What RPM should 740T be at going 65'ish?

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Nov 21, 2004 | 06:35 PM

jc740T

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What RPM should 740T be at going 65'ish?

I am trying to figure out if the OD is working or not. Last night at 65mph the rpm was approx. 2500. Is that about right? Thanks.

Nov 21, 2004 | 07:42 PM

tech

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RE: What RPM should 740T be at going 65'ish?

If you push the button on the shifter does it downshift?Also that sounds pretty close.

Nov 21, 2004 | 07:47 PM

jc740T

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RE: What RPM should 740T be at going 65'ish?

no, nothing happened except the light (arrow) on the dash lit up. I thought this meant I was out of overdrive.

Nov 21, 2004 | 07:51 PM

tech

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RE: What RPM should 740T be at going 65'ish?

When the light is on you are out of overdrive.When the light is off you are in overdrive.

Nov 21, 2004 | 09:23 PM

brutus

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RE: What RPM should 740T be at going 65'ish?

My 87 740 Turbo runs about the same, 2500 at 65. If you hit the overdrive button, the light comes on and your rpms will jump considerabley

Nov 22, 2004 | 10:50 AM

jc740T

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RE: What RPM should 740T be at going 65'ish?

So I guess this means I am in OD, but since I am not getting a jump in rpms when I hit the button, the OD is not working. Thanks.

Nov 22, 2004 | 10:56 AM

jc740T

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RE: What RPM should 740T be at going 65'ish?

One more related question. What kind of gas mileage should I expect given relatively easy combo driving, where I am trying to go light on the turbo usage? Thanks.

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