98 or 103 octane
Thread Starter
Joined: May 2004
Posts: 15
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From: New Norfolk, Tas, Aus
98 or 103 octane
Gday
My 1994 AUDM Prelude is Powerchipped for 98 octane fuel. The car is supposed to run on 95octane as standard. I have access to 103 octane unleaded (my friend has a few drums, he seems to think its 98 with Nulon Pro Street octane boost or something but it might be legit 103 juice) and was wondering if this would be good to run, or will it shorten the engine life?
Thanx
My 1994 AUDM Prelude is Powerchipped for 98 octane fuel. The car is supposed to run on 95octane as standard. I have access to 103 octane unleaded (my friend has a few drums, he seems to think its 98 with Nulon Pro Street octane boost or something but it might be legit 103 juice) and was wondering if this would be good to run, or will it shorten the engine life?
Thanx
Junior Member
Joined: Aug 2003
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From: BC, Canada
Re: 98 or 103 octane (Mazzazx51)
it wouldn't shorten engine life, but there woudln't be any benefit.
i wouldn't bother, unless you know how old the fuel your friend has is - if it's pretty old the octane number is probably lower anyways, so what's the point?
i wouldn't bother, unless you know how old the fuel your friend has is - if it's pretty old the octane number is probably lower anyways, so what's the point?
Thread Starter
Joined: May 2004
Posts: 15
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From: New Norfolk, Tas, Aus
Re: 98 or 103 octane (Sephro)
I didnt ask if it was going to give me more power, I just wanted to know if it would be ok to run.
I'll stay on the safe side and keep running on the normal 98stuff.
Thanx 4 the help!
I'll stay on the safe side and keep running on the normal 98stuff.
Thanx 4 the help!
Honda-Tech Member
Joined: Apr 2004
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From: NY
Re: 98 or 103 octane (Mazzazx51)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Sephro »</TD></TR><TR><TD CLASS="quote">Do you understand what the octane rating is?
Higher octane gas isn't going to give you more power alone... </TD></TR></TABLE>
He's right running higher octane is absolutely a waste. Your going to get like no gains from it, and basically the gas station you buy that gas from is owning you. Octane required is a function of your engines compression. Unless your 12:1 or something your just wasting money.
Higher octane gas isn't going to give you more power alone... </TD></TR></TABLE>
He's right running higher octane is absolutely a waste. Your going to get like no gains from it, and basically the gas station you buy that gas from is owning you. Octane required is a function of your engines compression. Unless your 12:1 or something your just wasting money.
Thread Starter
Joined: May 2004
Posts: 15
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From: New Norfolk, Tas, Aus
Re: 98 or 103 octane (94Vtecluder)
Ive had it dynoed (a long while ago) with both 95 and 98 octane and the 98 is slightly better. 95 is about $1.06 and 98 $1.13 so theres bugger all diff. (I get a 6c/L discount aswell 
) So the station isnt owning me that bad, also the chip is optimised for the 98 so I pay the tiny bit extra for the tiny bit of extra performance.
Prob not worth getting the 98 chip over the 95 but who cares, its done now.
BTW: My mate tried the fuel in his commodore and it runs BAAAAD, there is now a heap of scunge in his tank and all the probs that go with it.... Good thing I stayed clear, Thanx for saving my ***
) So the station isnt owning me that bad, also the chip is optimised for the 98 so I pay the tiny bit extra for the tiny bit of extra performance.Prob not worth getting the 98 chip over the 95 but who cares, its done now.
BTW: My mate tried the fuel in his commodore and it runs BAAAAD, there is now a heap of scunge in his tank and all the probs that go with it.... Good thing I stayed clear, Thanx for saving my ***
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