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Shell V-power Is Back!

R33Turbo

By R33Turbo,
in New South Wales

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R33Turbo Proficient

R33Turbo

Posted
Posted

V-power & V-power racing is back! And isn't as expensive as BP Ultimate which is a good thing for me cuz i go coles for shopping as well which gives me those receipts for d/c :)

By the way is it effective putting in v-power racing into our skylines as imports are tuned for 100RON unleaded from factory? Or does v-power racing require separate tuning?

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https://www.sau.com.au/forums/topic/219377-shell-v-power-is-back/
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Primordial Grand Master

Primordial

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Posted

Running on 100ron will decrease your chance of detonation. If your car has been tuned properly on 100 then you may get a marginal increase in power and mileage. You dont NEED to have your car tuned to run 100, its just that its probably not worth the extra money unless your car's been tuned to take advantage of it.

Be warned though, if you tune your car on 100ron it'll be less happy when you inevitably have to put 98 in it! :banana:

Thats just my "2c"... Haha... get it? Ok that was a shit joke... :)

HuH Community Regular

HuH

Posted
Posted

The advice I was given reagrding 98RON fuels, was that V-Power is actually one of the lowest quality ones available. BP's Ultimate, Caltex's Vortex 98 and even the Mobil 8000 were all ranked better by my previous mecahnic?

I say previous because he doesn't service the Skyline, only my Mini Cooper (which is now sold). He was referring specifically to using the fuel in the Mini, but that shouldn't really impact on his opinion of the fuel in general. He's someone who's opinion I hold in quite high regard and I do trust, but it does conflict with what I've heard other people saying?

Anyone got any input on this?

R33Turbo Proficient

R33Turbo

Posted
  • Author
Posted

Well the only backup ive got for V-power fuel are my air-fuel ratio on from dyno.

The air-fuel ratio was REAL GOOD using V-power fuel. but then again most effective way is for a power fc to detect the level of knocks on different fuels i think?

Clappa Grand Master

Clappa

Posted
Posted

I was actually surprised with the fuel price last night. Mobil in Epping was selling Unleaded for 1.37L..Cheap. I still went to pennant hills though and put V Power in my SS. For some reason, it justs likes V Power better.

Either way, V Power is back..Woo hoo...

Primordial Grand Master

Primordial

Posted
Posted
V power is the second highest rated performance fuel, I dont think you mechanic is on the right page!!

Caltex is number one, 1KW ahead.

Good im glad v power is back, caltex just flows through my tank too easily

How can you rate fuel in kw's? :thumbsup:

SL33KY Community Regular

SL33KY

Posted
Posted

So... Which is better performance/fuel pump wise? V-Power or V-Power Racing?

A while ago I was hearing a few stories of people using the V-Power Racing and it was screwing with their fuel pump, can anyone verify this? I use the BP Ultimate...

I just want what's best for my baby :D lol

Primordial Grand Master

Primordial

Posted
Posted

Higher octane fuel is denser than regular fuel, so if your fuel pump almost dead anyway then it might make it struggle to the point that it dies completely. Othewise the high octane fuel/fuel pump thing is bollocks.

Also being higher density means that the car runs richer. If your car is running rich to start with then it may not be beneficial at all to make the car run more rich. As i said before, if you're car is tuned for 100 ron then it takes advantage of the lower chance of detonation and allows you to run a more aggressive tune = more power.

At the end of the day, its only 2 ron points so its not going to be a huge difference anyway!

djr81 Grand Master

djr81

Posted
Posted
Higher octane fuel is denser than regular fuel, so if your fuel pump almost dead anyway then it might make it struggle to the point that it dies completely. Othewise the high octane fuel/fuel pump thing is bollocks.

Also being higher density means that the car runs richer. If your car is running rich to start with then it may not be beneficial at all to make the car run more rich. As i said before, if you're car is tuned for 100 ron then it takes advantage of the lower chance of detonation and allows you to run a more aggressive tune = more power.

At the end of the day, its only 2 ron points so its not going to be a huge difference anyway!

E10 is typically 3% less dense than 91 Octane ULP but has a higher octane rating. It is a similar situation for V-Power (98) and the 5% ethanol blended V-Power racing (100 octane).

Primordial Grand Master

Primordial

Posted
Posted

Yeah you're right, ethanol lowers the energy density of the fuel. I forgot 100ron is 2% ethanol. Higher octane petroleum is higher in density than its lower octane counterpart though.

Here's some interesting results on the potential power gain by using 100ron: http://www.racefuels.com.au/dynoDetail.asp?ID=59

It looks like about 3.5% peak power gain, and 4.8% peak torque gain between 98RON and 100RON Shell fuel... Keep in mind that they advanced the tuning by 2 degrees and leaned the AF ratio to take advantage of the better fuel so I wouldnt be expecting to get anything near these results without tuning or at least a car with active knock sensors.

djr81 Grand Master

djr81

Posted
Posted
Yeah you're right, ethanol lowers the energy density of the fuel. I forgot 100ron is 2% ethanol. Higher octane petroleum is higher in density than its lower octane counterpart though.

Here's some interesting results on the potential power gain by using 100ron: http://www.racefuels.com.au/dynoDetail.asp?ID=59

It looks like about 3.5% peak power gain, and 4.8% peak torque gain between 98RON and 100RON Shell fuel... Keep in mind that they advanced the tuning by 2 degrees and leaned the AF ratio to take advantage of the better fuel so I wouldnt be expecting to get anything near these results without tuning or at least a car with active knock sensors.

Yeah people get trapped and stooged to a degree.

Trapped because fuel is added to the engine in volume not by weight. So a less dense fuel can will give you a higher AFR. Add oxygen in the fuel & you can get yourself in trouble. Wonderful thing if tuned properly, however.

Stooged because you buy fuel by the litre not the kg. So your less fuel efficient E10 (measured in km/litre) costs more than it should.

T04GTR Grand Master

T04GTR

Posted
Posted
V power is the second highest rated performance fuel, I dont think you mechanic is on the right page!!

Caltex is number one, 1KW ahead.

Good im glad v power is back, caltex just flows through my tank too easily

wow a whole 0.5% improvement lol........

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