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help!!!!!!!!!!!!!

Started by 96gs, August 23, 2003, 05:50:17 PM

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96gs

August 23, 2003, 05:50:17 PM
what kind of gas should i use for my 96 gs. we have been puttin 93 octane in because we dont have a manual that says what kind of gas. i also think this might help my bogging at 9,000 rpms. and suggestions and comments would be greatly appreciated.
1996 Suzuki GS500E
Cobra F1R Slip-On Pipe (Polished)
K&N Replacement Air Filter
Gel-Seat
NC F-16 Fairing
LP Footpegs
Progressive Fork Springs
Katana 600 Rear Shock

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JeffD

#1
August 23, 2003, 06:02:43 PM
Just use the lowest grade fuel. (burns easier)  Trust me.  The only reason you would want to go higher is if you increased the compression or that the engine has a million miles on it.   (save your money-go cheaper)
The world does revolve around us, we pick the coordinate system. -engineers

#2
August 23, 2003, 06:20:19 PM
I have my 03' manual here in front of me now I will quote from page 21.

FUEL

Use unleaded gasoline with an octane rating of 91 or higher (research method). Unleaded gasoline can extend spark plug life and exhaust components life.

If pinking (do they mean pinging?) or knocking is experienced, substitute higher octane grade gasoline or another brand, because there are differences between brands.

I use 98 octane fuel, just a habbit from running my turbo starlet... I have read that higher octane does not do much, JeffD can you explain it a little more for me?!

Thanks

Stay Safe  :thumb:

glenn9171

#3
August 23, 2003, 06:32:18 PM
Higher octane just takes a little longer to ignite.  Nothing else.  Use the lowest octane that does not cause pinging or detonation.  High compression engines require high octane fuel.  The GS's 9:1 compression ratio is not high enough to qualify.

If you use an ignition advancer, you will need premium unleaded because fo the advanced timing.

JeffD

#4
August 23, 2003, 08:25:55 PM
are you sure that its the same as 91octane in the US?  Because my vw (german) required 91 ron gasoline which is like 86 Octane US fuel.  But my best guess would be go lower to highest.  Put in the cheapest stuff and see how it runs,  if it runs worse go up one rating.  

BTW just because it costs more doesn't mean its better.  87,89,92 octane gas are basically the same thing but with a little bit more of one chemical that resists ignition.  I mean Aircraft grade fuel is like 110 octane but thats leaded etc.  And racecars usually run 105 octane because they run soooo hot.  

Basically go cheapest then up, not the other way around.
The world does revolve around us, we pick the coordinate system. -engineers

gobstopper

#5
August 23, 2003, 11:59:27 PM
A 91 RON number (used in Europe/Far East) is the same as US 87 (R+M)/2 octane number.

There's Research Octane Number, which is essentially best-case under laboratory conditions, and Mechanical Octane Number, which is essentially a worst-case rating of octane.

Europe uses RON ratings, where the US uses an average of RON and MON for a rating.

87 octane regular unleaded gas should be just fine.
QuoteApathy is the best thing that ever happened to me.
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