| Author | Message | ||
     Mmmi_grad |
Just curious. Does the thunderstorm require 92 or 93 octane. what does manual want us to use. In your bike too M2 s1 s2 etc . Or is this even worth talking about? Also hit a bunp today and my bike like kinda went to alow rpm and engine light came on for about 5 seconds and never came back. Must have been tip over sensor. Also got a funny chug chug chug chug when taking off after about 20 miles on highway at around eighty. Im assuming that was another sensor adjust too. Owell all is rightous at this time. | ||
| Buelliedan |
In my X1 with the Thunderstorm heads I only run the 93 Super. In my S2 with the stock sportster heads and my wifes Blast we run midgrade 89 usually but sometimes give them a treat of 93! | ||
| Garrett2 |
i always run premium (93 octane) in my 99 S3 (thunderstorm motor) daily use. when i go to the dragstrip ill put a gallon and half or so of 110 in to bump up the octane garrett | ||
| Oldog |
Mike: Can't find the manual but I recall that you want to run premium fuel 91+ limited ethanol, and oxygenated gas blends(clean air) ok my experience with the stock ECM has shown that you must run high octane to prevent knocking cant say about the race ecm | ||
| Tramp |
93 or 94 where i can get it. she loves av-gas, especially in this hot weather and on long trips, i probably use it every 5 or so tankfuls. | ||
| Wceviper |
i wish I could get 93 octain at the pump, we used to get 92, then it was reduced to 91. | ||
| Aaomy |
i always run the highest octane available. with a slightly modified s2 motor but advanced timing i had problems with the bike at sturgis last year, where most places premium was 89!!! around here almost ever place has up to 93. out there i had to run octane booster to keep her running strong. could have retarded the ignition timing to correct but didnt have a computer available. with this years set up i wouldnt run anything less that 93,i usually keep a small bottle of octane booster under the seat for just such emergencies. treats about 4 tanks 20 gallons. | ||
| Natexlh1000 |
Mine always pings around town when it's hot. I usually slip the clutch more to reduce this. | ||
| Mmmi_grad |
garrett2 I have read this high octane race fuel ruins o2 sensors, im just learning FI and cant through any knowledge about it, but interested in opinons? But in this case i am refering to just dumping race fule 110 or something in a stock x1. I understand this isnt something to do, correct me if im wrong please. amd yeah with 92 or 93 mine will sometime ping when hot around town Natexlh1000 Looks like the premium is the good stuff , thanks. (Message edited by mmmi_grad on July 23, 2005) | ||
| Ryker77 |
91 or 92 with 2oz of offroad Lucas octane booster. Bumps it up to around 94. But I've got 30degree heads that help lower detnation. | ||
| Garrett2 |
i dont dump JUST 110 in the tank, i make sure i already have some 93 in there first. ive been running race gas/premium combo for a while and have had no problems out of it. | ||
| Tramp |
as to high-octane ruining O2 sensors- not exactly the case. the 'low-lead' high-octane will. there is nothing negative to be expected by running higher octane | ||
| Oldog |
tramp is correct the octane rating is not the problem the presence of lead is, it will ruin the o2 sensor,( no avgas ) I have this from the factory. I had a serious pinging problem, new plugs, pc3, a new ecm (std model) and the et sensor replaced I have gotten "her" good and hot no problems using amoco premium any one running fuel injection and thinking about high octane air plane gas, don't its leaded if the bike is carbureted you could try it be aware that the last time I purchased 100LL, (Blue) it was over 2.00$ a gallon mo gas was .99$ gallon one thing about it if you buy avgas at least its "clean" | ||
| Tramp |
actually, when you consider the cost of auto fuel at the pump, and the cost of avgas, the margin has shrunken considerably. carburetted engines love the stuff, as they do racing fule such as sun-glo, etc. I know, I know, a lot of tech 'scholars' will state that theres' no HP gain. regardless of that....*theory*, the clean igniting makes for quiet running, and my valves like having some lead coating them from time-to-time.... | ||
| Mmmi_grad |
I got the engine light again, went away after getting a hesitation. I think the bump i hit screwed my bank angle sensor. ran for codes and found none just 10 quick flashes? | ||
| Oldog |
Mike: Check conns on the battery & ground, and side stand switch, could be the bas too my side stand switch went south not too long ago (real stiff & slow to move) it won't code either but you will blink the trouble light, the reaction sounds similar to my problem, happens when a "bump" is hit tramp: I haven't called the air port I bet Avgas is over $3.00 gallon in Wilmington NC. Also the low lead avgas has got quite a bit of lead in it. Expect shortened plug life, and issues with accumulations on the valves and in the head if you use much of it. It was an issue with the 4 cyl boxer type engine used in the Cessna 150 trainer air craft because of lead deposits. Racing gas or octane booster make better sense. | ||
| Mmmi_grad |
thanks ill check tha out. Heading over to strormfronts found something cool googleearth , satalite pictures and its FREE you can zoom down to roads. Might be useful for checking out the appalation adventure? http://earth.google.com/ | ||
| Tramp |
olddog- you mean the lycoming...actually that had more to with the valve composition being used in the lycomings that are set up for regular autogas, primarily for the wildly popular 172 skyhawk float planes (which i got my float hours in, myself) that the ability to burn marine fuel when they pull up to the gas docks at marinas. in the winter, when the owners switched back to their trikes, they were using av-gas, as it was then easier to taxi up to the airport pumps.... this was the root of the problem. mattituck sorted it out pretty quickly as i recall but it was a definitive case of 'pilot error' masqueradung as 'equipment failure'. occasional use of 'low-lead' in an evo mill is no cuase for valvetrain concern, and any decent plug will be fine with it, trust me on this one, i didn't 'read it in a book'.... | ||
| Oldog |
no sir: i am refering to spark plug problems with the 100 hp continental aircraft engine due to lead fowling, the bike can't do a lean burn to clear the plugs the valve problems may have been related to materials, in the lycoming but issues with lead caused a number of problems relating to plugs and valves, did my time in a C150 J, the 172 had numerous engine problems valve problems were just part of it if you use the "LL100" regulary you may have problems, the valves & guides in our bikes no not need lead for lubrication | ||
| Denfromphilly |
My brother is an aircraft engineer. He has a homebuilt plane with a 150hp Lycoming. If he idles it too much the lower plugs lead foul and it will fail magneto check on the preflight. AV gas lead does foul plugs. I used a few gallons in my X1 from time to time to bump up the octane, the O2 sensor fouled/replaced. I run Sunoco 94 available here around philly. I have a modified 99X1 T-storm motor with 10.5:1, 555 cam, V&H, and after a TPS reset it does not ping at all. I run the 10R12 plugs and have multiple cooling fans & oil cooler but nothing stopped the ping leaving traffic lights except AV gas and the TPS reset. In stop and go 93 degree weather there is NO ping. Den 99X1 | ||
| Mmmi_grad |
Mine pings sometimes like you say taking off from a light when really Hot. I have always ran the highest i could find 92 93. Oldog my kickstand sensor is messing with me. I got a Colbalt airfuel gauge coming from autometer. That should help. Anybody riding in the 100 degree weather today  | ||
| Tramp |
denfromphilly- you're trying to argue me against my own statemant, big fella- reread my posts- i'm the guy who pointed out that 'low-lead' fouls o2 sensors....my point about the lycomings is dead-on, and even though our buell valvetrains (OBVIOUSLY) don't need leaded fule, my continuing point is that it won't hurt them either. as to plug fouling, that's easily remedied by running a 3-diode high-plat. that's what i run with ANY vehicle that i'm using 'low-lead' in...er.....outside of cox models.... | ||
| Denfromphilly |
Yo Tramp, Actually I thought I was agreeing with you that AV gas lead did foul plugs, even those designed to run it, and it does trash O2 sensors. Autozone has cheap O2 sensors thank god. I was protecting your flank.... It never fouled my plugs but I don't idle for 30 mins at a time either doing preflight checks. I thought the AV gas bump was pretty cool the first couple gallons I ran. Just don't do it if you have FI and an O2 sensor! Den (Message edited by denfromphilly on July 25, 2005) | ||
| Tramp |
no, I know, den- Like I said, you had me arguing myself  .... we're on the same page for sure... |
