Anyone running 4.11's?

Just took it for a run. 100Kph = 2511 RPM

Too high...

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For you it might be, but I am happy with it, which is what matters.

True, whatever floats your boat.


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Thank you!
Always good to see practical experiences and not only theretical calculations.

But would be to high for me too.

Quote:

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Originally Posted by Werdenfelser

Thank you!
Always good to see practical experiences and not only theretical calculations.

But would be to high for me too.

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Pardon my dumbness, but what is a theretical calculation?

Id like to know why some think 2500 rpm at 100 k is too much:confused:

Quote:

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Originally Posted by rangieman

Id like to know why some think 2500 rpm at 100 k is too much:confused:

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I would reckon that they have never owned a car back in the 70's that only had transmissions that were 1:1 in top gear.

And if it was an auto, convertor lock up was a dream

I've been wondering this for a while now, so thanks to the OP for starting this thread.

I've always found in both my d1 and d2 that just under 2500rpm seems to be the sweet spot, it must be right on, or very close to peak torque of the engine as it just seems unstoppable! Admittedly, with the 265/75's it's almost 120kph so there's a it of a risk attached to it.

I don't like the idea of changing gearing to 3.75 or similar and then deciding down the track that I want to goto 255s or 285s (33 equiv) so I've been hoping that 411s would be bearable with the 32s as I'd prefer to gear first, and then up the tyre size, I feel that any bigger than 32 on stock gears would make the truck a right PITA to drive on or off road.

Current setup is boost @ Aprox 18psi, decat, de egr, 265/75 and lifted. Once u added on barwork etc it would be a slug on any bigger tyre I reckon.

In response to 2500rpm being too much, keep in mind that it is only 2.5L so not a huge engine, as a comparison my 2.6 petrol bravo does 3100 @ 110, so the revs aren't that high for the td5s capacity.

Quote:

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Originally Posted by Phat-Customs

I've been wondering this for a while now, so thanks to the OP for starting this thread.

I've always found in both my d1 and d2 that just under 2500rpm seems to be the sweet spot, it must be right on, or very close to peak torque of the engine as it just seems unstoppable! Admittedly, with the 265/75's it's almost 120kph so there's a it of a risk attached to it.

I don't like the idea of changing gearing to 3.75 or similar and then deciding down the track that I want to goto 255s or 285s (33 equiv) so I've been hoping that 411s would be bearable with the 32s as I'd prefer to gear first, and then up the tyre size, I feel that any bigger than 32 on stock gears would make the truck a right PITA to drive on or off road.

Current setup is boost @ Aprox 18psi, decat, de egr, 265/75 and lifted. Once u added on barwork etc it would be a slug on any bigger tyre I reckon.

In response to 2500rpm being too much, keep in mind that it is only 2.5L so not a huge engine, as a comparison my 2.6 petrol bravo does 3100 @ 110, so the revs aren't that high for the td5s capacity.

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My thoughts exactly :thumbsup:.