What? Are you nuts? See if your car likes 92+ octane first. Otherwise, invest in a turbo kit and then ask again.
Save your money. GOSH!....quit experimenting, didn't you learn your lesson yet? gonna lose lots of $$.....Pay off your car first then ask again
20HP? you kidding me? Unless you have done something to your timing to allow it to use the 100 octane, I think the only affect will be placebo. -Jordan
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">Originally posted by jprice the only affect will be placebo.<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">
First off the only 110 I have seen in the city is leaded. That will kill your cats. Then you will loose 20 hp. Save your money
yea the whole point of running race gas is so can run more advanced timing, maybe a little leaner AFR's as well and more boost on turbo cars. it would be totally pointless on a completely stock NA car. Ben
Fuji, there is 2 things that will happen when you run race gas. First, you will plug your cats ands o2 sensors. The 76 on century is 110 leaded. Second, you will get the race gas smell out your exhaust (thats probably why you are doing it anyways). STAY AWAY FOR THE RACE GAS. You will loose power because the race gas is harder to light off. For you, run 87. You make more power when the air/fuel combo is ready to expode almost on its own. Like stated above, race gas would work for you if you had some way of adjusting your timing or if you were boosted. You can buy me some race gas if you want. Russ
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">Originally posted by subi_2.5rs so does that appply to all kinds of car? <hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote"> Regarding high octane fuels? Basically, yes. There are a LOT of myths out there about fuels. Higher octane rating means the fuel has a higher flashpoint. Compression causes heat so forced induction cars with lots of pressure in the cylinders will develop hotspots that could light lower octane fuels before spark: predetonation, or pinging. Using higher octane fuels in a vehicle that does not require it can actually be bad in that you aren't getting enough spark to burn all the fuel in the cylinder at that compression so you'll run seemingly rich and actually lose power because of this. Run as low an octane as you can as that lower flashpoint fuel will let you get a complete burn. If you get pinging with that fuel then go up a grade. However if you're getting pinging on 92 or better on a stock engine that requires 87 then that's an indicator of a greater problem I'd think. Another fuel myth is that regarding jet fuel. Jet fuel is highly refined kerosene; a different grade of diesel basically. It is not highly explosive or super octane race fuel for cars as many seem to think. It does have a higher flashpoint than regular gas thus it's less volatile than the gas you put in your car.
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">Originally posted by RallyNavvie Compression causes heat so forced induction cars with lots of pressure in the cylinders will develop hotspots that could light lower octane fuels before spark: predetonation, or pinging.<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote"> The ignition of the mixture before the firing of the spark plug is called pre-ignition, not pre-detonation. Pre-ignition is vastly more harmful to an engine than detonation, because it is most likely to occur at BDC, and then you have the piston pushing against a hot, expanding, combusting air/fuel mixture during the entire compression stroke. This is what burns holes in pistons. Detonation is when the remaining gas in the cylinder AFTER the spark plug fires ignites from heat and pressure. The explosions resonate at that characteristic frequency that the sensor recognizes as knock, and the big pressure spikes are the pings.
Joel, how come you're very knowledgeable about cars on MNSubaru, but on MNsportcompacts, you're a nut that talks about women? LOL! Just playin'.
Sorry Fuji, I don't want ot slam ya, but you don't need it. All it will do is cost you more money out of your pocket. If you boost your car, or can do some iginition timing mods, than look into it. Russ
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">Originally posted by Zola <blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">Originally posted by RallyNavvie Compression causes heat so forced induction cars with lots of pressure in the cylinders will develop hotspots that could light lower octane fuels before spark: predetonation, or pinging.<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote"> The ignition of the mixture before the firing of the spark plug is called pre-ignition, not pre-detonation. Pre-ignition is vastly more harmful to an engine than detonation, because it is most likely to occur at BDC, and then you have the piston pushing against a hot, expanding, combusting air/fuel mixture during the entire compression stroke. This is what burns holes in pistons. Detonation is when the remaining gas in the cylinder AFTER the spark plug fires ignites from heat and pressure. The explosions resonate at that characteristic frequency that the sensor recognizes as knock, and the big pressure spikes are the pings. <hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote"> Yes, that You should listen to some of the noises my car makes on a hot day [xx(]
