Cummins Transfer Sled Pulling
Cummins Transfer Sled Pulling
If you were to run 44 inch mud tires @ the track would your truck grip the track better and use more of your motor other than running standard size with ruff tread and just blowing threw them...because you would create more momentem before hitting the govener because of the increassed gearing due to the tire size? or would it just power out. WHEN I PULL I AWAYS STOP DUE TO LOSS OF TRACTION IVE NEVER LOSS POWER EVER useing my 33 inch boggers! I always spin out.... motor still has loads of power im not getting to use.
Most pulls have a 35 inch tire size restriction. After a point larger tires are just going to add more rotating weight (bad). I have had great luck with 33" M/T Baja Claws. Boggers are allmost too knobby for sled pulling unless you grind the heck out of em. Besides if you hookup too well you will overload your drivetrain and start breakin stuff (bad). It is hard to find the right balance of grip and slip.
I have seen guys and I did once only for muddin is take a bogger and cut out the smaller paddles so its only the large paddles and that makes it grip alot better cause it doesnt clump up in the mud. But im not sure what will happen for dirt.
Most guys look for wheel spin when pulling, not traction, depending on the ground of course. Like SuperSonic said, the more traction you have, the more load you put on your drivetrain, which in turn breaks U- joints, drive lines, etc. etc.
Just My 2cents
Scott
Just My 2cents
Scott
So to fully use the power of the motor you must have good traction right ......but then you must have a good drive train as well isnt that the point . why even chip up or do any thing to the motor if stock motor still spends out??????if you put a really good drive train and good tires the bigest and widest allowed and pull stock motor ...in theory you would do better than some one with twin turbos.......That kind of makes sence
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you spin the tires because the sled stops you and you don't have the power to pull it further, but the ground is soft enuff to allow the tires to spin--this is good--if you didn't spin the tires you'd be throwing parts---the higher your truck is the more suspension work you need to do to keep it from hopping down the track---chris
You want to get the sled moving as fast as you can in the first 25'-40'
You HAVE to have wheel speed as you can not "drag" the sled down the track. You must accelerate the sled, and tehn your weak point has to be traction. You won't find many 1.5"-3" pieces of metal willing to stand 2,000 3,000Lbs of torque, and more when you hop.
The wheels will only create so much traction,, maybe,, 600 Lbs of torque will break them loose, but it takes more HP to get them spinning faster.
I don't think there is much moving that sled once all the weight is forwards..... You just have to depend on your momentum you built up earlier in the run.
I think even, with as much traction as you could dig up,, you couldn't find enough to move the sled after it has slowed, and the sled is digging into the ground...
Merrick
You HAVE to have wheel speed as you can not "drag" the sled down the track. You must accelerate the sled, and tehn your weak point has to be traction. You won't find many 1.5"-3" pieces of metal willing to stand 2,000 3,000Lbs of torque, and more when you hop.
The wheels will only create so much traction,, maybe,, 600 Lbs of torque will break them loose, but it takes more HP to get them spinning faster.
I don't think there is much moving that sled once all the weight is forwards..... You just have to depend on your momentum you built up earlier in the run.
I think even, with as much traction as you could dig up,, you couldn't find enough to move the sled after it has slowed, and the sled is digging into the ground...
Merrick
The only time the sled actually gets DRAGGED down the track is if you are pulling with tractors
. Most tractor pulls dont end once the "momentum" is lost, they end with wheel stands and pans fully on the ground
. As Merrick said, there is no way to drag the sled (with a truck) once it digs.
Scott
. Most tractor pulls dont end once the "momentum" is lost, they end with wheel stands and pans fully on the ground
. As Merrick said, there is no way to drag the sled (with a truck) once it digs.Scott
"Most guys look for wheel spin when pulling, not traction" if this was true I'll run a set of 13" pinto rims with slicks on them and see how far Ill get
Picture it If i can get enough ground clearence and not drag my pumpkins Ill be good
Picture it If i can get enough ground clearence and not drag my pumpkins Ill be good
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