PAV34 Posted May 10, 2006 Share Posted May 10, 2006 So my mate went to the BP servo to fill up. long story short he accidentally pumped about 2 litres of unleaded instead of premium (ultimate). he freaked out and then started to fill the rest until full with premium. will the 2 litres of unleaded affect his car at all? i said it wont but he wont beleive me so i thought i should ask you folks... what do you think?? Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/ Share on other sites More sharing options...
edspaged2 Posted May 10, 2006 Share Posted May 10, 2006 Nope. It would have been diluted when he filled the tank up. Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2155718 Share on other sites More sharing options...
Wink Posted May 10, 2006 Share Posted May 10, 2006 2L is nothing. Get some octane booster in there if he's that paranoid. Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2155755 Share on other sites More sharing options...
sloazr33 Posted May 10, 2006 Share Posted May 10, 2006 2L is nothing.Get some octane booster in there if he's that paranoid. Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2155773 Share on other sites More sharing options...
Links Posted May 10, 2006 Share Posted May 10, 2006 if you put unleaded in.. stay off boost and either a) add octane booster or b) fill up with premium straight away.. the car will be fine.. Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2155791 Share on other sites More sharing options...
PAV34 Posted May 10, 2006 Author Share Posted May 10, 2006 thanks all. that should put his mind at ease. Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2155854 Share on other sites More sharing options...
AgentR31 Posted May 10, 2006 Share Posted May 10, 2006 meh even if you filled up a whole tank just drive off boost and let the knock sensors do their job you wont kill it unless its pinging Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2156001 Share on other sites More sharing options...
Matt G Posted May 10, 2006 Share Posted May 10, 2006 Hey guys probly a stupid question but do all skylines have to run on premium? :| damn thats gona kill my wallet!!! What about 180sx's ?? Cheers Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2156019 Share on other sites More sharing options...
GorGasm Posted May 10, 2006 Share Posted May 10, 2006 Hey guys probly a stupid question but do all skylines have to run on premium? :| damn thats gona kill my wallet!!! What about 180sx's ?? Cheers Yes if you want to drive them. They will detonate with lower octane and higher boost. Its funny that the guy is worried about 2L of low grade in a tank of premium. If the low grade is 91 octane and high is 98 then it works out at about 97.75% octane. Worry? i think not. Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2156045 Share on other sites More sharing options...
kralster Posted May 10, 2006 Share Posted May 10, 2006 You wouldn't believe how many people at my work put permium in their diesels thinking it's diesel. Now thats no good. Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2156410 Share on other sites More sharing options...
Mandingo Posted May 11, 2006 Share Posted May 11, 2006 Hey guys probly a stupid question but do all skylines have to run on premium? :| damn thats gona kill my wallet!!! What about 180sx's ?? Cheers not just all turbo skylines, all turbos. Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2159994 Share on other sites More sharing options...
Wink Posted May 12, 2006 Share Posted May 12, 2006 not just all turbo skylines, all turbos. Turbo diesels? :laughing-smiley-014: Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2160210 Share on other sites More sharing options...
Big Rizza Posted May 13, 2006 Share Posted May 13, 2006 (edited) My understanding is you can take this as a general rule: Any petrol engine with forced induction or high compression ratio (say 10:1 or higher) needs high octane fuel to stop preignition of the fuel, which can potentially damage engine interals. There are a few exceptions - the Honda Jazz runs something like 10.8:1 compression ratio, but still accepts regular unleaded. But as a general rule, it works. Edited May 13, 2006 by Big Rizza Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2164470 Share on other sites More sharing options...
J_Red33 Posted May 13, 2006 Share Posted May 13, 2006 Well there are a few more that are cracking the 10:1 barrier with standard unleaded now. I know the new BF Falcon 6's (not the turbo's though) are running higher than 10:1 not sure about others, but it shows that it's possible with the right engine & tuning. Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2164490 Share on other sites More sharing options...
bombastic Posted May 17, 2006 Share Posted May 17, 2006 The manual I was given for my R33 says "Unleaded fuel with Research Octane Number 91 or higher". Does anyone have a manual that says otherwise? If the manufacturer says 91, then whats the prob? Surely they wouldn't tune them for 98 and then advise running 91... By the way the only thing that's been done to mine is exhaust. Boost is stock. Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2175972 Share on other sites More sharing options...
edspaged2 Posted May 17, 2006 Share Posted May 17, 2006 The manual I was given for my R33 says "Unleaded fuel with Research Octane Number 91 or higher". Does anyone have a manual that says otherwise? If the manufacturer says 91, then whats the prob? Surely they wouldn't tune them for 98 and then advise running 91... By the way the only thing that's been done to mine is exhaust. Boost is stock. from what ive heard, Japan have better fuel? but either way, like Flipmo and GorGasm said, it is better if you run a (newer) turbocharged on a higher octane level. 95 or 98 RON. Just wondering, how much is it for premium at the moment say...... in Sydney? Or Brisbane? Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2176117 Share on other sites More sharing options...
bombastic Posted May 17, 2006 Share Posted May 17, 2006 from what ive heard, Japan have better fuel? but either way, like Flipmo and GorGasm said, it is better if you run a (newer) turbocharged on a higher octane level. 95 or 98 RON. Just wondering, how much is it for premium at the moment say...... in Sydney? Or Brisbane? Yeah I'm just trying to save some money here, if possible... Even running 95 would save a bucks at the pump. 98 is about $1.40-1.50 atm in my area (south Sydney). Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2176143 Share on other sites More sharing options...
julion Posted May 17, 2006 Share Posted May 17, 2006 I have a non turbo 32.. i always use premium but with these fuel prices, Im goin broke.. would regular be fine? what difference would it make? Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2176176 Share on other sites More sharing options...
Grant Posted May 17, 2006 Share Posted May 17, 2006 Bugger all. I wouldn't bother using anything higher than 95ron in a non turbo skyline. Anyone wanna argue with me?. In fact I drive an R32 gts-t, and I only use 95ron the majority of the time. I do live in a cool climate though. During the summer, or when I plan on giving my car a bit of a hard time, I always run 98ron. Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2177474 Share on other sites More sharing options...
jake32 Posted May 18, 2006 Share Posted May 18, 2006 You wouldn't believe how many people at my work put permium in their diesels thinking it's diesel.Now thats no good. i put 15ltr of diesel in a turbo cefiro on the way home from the docks once...what a farkin mess that was ..can still taste it Link to comment https://www.sau.com.au/forums/topic/117247-wrong-petrol-in-skyline-unleaded-instead-of-premium/#findComment-2177909 Share on other sites More sharing options...
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