every now and again I like to just produce a quick video and basically this
is my comments on the comments okay in the series about me building the land
cruise at 105 in Africa and the recent video about the terrible state of the
transfer gearbox thirdly this is what was giving you your two wheel drive only
and what a lot of people have said oh that's just a good mod gone wrong and I
haven't I have a problem with that I'm Andrew st. Pierre White join me as I share
my passion for building before wheel drive trucks and traveling to the
remotest parts the world the 105 was built with both parts I'm for drive and
full time for drive the part time for drive basically had standard
transmission transfer gearbox driving part of the rear axle and with a lever
you can engage the front axle it also had freewheel in front hub so you can
disengage the front prop shaft and front axle when driving into or drive because
those drive parts of the drivetrain I know not only needed winning tool
drive the four-wheel-drive permanent for drive 105 had a very simple system
center differential with drive going to the differential splitting the load from
the front and the back at the same time so you get the the wind up between front
and back axles when driving on a firm surface is taken up by the differential
of the middle which can be locked to give you the same as it would be in a
part-time four-wheel drive vehicle with the vehicle engaged in full drive and
the hub's log that's the basis okay now some people have taken the full-time
Patil 4-wheel Drive system in the 105's and converted them to part-time they've
done this by doing something in the transfer gearbox so that it becomes a
two-wheel drive four-wheel drive system and adding freewheel front hubs why have
they done this now I know that many of you watching this are going to disagree
with me here okay because you think that and forgive
me if you've proved me wrong but I accept that and please comment if you
disagree with me just tell me you describe me that's absolutely fine but
here this is why I think that the modification from a four full-time for
drive to a part-time four-wheel drive is a pointless and utter and complete waste
of time not only is it at a complete waste of time and a waste of money
it makes the vehicle worse why is it that the more expensive versions have
full-time poor drive and the cheaper versions have to drive why is that
because of permanent four-wheel drive vehicles handle better I've actually
read some comments whether you say it handles far better and to drive no it
doesn't it can't how can that be that's impossible you are that is it
cannot handle better in part time - or Drive because with for drive you get
neutral steering ask any rally driver and he will tell you that a forward
drive vehicle is far more neutral on the steering which means it's far safer it
just plain grips better end of story okay
so to say it handles better no it doesn't okay I drove for example the
Range Rover had a permanent four-wheel drive system I actually took the front
prop shaft off mine once locked the centre differential and drove it and two
wheel drive it was terrible to drive that was an extreme case yes it was it
was an extreme case because I have driven this 105 them buh-buh-bear
building in Africa into a driver drove it all the way from from George where I
picked it up all the way to Cape Town into a driving FL time it felt fine
there's nothing wrong with it did it feel better
it didn't feel any different because I was driving on dry tarmac dry tarmac
full time for Drive - or Drive not a lot of difference some but not a lot of
difference not a significant difference the instant it starts raining the
instant you go onto a grabber vast difference so there's a safety
thing second be ty we're part time I've owned
now I'm on my I'm about to buy my seventeenth four-wheel drive vehicle
tire we're on part time for drive vehicles is significantly higher
significantly higher than it is on part time for drive vehicles part time for
drive vehicles you constantly constantly have to Stu rotations full-time hold on
our vehicles hardly necessary ok ty where there you go
you've now got tire wear increase in ty way so you're spending all this money to
do the conversion and to make it a part time for drive and the cost is the
conversion plus tire wear plus safety now here's the big here's the massive
elephant in the room fuel consumption the claim is that there's a big savings
on fuel rubbish nonsense it's not it's just plain not true
ok now this is why now you might have disagree with me and that's fine if you
do but here is my evidence
I've been driving vehicles for a very long time and I remember the first time
I wanted to know this it was a friend of mine who was driving and Zambia - lusaka
- a film shooting it was a three hour four hour drive and he was doing it
every single day for about ten days and he was he was doing this and you and we
were talking and I said do me a favor put the transmission in four-wheel drive
because the Pajero of course one of those unique vehicles
where you can select two wheel drive rear wheel drive four-wheel drive with
it with a open center differential like it would be in the Land Cruiser driving
normally okay so you had that choice and you could just click it with a lever -
or drive forward right and remain on the tarmac in four-wheel drive and he did it
and he showed me the figures there was no difference in fuel consumption there
was no difference the difference in consumption over the four drive and
two-wheel drive legs were so in assistant we could not make a conclusion
of any way whether it was more or less we couldn't I drove my Land Cruiser my
sir my first Land Cruiser was a 79 it was a single cab converted into a double
cab and it had the 1h said engine the old that old the same engine as my
current 105 and it had part-time for Drive and I would drive up from
Johannesburg to up to Pattaya where I and the videos come I am take the 105
exactly the same route and I would do it quite often and in that vehicle I
remember I had to do two trips within about three months of each other and on
the way up from Cape Town to Johannesburg I loaded it full of stock
because I was selling books and DVDs and everything and I would and we had a big
trade show so I got put the traits they take lots and lots of stuck with me and
I'd come back down I had to do two trips within about three months and I decided
hang on I'm gonna do the first trip with a lock with the front hubs lock still to
a drive obviously so that that piece of drivetrain is still spinning so the
amount of energy being used by the engine to rotate all its parts it's
exactly the same the only difference is these two things are spinning in the
gearbox and when it's an locked for Drive it's like this and when it's not
in lock for Drive it's like this they're still rotating the amount of energy
being used is identical again the difference was so small I could not draw
a conclusion to that there was no conclusion there that one was better
than the other so I concluded that the savings into a drive are so small
they're not even really worth considering I did it very very recently
with my my trip carrier with the v8 and I came back from the car nice ooh and
I've been monitoring my fuel consumption during the life of the vehicle I'm
pretty I'm not wouldn't say anal about it but I do okay keep records
I drove it all the way back with the front hubs on lock but my lever and two
wheel drive and I measured the consumption guess what I got the best
consumption I have ever got with that vehicle which means that there were
other factors in that reason why I got really good consumption coming back
that were more significant than whatever extra fuel was used being used by me
running running the front prop shaft and drivetrain do you understand I'm saying
there's no it's a myth it's a myth and I will forever believe that it is an
absolute myth because whenever I try it it's I'm sorry there's the difference in
fuel if there is some is so small you spent all that money on a to on a to
drive conversion to a four drive vehicle you would have to do hundreds of
thousands of kilometers maybe the life of the entire car its entire lifespan to
pay for ruining your safety for ruining your tire wear and for ruining the cars
handling sorry guys it is a complete pointless waste of time a mod that is
based on a myth thank you for listening to my little rant there you go there you
have it