RB30 Engine 3.0L GQ Patrol

Submitted: Wednesday, May 21, 2003 at 14:10
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Anybody out there have any info on the Kw or Nm torque output of this engine? I have a 1990 GQ Patrol and do a lot of towing with it. Thinking of changing vehicles and would like to be able to compare respective outputs and may even downgrade in size to say a Pajero or the like. has been a fabulously reliable vehicle and has taken me to many remote locations aroun Oz.

John
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Reply By: Member - Sam (NSW) - Wednesday, May 21, 2003 at 16:00

Wednesday, May 21, 2003 at 16:00
John

check out www.redbook.com.au

do a search through used vehicles for your GQ then you can do a comparison on one or two other vehicles. It lists all the specs in a table. However, not every vehicle has all the information you might be after. But its certainly a starting point.

cheers,
Sam.
AnswerID: 20684

Follow Up By: Member - John- Wednesday, May 21, 2003 at 20:27

Wednesday, May 21, 2003 at 20:27
Sam,
Thankd for info. Will try the redbook site.

John
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Reply By: tristjo - Wednesday, May 21, 2003 at 16:15

Wednesday, May 21, 2003 at 16:15
Hi John,

My brother has an RB30 Patrol. I think it does around 100kw, But I am not sure about the tourqe figure, but wouldn't imagine it would be over, say, 300nm tops. Not a bad motor, people seem to tell you all the "don't put little engine in big truck" stories, but so far, my brother has found it to be very reliable, and it has met most of his needs. Like's to rev, and therfore drinks a bit, but that could be solved by keeping her under 3 grand. Although, he regularly manages 16ltr/100km with a combination of city and mild h'way. Lowest he has had was 11ltr/100km from Brizzy to Dalby, which i think is pretty good.

If you are looking at doing alot of towing and want to change vehicles, I wouldn't suggest going smaller. Not only can you get motors better suited to towing in the big trucks, you also get the stability factor, because of their sheer size and weight.
Therfore, in my oppinion, something like a GQ TD42 diesel might be a good vehicle to look at. They are an extremely well proven offroad and towing vehicle, as well as being one of the most reliable 4x4's I have ever seen or heard of. You could be looking at a early to mid 90's truck, with 150-200k on it, in good nik, for well under 20 grand. If you have the money, and are looking new, both the Nissan turbo diesels are good motors, but the 3ltr seems to be extremely well priced, and I am guessing that's why something like 75% of new Patrol sales are the 3ltr. The new intercooled, 4.2ltr turbo diesel Patrol still seems to me to be the more rugged and reliable of the two diesels, having no computer controlled devices, but it is slightly more expensive.

Why have I only suggested Nissans. Because I have never had a bad experience with them, and have heard extremely few complaints about them, and overall, they are so much better value for money. And John, mate, when you find something good, you just stick to it!!

Tristjo.
AnswerID: 20688

Follow Up By: Member - John- Wednesday, May 21, 2003 at 20:25

Wednesday, May 21, 2003 at 20:25
Hi Tristjo!
I have been so pleased with the reliability of the Patrol - and the motor you can't kill, but it slugs it out on hills with my 1700 kg van hanging on behind. Mechanics I've spoken to reckon theyv'e seen them do 400k's plus and still going strong. Does about 20 - 22l/100km's towing and around 15.5 on trip without van. S-in-L has the 3.0l TD and it flies even with a heavy off road trailer in tow. Dollars are beyond me. .

The idea of a GQ 42TD sounds like the go but I can't seem to find one. Thanks for you input.
John
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Reply By: diamond(bendigo) - Wednesday, May 21, 2003 at 18:13

Wednesday, May 21, 2003 at 18:13
gday john.
i have a 3ltr gq.
they come out with 100kw and not sure about newton metres.
i swear bye mine.no major probs(well a motor)$250
we do a lot of towing and it is a little under powered on big hills.(down to 90ks)
but theres 5 of us and an absalutely huge load.
not towing i dont have any power problems.
everything except motor/gearbox is standard patrol so bullet proof.
a friend of mine has a 2yr old 3lt hilux and is selling it before he loses to much money on it.and was surprised by my gq and is looking for a 3ltr as we speak.
being a 3ltr they seem to be a lot cheaper.i paid $7000 2 yrs ago.
another thing is the 3ltr might not have been in the bush ect as much because some people might not think them tough enough.
mine is duel fuel and uses 22ltr per 100ks but thata towing/cruising/highway dosnt seem to change much.looking foward to september(landcruiser park/fraser island)
AnswerID: 20697

Follow Up By: Member - John- Wednesday, May 21, 2003 at 20:30

Wednesday, May 21, 2003 at 20:30
diamond(bendigo)
Keep this up and I won't want to part with "bluey". She sure is a good vehicle.

John
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Reply By: Member - Nigel - Wednesday, May 21, 2003 at 20:21

Wednesday, May 21, 2003 at 20:21
Don't know the figures, but my 95 model GQ RB30 has done 270,000 km and still going strong.

In fact goes better now than when I bought it 5 years ago, as I only discovered last year that the vacuum advance hadn't working since I bought it.

Apart from to/from work, ours generally tows a heavy camper (1.2 tonne) and copes ok - although gotta use the gears on hills. On the flat it has heaps of power.

As it's showing no signs of age I'll be keeping it for a while yet, then eventually an engine swap if the body's still ok - too much customisation to change vehicle now :)
AnswerID: 20714

Follow Up By: Member - John- Wednesday, May 21, 2003 at 20:45

Wednesday, May 21, 2003 at 20:45
Nigel
Almost up to the 270000Km's and mine still going strong but seems to have lost its get up and go on the level with the van on. Headwinds give it hell. You hasve sown a seed with the vacuum advance so i'll get mine checked to see it hasn't fallen over. Could be a part of my problem.

John
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FollowupID: 13310

Follow Up By: diamond(bendigo) - Wednesday, May 21, 2003 at 21:20

Wednesday, May 21, 2003 at 21:20
another problem ive come accros is vacume secondaries not workinglooking foward to september(landcruiser park/fraser island)
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Follow Up By: Member - Nigel - Wednesday, May 21, 2003 at 23:13

Wednesday, May 21, 2003 at 23:13
Get the rest of the dizzy checked too - mine was ok, but the mechanic said they can wear out at that age.

I also have extractors, 2.5" exhaust and always use Premium - it's tuned for PULP, so when I can't get it I use a bottle of octane booster to stop it pinging.

Mine has plenty of go on the flat - even into the wind (although headwinds chew fuel), but it's hills still remind me it's only a 3 litre afterall.
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FollowupID: 13319

Follow Up By: diamond(bendigo) - Thursday, May 22, 2003 at 08:46

Thursday, May 22, 2003 at 08:46
thats right i forgot .
theres a $5 spring for the advance that break.
i had to redo my old one at halls gap one day.looking foward to september(landcruiser park/fraser island)
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Reply By: kezza - Wednesday, May 21, 2003 at 21:29

Wednesday, May 21, 2003 at 21:29
With extractors and premium fuel and use the revs when you need them they are more favourable than the 4.2 lit petrol in every area but low down grunt.

My 3 lit will drag a v6 prado at the lights every time (have a frustrated friend with a prado cant work out why Im so quick - havnt mentioned the 3 lits redline is a vague area over 6,000 revs
kezza
AnswerID: 20721

Follow Up By: Member - John- Wednesday, May 21, 2003 at 21:55

Wednesday, May 21, 2003 at 21:55
Kezza

I had extractors fitted when I first bought it with a claim of up to 15% better economy. This didn't happen. Will have to try the old girl on Premium but at it's current consumption would mean it's even dearer to run when I tow.

All you guys who have kindly answered me have got me thinking I'm on a good thing so maybe I should stick with it.

John
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FollowupID: 13317

Follow Up By: Member - Nigel - Wednesday, May 21, 2003 at 23:22

Wednesday, May 21, 2003 at 23:22
Premium should improve your economy if you get the timing and carby tuned for it.

Towing the Campomatic in mine down the QLD coast last year I got between 14 - 16/litres per 100km. But I was driving economically (something I don't usually do :)

Of course a caravan has more surface area, so a headwind would affect you more than me with the campomatic.

I guess your not from FNQ, but just incase you are go and see Peter at Jap Motor Centre - he's brilliant with the RB30.
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