EOE

Look in to Prius, it does 40mpg.....


Russell Peters: "Do the right thing, don't be so cheap."

slipstream444

[QUOTE=dsddcd,Mar 23 2008, 10:19 AM] I would not think there would be much difference between the local 87 and 91 here. I have a friend that delivers gas and he said that most of the station put the 87 that won

slipstream444

Yes and no. The point being your car has to start knocking for the sensor to pick it up.
The computer is programmed with the assumption you're running the appropriate fuel. It only pulls the timing back once it senses detonation. That means your car will suffer knock (and possible damage) and THEN, and only then will the computer retard the timing.
This is assuming your knock sensor is working properly.
Additionally, your car will always return to normal timing maps, which means your car will suffer from cycles of periodic detonation until you use the appropriate octane fuel.
Detonation = damage.
You might save $2.50 a tankful by going to 87 octane fuel. How many times will your engine detonate on that tank and how much damage will it do?
You might save $1.50 a tankful by going to 89 octane fuel. But is it really worth the risk?
Cut out a latte or two a week, carpool one or two days a week, drink a few less sodas, go with a 6 inch sub instead of a 12 inch during lunch (the weight savings over time will probably reduce your car's consumption too) etc. etc.. There are so many ways to reduce your overall costs that don't involve running the risk of damaging your car.

Onehots2k

Wow, this should really be framed. I'm not saying the OP is suffering but this is great to use towards those complaining the S is too expensive to fill up. That or buy another car.

shotiable

i did one with my dad's accord (2005). 87 octane vs 91 octane. i dont have solid numbers but i came up with the conclusion that i get better gas milage with the 87 octane.

J'sS2K

The Accord's compression ratio is 9.7:1. It's recommended to use unleaded 87 octane. The S2000 is a completely different engine.

DR. FEINSTONE

I agree with slipstream 444. When I purchased my car in March of 2005 from Hendrick Honda in Woodbridge, Va. The car had 41 miles on the odometer. The dealer put in cheap fuel at the delivery of my car, probably 87 octane. I can tell you that the transmission shift knob and engine are vibrating and making louder noise. The knocking sensor has to overwork to prevent engine damage. After that gas tank near empty I put in 91 octane and all the symptoms above are gone. I did not know at the time of delivery because I thought that is how the s2000 is operate. I know this not a ferrari or anything but you have to pay to play, also go out and buy a good set of tires and forged rims that you are able to afford. Cheap gas and inferior tires just do not go well with the s2000.

harrrrry

The car has a 13.2 gallon tank. It's not that much more to give the car what it needs. Paying the little bit extra for premium can save you possible ill effects later on that could cost you 100x more

1320performancefreak

that is correct. i had a 2001 accord V6 before too, use 91 octane not only reduce HP but also get 30 miles less per tank. but as far as s2k goes i will stick with 91 since its design to use 91 instead of 87.

dalink

Dude, everything you just typed was amazing. Thank you for your effort in making simple/close minded people understand what they seem to have so much problems with. I'm just cheesing right now.