pajero diesel or petrol

Submitted: Sunday, May 10, 2009 at 13:17
ThreadID: 68695 Views:7116 Replies:4 FollowUps:4
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hi all, i would like to here from some people who have had a 3.5 petrol and then changed to a 3.2 diesel used for towing . i ask this as i have a nm exceed 3.5 , it has extractors , unichip and runs on injected gas . i do not find it lacking in power but the price of gas and availability when travelling is a bit of a concern . i tow a 21.5 foot van in which loaded would come to about 2.3t. i currently use about 25 ltrs of gas per 100klm which is on par with a diesel price wise at the moment . do the diesel pull hard ? or just a bit more than the standard 3.5?
cheers
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Reply By: Member - Scoof (SA) - Sunday, May 10, 2009 at 13:44

Sunday, May 10, 2009 at 13:44
Hi Zacc.

I had a NM petrol and a friend had a about a year or to newer Pajero diesel .
We all travelled together on a trip to Old Andado and across the Simpson, all towing camper trailers.
Every time we filled up at a fuel stop It cost me in the NM petrol $20 to $30 more to fill up.

When we finished the trip I bought a NP DiD and have been very happy with it, we have been on a couple other trips since, like the from SA to Karumba , SA to Adele's Grove and our fuel $'s were almost the same every time.
When towing I don't think the power difference is that noticeable.

Hope this all make sense.

Cheers Scoof. :-)
AnswerID: 364154

Follow Up By: zacc - Sunday, May 10, 2009 at 18:24

Sunday, May 10, 2009 at 18:24
thanks scoof , when you say the power difference was not that noticeable was that between the petrol and diesel or your mates diese?
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FollowupID: 631880

Follow Up By: Member - Scoof (SA) - Sunday, May 10, 2009 at 21:03

Sunday, May 10, 2009 at 21:03
Zacc I thought the petrol had a bit more power when you say want to pass another vehicle when towing but only slightly.

But now the current DiD has more KW than the NP.I think my NP has 121KW I think the new DiD is 145KW something like that.
I recon the DiD would be perfect to tow your van.

Cheers Scoof. :-)
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FollowupID: 631898

Reply By: revkev - Sunday, May 10, 2009 at 15:41

Sunday, May 10, 2009 at 15:41
hi zacc,
i have got a 2005 platinum auto dieael fitted with a dp chip
on our last trip away,towing a 21ft van i got on avg 15 ltr,s per 100 klms,around town without van 10ltrs per 100klms.
plenty of power.
revkev.
AnswerID: 364160

Reply By: Blaze (Berri) - Sunday, May 10, 2009 at 17:08

Sunday, May 10, 2009 at 17:08
Hi Zacc,

As others have said, and you already know, the diesel will use less fuel of course, but as you have already said it breaks about even with costs in fuel running LPG. Your savings will be in services etc diesel versus petrol, more oil dearer filters etc.

Diesel with pull harder down low on turbo, but until turbo is working your petrol will out pull it. So from a standing start the auto works harder on the diesel, I'm guessing you are talking Auto as they seem to be more common tow rig now.

Hope this adds some light.
AnswerID: 364169

Reply By: BenDiD - Sunday, May 10, 2009 at 18:19

Sunday, May 10, 2009 at 18:19
Hi Zacc,

I have a NS DiD and it has a ton of grunt. I had a NP petrol which would accelerate a little faster from a standing start and while on the move. BUT the diesel has more than enough power for anything I have ever wanted it to do, don't think its under powered just because the petrol has a bit more power.

I think a NM, NP, NS or NT DiD will all pull harder than a NM, NP OR NS petrol, ie they will seem to pull with less effort at lower revs.

I would have thought that the changeover costs of going from your NM petrol to a NP diesel would cost more than any savings you expect to get n fuel. If you were changing vehicles anyway then sure get the diesel.

Also try the the Vic Paj club website - I am sure this topic has been posted a lot.

Hope this helps.

cheers

Ben
AnswerID: 364185

Follow Up By: Member - Don M (NSW) - Monday, May 11, 2009 at 08:11

Monday, May 11, 2009 at 08:11
None of the comments seem to mention torque...??? This is far more important when towing, especially low down in the rev range.

Just looked at the latest website from Mitsubishi Aus. and these are the figures

3.8l petrol: 175/184kw@6000rpm
329Nm@2750rpm

3.2l diesel: 147kw@3800rpm.
441Nm@2000rpm

Thos diesel figures are pretty damn impressive and I suspect, fairly un-stressed. Further, I would thnk, at the normal driving revs...around 2000rpm, the diesel would totally out perform the petrol. And I bet at 3800rpm where the diesel makes 147kw, the petrol would be well below that. When you are driving..or accelerating, how many times do you actually rev over 4000rpm anyway..???

And by the way, as a LC200 TTD owner, I am very impressed overall with the Pajero...the interior leaves my mine for dead....
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FollowupID: 631936

Follow Up By: Member - Oldplodder (QLD) - Monday, May 11, 2009 at 08:27

Monday, May 11, 2009 at 08:27
Don,

I think petrol people going diesel feel a lack of power taking off the line until the diesel turbo winds up at 1500/1800 rpm. Petrol has more torque from idle to 1500 rpm, then as you say, the diesel has more torque and most probably more horsepower (horsepower = torque x revs) until the diesel reaches about 3500 rpm, then the petrol would be getting on the cam and going to it's 175kw @ 6000 rpm, way beyond the diesels max revs.

Still wonder why Mitsubishi have not gone to a six speed box behind the diesel. Lower first gear of the line, and a higher cruising 6th gear to use the torque and low revs of the diesel at 100 to 110km/hr.
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FollowupID: 631939

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