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[SDCVO]

My local gas station sells 5 gallon containers of 110 octane race fuel that is leaded. Would I hurt anything if I put it in my bike? I found a station about 35 miles from my house that has 100 octane unleaded in the pump that I have been running whenever I am close to that station on my way home that I love but obviously doesn't always happen. I am in CA so we have horrible pump gas usually.
No cat of course

[Fullsac Performance]

My local gas station sells 5 gallon containers of 110 octane race fuel that is leaded. Would I hurt anything if I put it in my bike? I found a station about 35 miles from my house that has 100 octane unleaded in the pump that I have been running whenever I am close to that station on my way home that I love but obviously doesn't always happen. I am in CA so we have horrible pump gas usually.
No cat of course

Your 02 sensors are not designed to deal with the lead.

SG

[SDCVO]

Your 02 sensors are not designed to deal with the lead.

SG

didn't think about those. thanks

[evostroker]

Yup..will kill your 02 sensors quickly..and plug up your cat if you have one..

[INDEPENDENT_1]

Id be tempted to get a 2nd bike for only around the area riding and build a high compression monster and tune it in open loop.

[SBB]

Your 02 sensors are not designed to deal with the lead.

SG

True.
I found that out on the 09 SEUC.
But that 01 SERG and 03 Classic love it.
And it smells so good!

SBB

[Steve Cole]

110 octane isn't going to do you much good unless the engine is built and tuned for it. The 100 unleaded would be a better choice for what you currently have.

[grc]

Another thing to think about with real racing fuel is that it often doesn't have the other additives common to consumer grade gasoline.  I know some people get all giddy like a schoolgirl whenever someone offers to sell them "racing" stuff for their regular ol' car or bike, but there are very good reasons why real racing stuff isn't used on consumer grade vehicles.

Excess octane is just wasted money btw.  If the engine is built and tuned to run fine on 91 octane, running 100 or 110 racing fuel won't make it run any better, no matter what you try to convince yourself.  If you really can't find 91 octane consumer level fuel, try having your bike tuned to run on what is available.

Jerry

[HILLSIDECYCLE.COM]

If nothing more, that "good gas" smoooooooooooothes the engine out.
Sunoco Cam II is in this area.
We used to use C14+, or C16 VP in our AHDRA Racer...............17.25 cr.
Scott

[SDCVO]

Bike runs good on 91, just a placebo deal for me I think. Not even in the top 10 of my psychotic obsessions all of which involve motorcycles...

[Colonel Sanders]

Much more octane than is needed and you will actually lose power, not gain.  I used to see lower trap speeds at the track with higher octane fuel.  Same night back to back.  The engine was built for 93. 

And yeah, O2 sensors need unleaded fuel.

[Ridgerunr]

I have a couple stations in the area that sell 100% premium (no ethanol), that's what I use when I can.

[INDEPENDENT_1]

Much more octane than is needed and you will actually lose power, not gain.  I used to see lower trap speeds at the track with higher octane fuel.  Same night back to back.  The engine was built for 93. 

And yeah, O2 sensors need unleaded fuel.

Spot on. You want the lowest octane you can get away with that keeps detonation at bay because the flame front or flame kernel ignites faster and the burn travels from one oxygen (O2) and hydrocarbon (HC) (which are both readings a 4/5 gas analyzer see) for maximum power and efficiency. In layman's terms, if you can run lower octane without detonation, it will make more power than a higher octane fuel because it combusts at lower temperatures and the flame kernel (spark) jumps from 1 combustible molecule to the next faster, which in turn, creates more power. 

[Jswerve]

Spot on. You want the lowest octane you can get away with that keeps detonation at bay because the flame front or flame kernel ignites faster and the burn travels from one oxygen (O2) and hydrocarbon (HC) (which are both readings a 4/5 gas analyzer see) for maximum power and efficiency. In layman's terms, if you can run lower octane without detonation, it will make more power than a higher octane fuel because it combusts at lower temperatures and the flame kernel (spark) jumps from 1 combustible molecule to the next faster, which in turn, creates more power.

Nice to know