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Unleaded Petrol In Skyline

michadoo
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michadoo Collaborator

michadoo

Posted
Posted

ok i have been having an argument with someone about not being able to put normal unleaded fuel in my 33 instead of premium.

i dont really have anything to back up my argument but heard that putting straight unleaded instead of premium can be harmful to the car.

can someone who is a little more educated in this please help me out with why i cant put normal unleaded in instead of premium and if i do what will happen.

thanks!

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https://www.sau.com.au/forums/topic/137668-unleaded-petrol-in-skyline/
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lanky71 Veteran

lanky71

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Posted

I think after a while it would as it won't burn as clean as premium.

When I first got my R34 GT-T I put in Premium Unleaded 95 octane and it ran ok, but then the next time I put in 98 octane and it ran alot better. More fuel economical (I do mainly hwy driving) and started better as well as sounded alot cleaner.

My label actually specifies at least 97 octane. Would imagine R33 would be the same?

Drew.

foznice Veteran

foznice

Posted
Posted

I put 91 in today, because there I was in the middle of nowhere, and had no choice... didn't ping on full boost..

still it dosn't pull very hard.. infact, it's really crap. Even if you can get away with using it, don't. If you can't afford permium, then buy premium anyways....

michadoo Collaborator

michadoo

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Posted (edited)

thanks guys...

yea nah thats what i thought..i wouldnt put unleaded in it anyways not worth it.

my dad has a fuel card for work n has been offering me to fill up my tank but it will only use unleaded.. after extensivly telling him i cant put unleaded in it he wont listen.. just needed some other opinions on it so he can shut the fk up about it

he was a mechanic like a million years ago..hasnt been in the game for at least 10 years but still thinks he knows it all..he knows nothin about skylines but thinks they are just like ur average holden blah blah blah he rekons wont kill it if i put in a tank of unleaded then put premium in after it.

just needed some advice from people that actually know what they are talkin about to shove in his face so he gets the picture

thanks again :D

Edited by michadoo
Kinks Grand Master

Kinks

Posted
Posted

Nissan's anti-knock measures will be as good as you'll find I'm sure - I once put 96 RON in my R31 as that was all I could get and it had stuff all power. Didn't hear it ping at all though.

It can be done but it's not nice to your motor. The ECU will retard the ignition timing like crazy to prevent pinging.

If you're running higher boost it's a different story. The ECU only has so much adjustment it can make and if you push it outside that range by increasing power then it might ping regardless. Plus extra boost, that's when you damage things.

Personally I think anyone who puts less than 98 RON in a skyline doesn't deserve to own one!

$weetDreamZ Enthusiast

$weetDreamZ

Posted
Posted

You don't have to hear the pinging sound for pinging to have already occurred, so you could be causing damage to the engine without knowing it.

Definitely agree that it's a good idea to carry some of that octane booster for when you're out in the middle of know where with only regular unleaded.

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