising at a higher rpm? What speed do you want to cruise at? What’s the final ratio on the transmission? Which rear end will put you at the best rpm at the speed you want to cruise at? Lots of things to think about other than just rear end ratio.
Oxbow Thanks this. -
Will you be on the Interstate, or doing a lot of stopping and starting?
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307 and 68mph or less
Without knowing all the other important stuff.Rideandrepair Thanks this.
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