| Author | Message | ||
     Limitedx1 |
the rolling dyno trailer was at bike night last night. i got the last pull before it started pouring and the truck left. here are the mods 2000 red stripe x1, 5300 miles on her race ecm force streetfighter (no baffle) carbon ham can intake k&n buell pro series wires i will let you guys take guess's at the power output while i go scan the dyno sheet! | ||
| Buellgekk |
115 | ||
| Phat_j |
115 are u smokin crack? i say 85 | ||
| Spiderman |
Well it is a Rolling dyno trailer, which means the numbers will be higher cause they want the squids to pay up twice the amount a dealer would get for doing a pull. SOOO I am gonna guess between 92 and 98. But like Phat man said it should read between 84 and 88... | ||
| Warlizard |
I'll guess 84. Curious as I have same year w/ similar mods. Forcewinder,Supertrapp w/ open cap,Race ECM, Pro-Series Plugs and Wires. | ||
| Sleez |
89.7 | ||
| Limitedx1 |
well here it is, you guys were close, except i would have fainted if it would have put out 115, if it put out 115 that means i wouldnt have to put all the loot i plan on puttin in it next year just to crack 100. the peoples faces standing around the dyno were priceless. as my bike was sitting up there at idle it was shaking the grating on the ramp about 1 1/2" up and down, lol i cant get the sheet to work at all, it says its too big then when i resize it the sheet gets blurry. 83 degrees, 38% humidity, 28.9 pressure bike was warm so it put out... 90.3 horsepower @ 6775 rpm 81.09 FT*LB @ 4916 rpm horsewpower did a steady climb from 50 @ 4000rpm all the way to redline torque was about 78 @ 4000 then stayed in the high 70's until it dropped to 70 at redline now if our bikes have almost the same hp and way more torque than a 600 rice rocket, why are they so much faster than us? weight? almost 100 pounds less those crazy japs | ||
| Chasespeed |
They have enough HP, and gearing.... If we were geared better, with more gears, we could attain some speed as well... Oh yeah, PLUS, they SCREAM in the RPMs... Adn faster, yeah... quicker? at speeds yeah... depending on your skills, try jacking with one of your 600 buddies, stop light to stop light... you will be surprised, and so will they... Chase | ||
| Sloppy |
Impressive numbers, but with a word of caution: 6775 RPM = ~4500 FPM piston speed. To put this in perspective, neither MV, Yamaha or Honda 1000 cc bikes get past 4000 FPM. The XB9 runs only runs at 3600 FPM. The reality is if you like to play at this RPM, the playtime will be short. 600's are faster once they are up at redline - then they surpass the Buells because they have VERY short strokes. The 100# equates to about 16hp. But you can typically get them off line or out of corners quite easily. But on a long straight they will pull away. Just practice your roll on throttle out of corners... But if anyone bought a Buell to be racebike then they are probably disappointed. It's a great street bike, but there are better choices for a race bike. | ||
| Buellgekk |
Oeps, I was close wasn't I?????? | ||
| Warlizard |
What was the practical HP? Between 5000-6000 RPM's. Like Sloppy said you won't be running 6775 for long.Personaly, I always stop short of 6000, no matter what the situation. | ||
| Chasespeed |
The reality is if you like to play at this RPM, the playtime will be short. I think I am going to have to disagree here... I put 50k plus on a motor, that regularly hit the rev limiter... adn bounced off it... When torn down(due to a head gasket, and base gaskets), NOT blow by, or mechanical failure.... There was some scoring of the cylinder walls, nothing that a .005 overbore wouldnt take care... and the wrong pistons.... THUS, I put a 1250 in it... NOW, how long will the crank and rods hold together? That, I dont know. I imagine, due to the speeds at which internals are traveling, the rods will strecht sooner or later.... BUT, to the meat of it... from 4000-5000 you are building torque.. then it falls off.... SO, in reality, when you shift, you want it to fall back into this range... so you can continue to accelerate with the most force.. BUT, as long as you shift, BEFORE the HP falls(6775), call it 6700 for good measure, you should be fine for keeping in the meatty part of the power band. I havent ridden my bike in a while, so, I am fuzzy on how much rpm drops when shifting, but... Hell, I dont pay attention to the tach, I twinst the snot out of it, when the pull lessens, I shift... when screwing around, it beats the rev limiter up.... Chase} | ||
| Limitedx1 |
it pulls hard all that way past the yellow on my tach. i may hit this twice if im out with my buddies, when i do harley rides with my dad and fam im always around 2 grand. another question is why would a harley product (race ecm) let the motor spin that fast if it wouldnt hold up? the rev limiter is soft on my buell, no herky jerky power let off, just a soft noise that means no more SHIFT! buell x1 has a stroke of 3.8" (67mm) an r6 has a stroke of 44mm. claculated out with me at 6775 and the r6 at 15000 the spedd is about the same. why would that hurt a motor? maybe for the fact that a buell slug weighs more and the non blanced thing may cause them to slap a bit more? (Message edited by limitedx1 on July 26, 2007) | ||
| Chasespeed |
how do you equate this piston speed fpm, im guessing feet per minute? Correct, strokex2xrpm} | ||
| Sloppy |
There is a direct relationship between engine life and piston speed. Some "rough" numbers are: Semi-Trucks: 1500 fpm (rbld every 2,000,000 + miles) Street engines: 2500 fpm (rbld every 500,000 miles) Sports engine: 3500 fpm (rbld every 200,000 miles) Race engines: 5500 fpm (rbld every season) Drag engines: 6500 fpm (rbld every race day or run) Ref: A. Bell, 4-stroke perf. tuning. The rpm forces act on the bearings, rod and crank. Scoring of the bore is an indication of lubrication failure (ring flutter?), overheating or filtration. The X engine uses a weaker 3-piece crank vs a solid forged crank and has heavier roller bearings vs. bushing bearing and has heavier CIB valve train vs. OHC. I'm not saying you shouldn't play at redline, but your engine will not last as long -- perhaps it lasts long enough for what you use it for. For street riding, I keep it under 5500 rpm (~3500 fpm), for track riding I'll take it to 6200 rpm (~4000 fpm). The extra few hp I get isn't worth the wear on the engine. As already indicated, the Buell isn't going to beat the competition on the straight aways, but instead in the drive off the corners. Maybe it's worth if for other people -- that's for them to decide. The forces on the engine grow exponentially with speed. | ||
| Chasespeed |
well, scoring issue was due to upper ring, and a severe lean condition from.... well, playing with juice... Regardless, I wont dispute that there is a direct relationship, BUT, based on what I say what taking everything apart... the engine was holding up fine... I dont know what you define as short, and I apologize, since, I interpreted it as short, as in....well, runit like that, and it can explode at any time... Chase | ||
| Sleez |
i missed by .6 hp!!! | ||
| Rick_a |
Most jap bikes are making closer to 110hp nowadays and they have very lightweight reciprocating parts and are putting down almost four times the number of power pulses to the ground compared to our bikes...and the aforementioned lighter overall weight. I don't care, you'll always have more fun on a twin. | ||
| Bad_karma |
In addition I think the size of the power band and fairing contributes also to their speed advantage. Joe | ||
| Oldog |
I wonder if a Buell tuber with a good stock motor ( breathing treatment and race ecm ) add a 6 speed OD gear box I wonder if you could break 140mph.. | ||
| Kyrocket |
I think you could Oldog. Mine indicated 135 on I-64 just outside of Lexington and I still had a little throttle left. I believe that if I had stayed on it it would have reached 140, probably not much more but 140 might have been obtainable. That was a few years ago and I haven't taken it there since, the most I do now is in the 110 range 120 tops. I can usually be doing 100 by the time I reach the entrance ramp. I was impressed by the 90 hp. My X1, on a similar trailer dyno did 83.? I think this winter may have a tear down involved. | ||
| Kyrocket |
Speaking of HP numbers. Is there any data out there for just the exhaust? Something in the way of comparison using a single bike. It seems everyone has just a little something different but has anyone put different mufflers on one bike and ran dyno numbers. I would like to see the numbers of a Force, say over my Vance & Hines or a Drummer or whatever. Anyone know? | ||
| Chasespeed |
I wonder if a Buell tuber with a good stock motor ( breathing treatment and race ecm ) add a 6 speed OD gear box I wonder if you could break 140mph.. It will, with the motor, fairing, and a gearing change.... Chase} | ||
| Oldog |
KyR: I posted stock dyno numbers some time back in the KV these Were Vs same bike equipped with a force winder & super trapp with a stock ECM, the Race box improved drivability the biggest change to my X1 was the mid range got FAT at one point I picked up about 8hp and 12ftlbs torque wheelie mania... | ||
| Rick_a |
Remember that all stock speedometers are a bit optimistic, especially on top. About mid 130's are the highest radar-verified speeds I've seen for stockish X1's. I believe I have a road test on a stock S3 that had it hitting 140. Import bikes are the worst, though, especially Asian models, for some reason. | ||
| Cyclonecharlie |
If that was Lexington Va. on I-64,that down hill section you could probably hit 140+ and stay into it till it popped.Use to run that section of road everyday before I retired............  Charlie | ||
| Kyrocket |
Well, isn't my balloon deflated! Here I thought I was doing something. I'll take the indicated any day over being hit with the radar. Even 120 would probably mean losing the license. It was Lexington Ky. Never had the bike in Va. but would like to get over to WVa. on 64. That's like riding a snake's back. | ||
| Oldog |
I have seen Leos' attend MX races years ago clocking with their radar guns, its not out of the realm of possibility to think that a trooper could be invited to a track with a hand held for speed checks. | ||
| Kyrocket |
Maybe I can see what the Chief thinks. My job allows me to rub elbows with our Mayor and Chief of Police and most of the officers. I also play ball with several State Troopers, I'll see if any of them have a radar gun in their trunk. Speaking of speed, I was at the local bike shop today and they had a recently traded '05 'Busa lowered and nitro. but it felt like it was a mile long. That was the first time I'd ever been on a 'Busa before and it felt like it would be fast as Hell in the straights but you could probably see your back end coming around in a curve. | ||
| Blake |
The Force pipe is good for top end. I've bumped into the 7000 rpm rev limit in 5th gear on the old Cyclone (Dyna 2000 ignition module). An overdrive would hurt drivetrain efficiency. The 600's enjoy the benefits of six speeds (not overdrive) and fully faired aerodynamics. |
