4.7 Petrol v 4.2 Diesel

Submitted: Saturday, Oct 08, 2011 at 19:21
ThreadID: 89449 Views:7960 Replies:3 FollowUps:9
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I have been looking for a suitable tow vehicle to go travelling and with the budget I have am looking at a Landcruiser GXL 100 series diesel,when I started looking at the 4.7 petrol which is considerably cheaper approx $15000 which is a lot of fuel. What I would like to find out is does anyone tow approx a 2ton van with a 4.7 petrol landcruiser and what fuel consumption they get.Also is there anything to look out for when buying a 100 series
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Reply By: Member - Peter S (NSW) - Sunday, Oct 09, 2011 at 06:58

Sunday, Oct 09, 2011 at 06:58
Hi carlj, I posted this report some time ago but it may be of interest to you, dont forget the TD has a service at 5000 klm where the V8 petrol is 10000klm normal driving, half this on both for towing, so there is an additional cost there too.
We bought the V8 petrol and are very happy with it.

Hi all, I thought that I would give a report on using the scangauge in my vehicle for my last trip, there will be 2 reports this one for fuel and next one for auto temps, so details of vehicle and caravan first.
2003 Toyota Landcruiser 100 series V8 petrol 5 speed auto, 285.75.16 BFG AT tyres, has draws loaded and usual other stuff also 50 litres of water behind front seats.
Caravan, Regent Legend 19ft duel axle pop top ATM of 1960 kg I do not over load the van and believe / hope I am a little under this weight.
So to fuel, I will state that as far as possible I stick close to the posted speed limits up 100klm,
I checked with the scangauge at the end of each day and these figures are for towing only, the scangauge is calibrated using GPS, and the fuel amounts have been checked using the GPS and fuel used and found to be as accurate as I can get.

Average towing only, 22.00
Worst 25.00 this was with a very strong head wind and hilly.
Best 19.01

I have posted this just as info, hope it helps. Pete.
AnswerID: 467148

Follow Up By: carlj - Sunday, Oct 09, 2011 at 07:48

Sunday, Oct 09, 2011 at 07:48
Thank You just what I wanted
FollowupID: 741259

Follow Up By: Robin Miller - Sunday, Oct 09, 2011 at 09:32

Sunday, Oct 09, 2011 at 09:32
Hi Carlj

2 ton isn't a strain on any of the big wagons , some of the diesels though are quite slow.

But I believe there was 1 early model of the 4.7 V8 petrol 100 series that came in manual which would help with consumption issues.

You can definately get the 4800 petrol Patrol in manuals up to 2006 and they have a wider flatter torque curve , more power and a longer wheelbase making them better tow cars.
Robin Miller

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FollowupID: 741265

Follow Up By: chisel - Sunday, Oct 09, 2011 at 12:26

Sunday, Oct 09, 2011 at 12:26
The TD cruiser has a service interval of 10000km.
FollowupID: 741281

Follow Up By: fisho64 - Monday, Oct 10, 2011 at 01:34

Monday, Oct 10, 2011 at 01:34
yep TD is 10000km normal driving-I believe the wording for both is the same for both as regards harsh conditions in the service manual/glovebox manual.
FollowupID: 741345

Follow Up By: vk1dx - Monday, Oct 10, 2011 at 19:32

Monday, Oct 10, 2011 at 19:32
We have the 2005 4.2TD 100 series auto. We do not tow anything but at almost GVM it is asked to do more than just idle along. Especially in the deserts and sand and mud.

The book says 10,000Kms service as well. We also opt for the 5,000Kms service regardless of light or heavy work we get it serviced every 5,000Kms anyway. She does miss some of the 5,000 services when we are away though. But it always get a pre and post trek check by the workshop before and after every trek as well.

FollowupID: 741384

Reply By: Vernp - Sunday, Oct 09, 2011 at 09:50

Sunday, Oct 09, 2011 at 09:50
Great question Carlj as i have been wondering the same do I go petrol or diesel in a cruiser. My van comes in just under 3tonne and the pathfinder does ok but I would like a bigger footprint on the road. So I will be watching this post with interest.
AnswerID: 467158

Reply By: Member - Joel and Michelle (WA - Sunday, Oct 09, 2011 at 17:53

Sunday, Oct 09, 2011 at 17:53
I have an extended 2006 TD landcruiser, Dp chip 3inch exhaust, auto. Just a point with these autos, you can't tow in 5th so this makes it an expensive exercise and I now sit on around 85 kms. Still very happy with my choice of vehicles, although if someone new how to modify to tow in 5th would be very happy.
Towing 25ft Jayco at around 3t gets me an average of 21litres per 100k. Have done 50 000kms in 17 months, maybe 30 000 towing.
AnswerID: 467194

Follow Up By: Patrol22 - Sunday, Oct 09, 2011 at 19:47

Sunday, Oct 09, 2011 at 19:47
Wondering why you can't tow in 5th Joel. I would've thought that a quality auto like the cruiser would be OK to tow in Drive with O/D on....especially with the great transmission oil cooler that is fitted to the 4.2td auto. I don't have one but just interested from a techno-nut perspective. Thanks in advance.
FollowupID: 741317

Follow Up By: Member - Joel and Michelle (WA - Sunday, Oct 09, 2011 at 23:49

Sunday, Oct 09, 2011 at 23:49
G'day Patrol22 glad you asked that question, as it got me doing some research, if you read thread 54653,and I'm sure there are many more like it, you will read about how most ODs are not strong enough for towing especially large vans. The section in my manual on towing only discourages it due to lack of engine breaking and electrical charging. There does seem to be a lot of opinions. So come Monday will be ringing Toyota dealer to book in for 140 000km service and a chat about towing in 5th.
FollowupID: 741342

Follow Up By: fisho64 - Monday, Oct 10, 2011 at 01:37

Monday, Oct 10, 2011 at 01:37
the whole OD towing thing is to do with manuals not autos.
However, my 1HDFTE tows better and cooler in 4th than 5th, even at 100kmph. Nothing to do with gearbox failures etc.
FollowupID: 741346

Follow Up By: Patrol22 - Monday, Oct 10, 2011 at 14:08

Monday, Oct 10, 2011 at 14:08
THanks Guys - my Nissan auto will only lock the torque converter in 5th + OD and blowed if I can find anywhere in the handbook or manual to tell me not to tow in that gear. I'm thinking that the Yota auto is every bit as good if not a better box and was just keen to understand the reasoning.
FollowupID: 741370

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