sonytl

There is a guy that I work with who sales racing fuel. He gave me 5 gal. of unleaded 103 octane. I had a 50/50 mix of 93 octane. Man it rocks. True horsepower gain. He said that 5 gal of this stuff cost about $37 bucks. I don't know if I would run it full strength though.

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"Never be afraid to try something new.
Remember, amateurs built the ark.
Professionals built the Titanic."

F=ma

For $37? that could fill a 15 lb pill of 75 shot.

sonytl

Yeah, but with no mods.

haha98

Wouldn't that hurt your engine more than help it? If you are messing with fuel and you want results, get a fuel pressure regulator and bump up your current pressure.I bumper mine up from 34 psi to 37 psi and i can feel it in the high RPM's.....

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1996 2.5 TL Dark Green
HKS Powerflow, HKS Fuel Pressure Regulator, Sebring Exhaust, Jacobs Pro Street, Apex-i AFC, Jet ECU, Powerslot Rotors, Axxis Metal Master Pads, PIAA 1100x, Clarion 9255, Tube Driver Amps, Boston Pro 10's (2) , CD Technologies 6-4-2, Clarion MVA6491 (3), Cliford Avant Guard 4, Monster Capacitors (2), Jacobs Accuvolt, Trunk, Underdash and Underbody Neons
No nav yet but soon!!!

Guest

hmmm....higher octane shouldnt effect performance unless you're boosted or you could advance the timung along with it. Are you sure its not in your head? Intersted in any feedback.

Atomix

Exactly TorqueNazi, there should be no gain for that range of octane. If you are running boost and a pretty advanced timing, then higher octane will help. But with direct injection, playing with timing is not just a wrench and a timing gun.

You can also use Toulene (sp?) to boost octane, it's a paint thinner if memory serves. This guy with a boosted Audi 5000 and way too much advanced timing, who usually detonates at high revs, mixed toulene with 92 octane for about 94 octane, and got no detonation....nice prospects

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"Now you see that evil will always triumph, because good is dumb." --Dark Helmet

www.distributed.net

Guest

it shouldn't mess up ur car if u do it right. If u get a octane booster, which u can buy at any kragens or something, it has the ratio of how much u should put in per gallon of gasoline.

NSX4dr

It will help you......and it will not harm your engine as long as you don't venture into the leaded gas realm of let's say 116 octane.........104 is the highest unleaded you can buy......

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Comptech exhaust
Comptech springs
custom air intake
18x7.5 Alstadts w/ 53mm offset
225/40/18 Kumho Ecsta Supras
153mph Top Speed
193hp @ the wheels....soon to be
250hp @ the wheels....13's here I come

ghost31711

last time i filled my take up with 100 octain in my accord, i coudlnt feel much of a difference....but i think it sorta clean out my fual injector....

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Bad ass TL...but...
Cant afford Mods.....

Road Rage

Sorry, but as an engineer I don't buy it.

Your engine is optimized for premium with a RON of 93. The spark maps and timing are set for that. Unless you change parameters in the combustion chamber (compression, swirl rate, etc.) you won't see any or any significant changes. In fact, you could lose power because higher octane fuel has a slower burn rate.

Here is another warning: racing fuel and aviation gas have different chemical additives than fuel designed for street use. Over time, you run a real risk of deposit buildup, valve and valve seat erosion, etc.

I think the gains are simple expectation bias, and not worth the potential downsides.

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Rage On!
2000 TL w. Comptech header/exhaust
SSR Integral A2's
17x7 45mm offset
Pirelli P7000 (Summer) 215-50/17
Fender lips rolled

haha98

Then why not put the money in your pocket and just tell yourself you put it into racing fuel....Then go buy you self some more mods....

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1996 2.5 TL Dark Green
HKS Powerflow, HKS Fuel Pressure Regulator, Sebring Exhaust, Jacobs Pro Street, Apex-i AFC, Jet ECU, Powerslot Rotors, Axxis Metal Master Pads, PIAA 1100x, Clarion 9255, Tube Driver Amps, Boston Pro 10's (2) , CD Technologies 6-4-2, Clarion MVA6491 (3), Cliford Avant Guard 4, Monster Capacitors (2), Jacobs Accuvolt, Trunk, Underdash and Underbody Neons
No nav yet but soon!!!

Guest

keep in mind this is the same thing riceboys say to themselves after planting on type R banners across their windshield...

BNut

So what's wrong with psycological HP?

I mean if you THINK your car is quicker, or it FEELS faster, isn't that what is important?

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Brian =B-)
2000 Accord LX V6 Sedan White - 3,310 lbs w/ driver - 170HP & 160ft/lbs
- Eibach Pro-Kit (1.5" drop)
- Red AEM Short RAM Intake (8-10hp & 5-6 ft/lbs gain on a DynoJet)
- Red AEM Tru Power Pulleys (10hp @ 5,600rpms & 11ft/lbs @ 4,600rpms gain on a DynoJet)
- 15.5 @ 88mph (Track) [with AEM intake] 0-60mph 7.2 sec (G-Tech) [with intake/pulleys]