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10-22-2008, 05:36 PM
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#1
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Junior Member
Join Date: Oct 2008
Posts: 4
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Premium Fuel for Supercharged KR?
Hi I was just wondering if anybody knows if the higher octane levels of premium fuel have any benefit to preserving the engine and supercharger. I know it takes regular just fine, just wondering if using the premium will reduce engine knock since its a higher performance engine.
Thanks!
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10-22-2008, 06:47 PM
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#2
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Wow man, the colors
Join Date: May 2008
Location: Orlando,Fl.
Posts: 6,967
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Usually when you have a supercharged engine it's recommended to use premium. Is this a stock supercharger equipped engine? If so, check the owners manual for the recommended fuel type.
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"Fights begin, fingerprints are took, days is lost, bail is made, court dates are ignored, cycle is repeated."
Early Cuyler
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10-22-2008, 07:10 PM
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#3
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Junior Member
Join Date: Oct 2008
Posts: 4
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the supercharger was stock. I dont have the manual as i bought it used.
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10-22-2008, 07:31 PM
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#4
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Wow man, the colors
Join Date: May 2008
Location: Orlando,Fl.
Posts: 6,967
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More than likely high octane is recommended.
__________________
"Fights begin, fingerprints are took, days is lost, bail is made, court dates are ignored, cycle is repeated."
Early Cuyler
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10-22-2008, 10:16 PM
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#5
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Ron Paulitics '08!
Join Date: May 2007
Location: West Palm Beach, FL
Posts: 2,470
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using premium fuel is a necessity in a supercharged application.
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1996 Thunderbird LX - PI motor, SCT tuned. 14.22@98.19mph
2007 2WD Black on Black SCab Lariat - Putco LED Smoked hi mount, Scangauge II, Glock 32, Ruger LCP, Borla SISO exhaust, Volant CAI, VMP Tuned w/Xcal3, Pioneer P3100DVD, q-logic box w/Pioneer 10in Shallow Mount woofer, Dual 580watt amp, and a $20 Hong Kong special backup camera.
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10-22-2008, 11:01 PM
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#6
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Senior Member
Join Date: Sep 2008
Posts: 183
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Octane is a measure of how easy it is to ignite the fuel, the lower the octane the easier it is to ignite.
So, because with higher pressures with boost you see a fuel and air mix more unstable/ready to ignite, so you need the higher octane to try and stop detonation when running boost.
The reason why you truck works without it is because you dont have high enough boost levels see detonation, however I wont say it wont ever happen, the reason you should still use high octane is as a safeguard against detonation, which would be devastating to your engine.
Hopefully that makes sense thats the way it was explained to me.
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10-23-2008, 12:38 AM
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#7
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Good Lord.....
Join Date: Jul 2008
Location: Mesa, Az
Posts: 342
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Quote:
Originally Posted by Weldman0730
Octane is a measure of how easy it is to ignite the fuel, the lower the octane the easier it is to ignite.
So, because with higher pressures with boost you see a fuel and air mix more unstable/ready to ignite, so you need the higher octane to try and stop detonation when running boost.
The reason why you truck works without it is because you dont have high enough boost levels see detonation, however I wont say it wont ever happen, the reason you should still use high octane is as a safeguard against detonation, which would be devastating to your engine.
Hopefully that makes sense thats the way it was explained to me.
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hmmmm, learn something new everyday
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Quote:
Originally Posted by rplatt56
to put it in easy terms --- a POLISHED turd is still a turd.
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10-23-2008, 03:59 PM
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#8
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Junior Member
Join Date: Oct 2008
Posts: 4
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Thanks for the help, with plummetting gas prices buying premium isnt so bad! I'm liking this whole failing economy thing!
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10-23-2008, 07:57 PM
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#9
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Senior Member
Join Date: Sep 2008
Posts: 183
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Yeah I figured you asked cause of that
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10-23-2008, 08:38 PM
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#10
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Senior Member
Join Date: Oct 2008
Location: fl
Posts: 190
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if it doesn't nock, you probably don't realy need it. it depends on your timing/ compression/ peak boost if you realy need it or not. but you might as well if you can afford it, as a precaution.
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01 gmc d-max.
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