10 speed with a 3.70 or 3.90?

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10 speed with a 3.70 or 3.90?

08-25-2018, (Subject: 10 speed with a 3.70 or 3.90? )

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Redland1 Offline

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RE: 10 speed with a 3.70 or 3.90?

(08-25-2018 )Chamberpains Wrote: That's not all that great for fuel mileage and longevity of an ISX. I have a 10 speed with 3.55's and it's "all right" keeping my RPM's at a respectable level while in 10th... about 1300 @ 60mph. With 3.42's you'll probably find yourself driving in 9th a lot or being forced to drive faster to get the RPM's up and burn more fuel in 10th.

How much faster are you thinking to be at ideal rpms?

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Messages In This Thread

10 speed with a 3.70 or 3.90? - Redland1 - 08-20-2018,

RE: 10 speed with a 3.70 or 3.90? - Volvo8873 - 08-20-2018,

RE: 10 speed with a 3.70 or 3.90? - Redland1 - 08-20-2018,

RE: 10 speed with a 3.70 or 3.90? - Rig Wrench - 08-21-2018,

RE: 10 speed with a 3.70 or 3.90? - Redland1 - 08-21-2018,

RE: 10 speed with a 3.70 or 3.90? - kryten - 08-21-2018,

RE: 10 speed with a 3.70 or 3.90? - Evotrucker - 08-22-2018,

RE: 10 speed with a 3.70 or 3.90? - Evotrucker - 08-22-2018,

RE: 10 speed with a 3.70 or 3.90? - Chamberpains - 08-22-2018,

RE: 10 speed with a 3.70 or 3.90? - Volvo8873 - 08-22-2018,

RE: 10 speed with a 3.70 or 3.90? - Redland1 - 08-23-2018,

RE: 10 speed with a 3.70 or 3.90? - Rig Wrench - 08-25-2018,

RE: 10 speed with a 3.70 or 3.90? - Redland1 - 08-24-2018,

RE: 10 speed with a 3.70 or 3.90? - Chamberpains - 08-25-2018,

RE: 10 speed with a 3.70 or 3.90? - Redland1 - 08-25-2018

RE: 10 speed with a 3.70 or 3.90? - Rawze - 08-25-2018,

RE: 10 speed with a 3.70 or 3.90? - Zusky407 - 08-25-2018,

RE: 10 speed with a 3.70 or 3.90? - JMBT - 08-25-2018,

RE: 10 speed with a 3.70 or 3.90? - Redland1 - 08-27-2018,

RE: 10 speed with a 3.70 or 3.90? - Rawze - 08-28-2018,

RE: 10 speed with a 3.70 or 3.90? - Billdozer2 - 08-29-2018,

RE: 10 speed with a 3.70 or 3.90? - Redland1 - 08-29-2018,

RE: 10 speed with a 3.70 or 3.90? - Rawze - 08-29-2018,

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