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I just went and picked up my 10-58 weights. I need to install them now. My helix currently is 56-42-36. My dealer told me i should run a 58-40? Does this seem correct? I am sure my gears are stock.
Not pulling rpm
- Thread starter DragonFreak
- Start date
I would not worry about the helix just yet, Put the 58's in and see what it does. If on the trail it does not go to 8250 right away. then go buy the 10-56's. It is my understanding that the helix has nothing to do with the RPM the motor pulls, but more how it shifts in the deep stuff so first you need to get the RPM right then adjust the helix and springs to hold that RPM ( Please correct me if I am wrong. I am just learning this stuff.) I have a motor that should be very similar in power to yours and it did exactly what you are describing when I had 10-60's in it. Mine may even end up with 10-54's in it at our altitude. If it were me I would do EXACTLY what 800xtreme has suggested. You might not think so at first, but it will save you from buying parts you don't need.
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The helix does infact have something to do with the R's on the motor. If you go from a 42 final angle to a 40 final angle you should see around 200 R's. Same with using the different springs in the primary / secondary. I have been fumbling around with the same issues and actually am going down the same path 800extreme is suggesting. I've actually tried throwing less weight at the primary and actually loss R's. I have a 08 D8 I'm going to 10-64's Lime Green Primary (150-340) going to try a 64-40-.36 with a
(140-260) secondary. Both the D7's and D8's run the best at 8300-8400. Best of luck.
(140-260) secondary. Both the D7's and D8's run the best at 8300-8400. Best of luck.
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I have my 10-58's but no way to put them in 
. Any help?
. Any help?
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All you need is a couple screw drivers or pry bars to spread the primary apart, a allen wrench and a 3/8" wrench and you can change them.
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I don't dare stick my fingers in there
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I do not dare put my finger around there either. My friend lost a finger but it was from a fan sled
K
read this stuff and then according your objective change one thing at a time and see the result. replacing an helix will cost you $100 and a spring for the primary or secondary is $20.
krat
krat
Thanks for that Krat, Good Rep for you!
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K
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I would replace the clutch springs before anything else, especially the secondary spring. I noticed a lot of people lost RPM on their 700 Dragons the second year they ran them.
I've been told that the springs are good for around 800 miles and then they fatigue. I also believe they get week when sitting compressed all summer.
One of the guys I ride with had an ’07 with an SLP pipe and it wouldn’t put enough RPM. I think the last day I rode with him it was pulling about 7200. When he got home he replaced the secondary spring and got back to 8000 RPM.
My ’08 would run around 8000-8100 with the stock setup and 10-58 weights at 9-11K.
I've been told that the springs are good for around 800 miles and then they fatigue. I also believe they get week when sitting compressed all summer.
One of the guys I ride with had an ’07 with an SLP pipe and it wouldn’t put enough RPM. I think the last day I rode with him it was pulling about 7200. When he got home he replaced the secondary spring and got back to 8000 RPM.
My ’08 would run around 8000-8100 with the stock setup and 10-58 weights at 9-11K.
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I have both new springs. I had a set of pistons so i pulled it apart and i am putting them in and the new weights. Hopefully this will help out. The only thing is on my pto cylinder there is a tiny nick above the exhuast port on the wall. would this effect performance?
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Well i feel like an idiot. Because i took the cylinders to my dealer and it is a hole that is suppose to be there. He said my cylinders were perfect. The compression wasnt bad in the first place just the guy i bought the sled from gave them to me so i decided i would put them in. The sled has about 4k miles on it so i thought it wouldnt hurt
