ADVICE NEEDED: DRIVING 4.0 V6 Auto in the Dunes /offroad

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Alex2539
Low Range 4WD
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Vehicle: HILUX LEGEND 45 V6 4.0 4X4
Real Name: Alex

Tue Nov 27, 2018 8:20 pm

Good evening fellows

I have started a tour company and i will be using a DC hilux 4.0 V6 auto. My tours will specialize in the dune adventures. I drove D4Ds for the past 5 years and all 3 were manual transmissions, i knew what to do when I go offroad. The v6 does everything easy, however I do not really know what gear combinations to use offroad. any advice/recommendations out there? thank you

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Mud Dog
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Tue Nov 27, 2018 11:22 pm

Eish Alex! There's off-road and there's off-road .... then there's also off-road. :D:

The nature of the terrain / obstacle will really determine the gearing - there are sand tracks that you can drive in H4 using 3rd and even 4th gear and then there are sand tracks that will need L4 as low as 2nd gear. The really rough terrain is best done in the lowest gearing, not only because of the power at low revs but to slow the speed down so that you can choose a line more carefully or be guided more easily and then of course to minimise / eliminate damage to the vehicle.

In the dunes on the other hand, revs is king, keeping the revs in the power band of the motor - The motor, the angle of inclination and then the length of the ascent will determine the gearing. Usually L4 1st or 2nd gear. On descents, slow and controlled in L4, 2nd with the power on at about 2000rpm unless the back wants to come around, then you floor it a bit. Tyre deflation is of course vital.

I must add that I speak from my own experience which is mostly rugged terrain but includes sand driving and then dunes to a greatly lesser degree. On top of that, I haven't had the pleasure of driving a 4.0 V6 which would behave dramatically different from a 2.4 lit 22R motor, especially with an auto box but I would imagine that you would still mostly be using L4 2nd or 1st.

Hopefully someone with a 4.0 V6 Auto can give you some more meaningful pointers. :winkx:
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Alex2539
Low Range 4WD
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Posts: 147
Joined: Wed Sep 09, 2015 7:04 pm
Town: Walvis Bay
Vehicle: HILUX LEGEND 45 V6 4.0 4X4
Real Name: Alex

Wed Nov 28, 2018 12:40 pm

Mud Dog wrote:Eish Alex! There's off-road and there's off-road .... then there's also off-road. :D:

The nature of the terrain / obstacle will really determine the gearing - there are sand tracks that you can drive in H4 using 3rd and even 4th gear and then there are sand tracks that will need L4 as low as 2nd gear. The really rough terrain is best done in the lowest gearing, not only because of the power at low revs but to slow the speed down so that you can choose a line more carefully or be guided more easily and then of course to minimise / eliminate damage to the vehicle.

In the dunes on the other hand, revs is king, keeping the revs in the power band of the motor - The motor, the angle of inclination and then the length of the ascent will determine the gearing. Usually L4 1st or 2nd gear. On descents, slow and controlled in L4, 2nd with the power on at about 2000rpm unless the back wants to come around, then you floor it a bit. Tyre deflation is of course vital.

I must add that I speak from my own experience which is mostly rugged terrain but includes sand driving and then dunes to a greatly lesser degree. On top of that, I haven't had the pleasure of driving a 4.0 V6 which would behave dramatically different from a 2.4 lit 22R motor, especially with an auto box but I would imagine that you would still mostly be using L4 2nd or 1st.

Hopefully someone with a 4.0 V6 Auto can give you some more meaningful pointers. :winkx:
Thanks Mud Dog..always helpful.

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JohanM
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Wed Nov 28, 2018 1:07 pm

Alex,

the terrain and dunes will dictate what you use but having seen om most dune trips Highrange is usually the range of choice and with the power of the 4.0V6 you should just keep in mind to manual select the gears like leaving it in 3rd gear which will allow it only to go up to 3rd gear as the lockup engages and prevent the gearbox from overheating.

Same principles like when towing a heavy load with a autobox is to not leave it in drive. Lock it in gear and it will be safe.

Powerwise the 4.0 V6 you will find very responsive and easy to drive. I would suggest you go play in a place like Lang strand or even duin 7 or something they call it there outside of Walvisbay area is a place the guys always go play over December.
Johan Marais
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Alex2539
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Real Name: Alex

Wed Nov 28, 2018 6:00 pm

JohanM wrote:
Wed Nov 28, 2018 1:07 pm
Alex,

the terrain and dunes will dictate what you use but having seen om most dune trips Highrange is usually the range of choice and with the power of the 4.0V6 you should just keep in mind to manual select the gears like leaving it in 3rd gear which will allow it only to go up to 3rd gear as the lockup engages and prevent the gearbox from overheating.

Same principles like when towing a heavy load with a autobox is to not leave it in drive. Lock it in gear and it will be safe.

Powerwise the 4.0 V6 you will find very responsive and easy to drive. I would suggest you go play in a place like Lang strand or even duin 7 or something they call it there outside of Walvisbay area is a place the guys always go play over December.
Bai dankie Johan :thumbup:
Bonded to Yotas :cooldude:
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Johan Kriel
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Thu Nov 29, 2018 1:47 pm

V6 Auto!? Wat wil jy weet!. Jy moet die petrol trap. :mocking:
Johan Kriel

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