Submitted: Tuesday, Apr 05, 2005 at 17:53
ThreadID: 21806 Views:2282 Replies:8 FollowUps:3
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Hi all you happy campers.Can anyone tell me if there is any benefit using Premium unleaded against standard unleaded when towing with my Pathfinder.Bazza
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Reply By: Member - Russell B (SA) - Tuesday, Apr 05, 2005 at 18:17

Tuesday, Apr 05, 2005 at 18:17
Good question, have just started using PULP in my Pajero and "Hope" it will provide more power and longer range as suggested. My Tassie trip starting next week will be the big test, running around the city has proved nothing so far. Excepting $8 extra to fill the tank.

Those who sell it claim its cleaner providing more power thus more kms per litre.

AnswerID: 105294

Reply By: BenSpoon - Tuesday, Apr 05, 2005 at 18:20

Tuesday, Apr 05, 2005 at 18:20
I did it on my 80 and noticed an extra 50km (on average) over standard ULP.

I ran it on ULP for a week, reset the ECU then ran it on 98-octane for a week, and did notice the 50km extra on long runs. In town there was hardly a noticeable difference with either accelleration or economy.
AnswerID: 105295

Reply By: Glenno - Tuesday, Apr 05, 2005 at 18:27

Tuesday, Apr 05, 2005 at 18:27
I heard a story relating to a Corolla that went something like:

As cars are tuned to run on ULP, running them on PULP doesnt imediatly make a difference. You have to run several tanks of PULP through before the EFI computer starts to adjust the engine to get the full potential out of PULP. This cuts down the enine chopping and changing its configuration its more an "over time" process.

I have no idea if that is true and if it is, whether it relates to the Pathfinder.

Made me laugh to also hear that the diesel pumps that pump the oil out of the ground in central australia also run on the oil that they pull out of the ground. Shows a simple diesel engine with wide tollerances will run on pretty much anything (enter chip oil and bio diesel from stage left).


AnswerID: 105296

Follow Up By: muzzimbidgie - Tuesday, Apr 05, 2005 at 19:47

Tuesday, Apr 05, 2005 at 19:47
YES !!!!!

My old man had a bit of experience in the oil industry in the 60's.
There are two oil feilds in Australia where the fuel comes out so pure it needs very little filtration, and can then be put straight into a diesel.
FollowupID: 362439

Reply By: Swine Hunter - Tuesday, Apr 05, 2005 at 18:30

Tuesday, Apr 05, 2005 at 18:30
In most cases unless using a high density fuel there will be no difference other than the cost to fill the tank.

Vortex, Optimax, Synergy 8000 (I think) are all high density fuels, some brands sell Unleaded, Premium Unleaded, and then the high density fuels as above. most though now only sell standard ULP and High Density variants.

I used them in my WRX, 2004 GSX-R1000, and GQ EFI with no difference other than a few km. Hardly worth the extra $12 odd to fill it up.

AnswerID: 105299

Reply By: Sand Man (SA) - Tuesday, Apr 05, 2005 at 18:55

Tuesday, Apr 05, 2005 at 18:55
Tried Shell PULP in the Jackaroo. No difference whatsoever.
(I think this is 92 octane)

Believe BP PULP is 98 octane but I'm not going to bother with a comparison on this as the discount petrol dockets the Bride gets from Coles, are only valid at Shell.

Hardly worth the effort methinks.


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AnswerID: 105303

Follow Up By: DD64 - Tuesday, Apr 05, 2005 at 21:25

Tuesday, Apr 05, 2005 at 21:25
I'm pretty sure the Shell PULP is 96 octane, BP Ultimate is 98 octane & Vortex is 95 octane.
FollowupID: 362448

Follow Up By: DD64 - Tuesday, Apr 05, 2005 at 22:17

Tuesday, Apr 05, 2005 at 22:17
Woops, shell pulp 95
FollowupID: 362456

Reply By: madlee - Tuesday, Apr 05, 2005 at 18:59

Tuesday, Apr 05, 2005 at 18:59
some vehicles are actually suppose to run on premium.check the owners manual to see what octane(ron) is recommended.The higher the octane rating,the further the engine management computor can advance the igntion timing,the more power you get from a set amount of fuel.There are some conflicking stories about improved fuel economy.You will have to trial it yourself.There is one vehicle which will not run on premium,this is AU Falcon XR6,Ford didn't program this model's computor to accept it.With using premium in the pathfinder you should at least get a slight increase in power.I tryed it in my VT commodore and didn't notice enough difference to pay the extra 5-10 cents per litre more for it.All the best.peter
AnswerID: 105304

Reply By: Exploder - Tuesday, Apr 05, 2005 at 19:11

Tuesday, Apr 05, 2005 at 19:11
There should be a small diffrence mainly the engine will run smoother.
Pulp is a slower burning fuel so you get a smooth long burn right the way down the power stroke.It's manly made for higher compression engines like V8's and older leaded engine's and you don't get the full benefits uless the car is tuned for it
It has the benefits of having detergents in it so it will also clean the fuel system and burn cleaner and the computer will make a ajustment so you will use a BIT less fuel and get some extra power out of it.

Werth the extra 6 cents a litre it up to you.
AnswerID: 105308

Reply By: V8Diesel - Tuesday, Apr 05, 2005 at 21:56

Tuesday, Apr 05, 2005 at 21:56
Barrie, I use PULP in my GU religiously. Old girlfriend of mine had a Nissan V6 Maxima which would ONLY run well on PULP, Giant Nissan backed this up when questioned as to pinging, poor running etc. My Kawasaki Z1000 was horrible on LRP or ULP, so I switched to PULP with upper cylinder lube additive, but each vehicle is different I think.

Heading north (WA), I can get BP 98 RON 'Ultimate' in Dalwallinu, Mt Magnet, Meekatharra and Newman. If I don't fill up there, and use the Shell ULP at Auski, my GU runs like utter crap.

Absolutely no question about it, PULP is better. I run my GU, V8 Fairlane, even the lawnmower and chainsaw on it!
AnswerID: 105344

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