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Over the last several months I have been working on a 2001 660 Sled puller to compete with the 4x4 Utility bikes that usually win in any sled pull. This is a vidieo of my best pull so far. About 7 foot behind a Can Am Renegade 800 cc 4x4 and well infront of a Polaris

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If it comes up all white and overexposed click on the blue bar above the video box.
 

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Any success I have is due in part to a specific member of this board who did more then head me in the right direction. 002
 

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From The Stix 2 Da Brix
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Nice for a 2x4
 

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Very nice!
 

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I am unique
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Over the last several months I have been working on a 2001 660 Sled puller to compete with the 4x4 Utility bikes that usually win in any sled pull. This is a vidieo of my best pull so far. About 7 foot behind a Can Am Renegade 800 cc 4x4 and well infront of a Polaris

http://www.youtube.com/watch?v=LdB0TgE_F8A&feature=player_detailpage.

If it comes up all white and overexposed click on the blue bar above the video box.
Awesome pull, reminds me of the days I did that several years ago..........:D
Its quite the rush, now if you had power comparable to the Renegade, you be ahead........
 

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Discussion Starter #7
THANKS WILLY, YOU PUT ME LIGHT YEARS AHEAD.

As for as what I did, most of it was staring, thinking and talking with other folks. Playing off experiances of others, watching a lot of full size truck and tractors pull, watching the utility ATV's pull and just general physics. As far as the bike goes the mods have been very, very limited. Stock motor with slip on, jets and no air box lid. Factory orginal 2001 Stock clutch. However, the hitch and gear ratio are another story. Hitch is all bolt on no holes drilled, stock swing arm, adjustable up and down, in and out. Running 1100 lbs with me on the bike. It seems to like that weight, at 1200 it doesn't want to open up.
 

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I think what you are looking for is a 3 plug head. Willy has a few tricks up his sleeve but he obviously doesn't want to give everything away or that wouldn't give him an edge any more!
 

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I'm originally from Illinois but I'm down in Atlanta Georgia working. What organization does the ATV pulls? I wasn't aware this was going on in my area. When I get back to Illinois I have tons of new parts that are going on my bike. My build is everything Willy told me to run some I'm hoping for some potent power.
 

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Discussion Starter #11
Parker, There have been more and more of them in Southern Illinois. I put on a pull as part of our town festival. There are two as part of a local dealership's sales event. There are about 12 additional pulls as part of county fairs, local festivals and the like in South Central and Southern Illinois. The ones I have been attending are south of Springfield, IL and east of St. Louis, Mo. The ones I have found are usually conducted in conjunction with modified garden tractors. Some are well attended with 30 to 40 ATVs, others with just a few. I can't say the sport is on fire, but it seems to be gaining interest. Rules vary from location to location.
 

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What size bank do I need to rob to make 70 HP.
Here is your 70 hp..........
Here is a dyno sheet of a 686, three plugger with trail porting....................

This is my 660 HV ported, three plugger.........
 

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I am unique
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THANKS WILLY, YOU PUT ME LIGHT YEARS AHEAD.

As for as what I did, most of it was staring, thinking and talking with other folks. Playing off experiances of others, watching a lot of full size truck and tractors pull, watching the utility ATV's pull and just general physics. As far as the bike goes the mods have been very, very limited. Stock motor with slip on, jets and no air box lid. Factory orginal 2001 Stock clutch. However, the hitch and gear ratio are another story. Hitch is all bolt on no holes drilled, stock swing arm, adjustable up and down, in and out. Running 1100 lbs with me on the bike. It seems to like that weight, at 1200 it doesn't want to open up.
Watching that video, really got me wanting to get back into that sport, but unfortunately there arent any pulls for atvs around here anymore.

When I first started there were about 4 per year that I competed in, and I really had to be careful that I didnt over do it, I remember at one pull where the only thing that stopped my bike was the sleds brakes after I had gone by the fiinsh line about 50 feet.:D

This pull was put on by a local ATV dealer in the pulls location. I drove over an hour and a half to get there and I had taken my sons bike also, I had never pulled with his bike so getting a launch with it was difficult but I did get it to launch on the second try. After I stalled it on the first try I could hear in the back ground a lot of the competitors cat calling me to just go home, even the flag man was asking me if I could even move the sled, all I said is dont worry, I'll move it.

The farthest pull that day was about 200 feet on a 250 foot track, when I launched the bike and started pulling, I was amazed at how fast my sons bike got going and I took it full track until the sleds brakes came on. 300 feet and nothing was stopping me other then the sleds brakes.........

So I clearly won the class but was disqualified because the front wheels of my bike had left the ground, even though some of the 4wd drives also had done the same.

As a result of this, I was told I could not participate because I couldnt gurantee that the front wheels would remain on the ground, and because of this all of my friends that had gone down to participate also pulled there bikes from the competition. So the ATV pull lost a third of there bikes with one according to me irrate dealer trying to stop me from particapating...........:D:D:D:D:D

The picture I displayed in an earlier post is of my bike competing in the last pull I ever competed in. I had 7 pulls that day of which I had 5 full pulls, the full pulls I had even though I stopped past the finish line were not even slowing my bike down, the combo I had was near perfect and tooks about 4 years of pulling to perfect. The bike with me on it weighed around 1150 pounds with 75% of the weight at the rear of the bike, the hitch was built into the rear suspension linkage, I had to keep the bike stock appearing and functional, the gearing was a whopping 7 to 1 with homemade gears. I also used techniques from other pullers to setup my bike, I went with lots of wheel spin and I would rarely ever hook up, My goal was to keep the engine rpm up in the torque peak and used tires that were practically cut and worn down until I barely had 3/8 of inch tread bars, they were sharpened also, but since we werent allowed to use cut tires we would install the tires backwards and then spin them on concrete until they smoked to wear out the cutting marks,:D............
 

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Discussion Starter #14
Well so far I have not been able to embarrass the 4WD bikes. I competing with them in 4WD but not beating the sox off them. A 4WD using only 2WD doesn't stand a chance. I am hoping that as long as I don't embarrass them I won't get disqualified for something petty.

Mid Aug I will be going to a pull with a different governing body, further North. I have to fabricate a few new parts on the hitch. Hook point can not be any further back then 6 inches behind the center of the rear axle. I've found a little more helps with weight transfer. They are dividing onto Stock and Modified. Stock rules require stock gearing. I am going to try stock 22 inch tires and off the shelf 50 tooth sprocket and try the stock class. Then come back in the Modified with my 27 inch tires and my not off the shelf gearing. At least that’s my plan. The 12/50 gearing just doesn't allow enough RPM, and the Raptor falls short on HP. But I'll give it a try.

Willy, I have to say that it has been even more fun then I thought it would be. In additional I am very happy with the durability of the Raptor. I had to replace the "One Way" but that had nothing to do with Pulling. I am beginning to worry about the clutch. It seems it is starting to grab a little more when started in gear, but no sign if slippage. Maybe I just expect clutch problems so much, I'm imagining it. IT always grabbed some.
 

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Discussion Starter #15
Willy, Forgot to add...... Do I just sent the whole bike to you for that 70HP or do I have to take the motor out.
 

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Well so far I have not been able to embarrass the 4WD bikes. I competing with them in 4WD but not beating the sox off them. A 4WD using only 2WD doesn't stand a chance. I am hoping that as long as I don't embarrass them I won't get disqualified for something petty.

Mid Aug I will be going to a pull with a different governing body, further North. I have to fabricate a few new parts on the hitch. Hook point can not be any further back then 6 inches behind the center of the rear axle. I've found a little more helps with weight transfer. They are dividing onto Stock and Modified. Stock rules require stock gearing. I am going to try stock 22 inch tires and off the shelf 50 tooth sprocket and try the stock class. Then come back in the Modified with my 27 inch tires and my not off the shelf gearing. At least that’s my plan. The 12/50 gearing just doesn't allow enough RPM, and the Raptor falls short on HP. But I'll give it a try.

Willy, I have to say that it has been even more fun then I thought it would be. In additional I am very happy with the durability of the Raptor. I had to replace the "One Way" but that had nothing to do with Pulling. I am beginning to worry about the clutch. It seems it is starting to grab a little more when started in gear, but no sign if slippage. Maybe I just expect clutch problems so much, I'm imagining it. IT always grabbed some.
With the clutch I found that it is better that the clutch is hot, I could slip hot clutches a lot without burning them up but a cold clutch burnt immediately when slipped for a few seconds.
 
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