Ok I'v gone to the track 2 times before, first time was a measily 15.18 @ 93
2nd time was 14.87 @ 96 with intake and exhaust.
3rd time however was 14.59 @ 98!!! This was acheived with intake, NEW exhaust, ingalls etd, b&m shifter, pretty much gutted interior and, 101 octane. All in a nice comfortable 103 degree temp! I don't know why my runs were so much faster tonight, here are my 3 fastest runs of the night.

1st
60' - 2.311
330 - 6.312
1/8 - 9.513
MPH - 76.60
1000 - .000 (not working in left lane)
1/4 - 14.596
MPH - 98.01

2nd
60' - 2.382
330 - 6.402
1/8 - 9.595
MPH - 76.31
1000 - 12.370
1/4 - 14.687
MPH - 98.28

3rd
60' - 2.476
330 - 6.620
1/8 - 9.837
MPH - 76.46
1000 - .000
1/4 - 14.913
MPH - 98.35

Are these pretty good for my mods and 103 degrees?

 

That's not bad at all, stock SS/SC usually run 14.5 with decent driver's. Get the 60 FT time lower and it will get much better, keep at it bro

 

It's a dry heat
Where did you go Firebird or speedworld?

Good times for the hot weather.

 

Firebird. I was the third car down the track that night, it accually held the tires, the second run I spun just a little, and the third run and every run after that I spun half way through first and part of second that track SUCKS after 15 runs!

 

If the track was better, and it was like 70-75 out, that would have easily been a 14.2 or 14.3

 

And it was humid, well about 30-40%.

 

It was overcast all day which helps hold in the heat and raises the humidity. Not the best racing conditions by any means.

 

I can't wait til september! WHY DOES IT HAVE TO BE SO HOT!!! Oh thats right, we live in a place with no rain, no water, and a sun that burns hotter than anywhere else!

 

why are you running 101 octane? that's a waste of money, and is probably hurting your times...

 

10-4 on the 101 ocatne just run 93 octane in her.

Try and shot for a 2.1 60 ft. It can be done it took me about 3 times at the track with about 25 runs all together. Hell I got the narrow tires as well.

 

In a reg. Cobalt yes, but not ss/sc it helps believe me

 

HELL YEAH IT DOES! I'm not gonnaa get in a debate about octane. My old best run was 14.87, the night I ran that I was getting like 15.10, 15.05 stuff like that at 95 mph. Went over to the vendor bought 5 gallons of 104 unleaded threw it in my tank went out and blasted off a 14.87 and it was at 96.5 mph, 1.5 mph faster, only extra power brings more mph. Theres your proof, don't beleive it too bad.

 

has nothing to do with it... octane does NOT equal hp

 

Then please explain my 1.5 mph increase. It was only about 10 minutes to put the gas in so its not weather or something like that.

 

that's just what happened... had absolutely nothing to do with the gas... you are supposed to use the lowest octane that doesn't produce engine knock... using anything more is a total waste... i guarantee if you used regular ole gas that run, you would have knocked another tenth off...

to put it simply, octane dicates how a fuel burns... nothing else... so if you're not using the right octane, it's not igniting at the appropriate time in your engine, which in turn results in a loss of performance

 

I don't know if you knew this but I'v found that if you put higher octane gas in it, then disconnect the battery, you REALLY notice a difference, then when the gas is gone and I put 91 back in it knocks a little for a few minutes.

 

r u F*@%ing kiding me!

 

The SRT4 stg3 puts down 315 hp on pump gas, then 360hp on 100 octane.

 

Yes he is, he doesn't relize the cars will change the timing to better suit the octane coming in. So it will advance the timing a couple degrees to better burn the 101 octane.

 

ricer logic at it's best... haha... by all means, keep wasting your money if you like to...


most people associate octane incorrectly with horesepower because higher hp cars use higher octane... do you want to know why? because that's what runs them best... they don't use higher octane gas then theyre supposed to, they use what works...

 

found this online for ya:

The Low-Down on High Octane Gasoline

Are you tempted to buy a high-octane gasoline for your car because you want to improve its performance? If so, take note: the recommended gasoline for most cars is regular octane. In fact, in most cases, using a higher octane gasoline than your owner’s manual recommends offers absolutely no benefit. It won’t make your car perform better, go faster, get better mileage or run cleaner. Your best bet: listen to your owner’s manual.

The only time you might need to switch to a higher octane level is if your car engine knocks when you use the recommended fuel. This happens to a small percentage of cars.

Unless your engine is knocking, buying higher octane gasoline is a waste of money, too.

What Are Octane Ratings?

Octane ratings measure a gasoline’s ability to resist engine knock, a rattling or pinging sound that results from premature ignition of the compressed fuel-air mixture in one or more cylinders. Most gas stations offer three octane grades: regular, usually 87 octane, mid-grade, usually 89 octane and premium, usually 92 or 93. The ratings must be posted on bright yellow stickers on each gasoline pump.

What’s The Right Octane Level For Your Car?

Check your owner’s manual to determine the right octane level for your car. Regular octane is recommended for most cars. However, some cars with high compression engines, like sports cars and certain luxury cars, need mid-grade or premium gasoline to prevent knock.


How Can You Tell If You’re Using The Right Octane Level?

Listen to your car’s engine. If it doesn’t knock when you use the recommended octane, you’re using the right grade of gasoline.

Will Higher Octane Gasoline Clean Your Engine Better?

As a rule, high-octane gasoline does not outperform regular octane in preventing engine deposits from forming, in removing them, or in cleaning your car’s engine. In fact, the U.S. Environmental Protection Agency requires that all octane grades of all brands of gasoline contain engine cleaning detergent additives to protect against the build-up of harmful levels of engine deposits during the expected life of your car.

Should You Ever Switch To A Higher Octane Gasoline?

A few car engines may knock or ping — even if you use the recommended octane. If this happens, try switching to the next highest octane grade. In many cases, switching to the mid-grade or premium-grade gasoline will eliminate the knock. If the knocking or pinging continues after one or two fill-ups, you may need a tune-up or some other repair. After that work is done, go back to the lowest octane grade at which your engine runs without knocking.

Is Knocking Harmful?

Occasional light knocking or pinging won’t harm your engine, and doesn’t indicate a need for higher octane. But don’t ignore severe knocking. A heavy or persistent knock can lead to engine damage.

Is All "Premium" Or "Regular" Gasoline The Same?

The octane rating of gasoline marked "premium" or "regular" is not consistent across the country. One state may require a minimum octane rating of 92 for all premium gasoline, while another may allow 90 octane to be called premium. To make sure you know what you’re buying, check the octane rating on the yellow sticker on the gas pump instead of relying on the name "premium" or "regular."

 

hope this helps clear up the ricer myth that higher octane = higher hp

 

We cant get 93 here in az, but we can get 101. Obviously it was closer to the right octane then 91 was in this heat. I can garuntee you that the higher octane is needed in the heat. Hot intake charges are less dence and hotter contributing to more detonation. Detonation is picked up by the knock sensor sending a signal to the ecu. The ecu translates this signal and reduces the timing advance to control the cause of the knocking. Retarding the timing is to save the motor to beable to be used again, but one bad thing from retarding the timing the engine will have a loss of power. The higher octane prevents detonation by burning slower and cooler allowing the computor to remain higher in the timing curve. But again, the higher octane may hurt if you go too high, it burns too slow causing a loss in power also.