8bu 10 set and still over reving

N

nysrx

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We are running a stock 02 SRX with loaded 8 bu 10 weight ( 55.5 grams) WWW spring 48/38 helix green spring wrapped at 70. RPM's still running at 8900 - 9000 rpm with 4500 rpm engagement. Tried the red but even up at 90 degree the belt gets sucked in. If I run a carbon fiber belt it will drop about 200 RPM's vs stock belt. I need a blue white blue primary spring to try if anybody has one. That should have the same engagement I believe but with less total force of 111 vs the WWW at 119. Need to get these RPM's down. If anybody has any advice I am willing to listen. Thanks
 

I have the same sled and I just put in some 8bu-10 to replace my heel clickers. And I'm also reving 8700 to 8800 rpm with loaded wieghts and www primary spring, I've got a green spring in the secondary wrapped at 70 with the same 50/36 dalton helix I was running with the heel clickers, and I think that's the reason for over reving, I'm gona throw in my strait 47 for now see if it works but I am waiting to receive my 51/43 and I'm hoping that's fixes this over reving.
You have a semilar helix and were probly having the same troubles.
I think the proper helix for that setup is 51/43
Do you have stock gearing?
 
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For top speeds on ice I like the shallow finish angles. Depends what you're doing with the sled. You can put a washer under the rivet or use machine screws and nuts instead of the rivets for more weight

I also did a trail setup using a Dalton 54/44 with bu10s www and green secondary that worked really well
 
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easy solution, you guys are running to shallow finish angle on your helix. 8bu-10 pull incredible top speed. thats why you guys are over reving. dave try a 48/43 or similar finish. i run 8bu-10 in my 02 , 8450 all the way down the lake. sleds gone 110 with 8bu-10 on stalker on glare ice in 1000 f.t. 3:16 (yammie tony)
 
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YAMMIEGOD3:16 said:
easy solution, you guys are running to shallow finish angle on your helix. 8bu-10 pull incredible top speed. thats why you guys are over reving. dave try a 48/43 or similar finish. i run 8bu-10 in my 02 , 8450 all the way down the lake. sleds gone 110 with 8bu-10 on stalker on glare ice in 1000 f.t. 3:16 (yammie tony)
Click to expand...

I think your sled is possesed! Do you have a recording of this? I gotta see it! Mine might do that on a speedo but GPS? All clutching? I'm sure my speed run area is a little longer then 1000 ft. Ill watch my odometer on my vid, that should be 2/10 of a mile give a little.
 
i am alot of things, and a story teller is not one of them. so no i have no video. just 42 years of playing with sleds. besides with my reputation, i cant afford to tell fips or screw people. i will do this for you. that day what i had. i wrote it down.
1.2002 srx 700
2.8bu-10- 55 grams
3. maxximum purple primary spring
4. 50/40 cam green spring 90 twist
5. 23/38 gearing
6. stock track
7. mega-bites and chisels, skid lowered
8. 100 octane fuel. no dcs. stock jetting
9 150 pound driver rock hard glare ice, best 110 mph on stalker and gps in 1000 f.t. 3:16 (yammie tony) don,t know what to tell ya if my sled is possesed, they called the srx devil in a blue dress. lmfao
 
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Viktory your a little new here so I will set you straight...hope you don't mind,but we look at tony as the godfather of yamahas...the king of sling....the master of faster...the *** on grass...er well you see what I am getting at.He probably has never taken this sled on a trail...... hence it is set up for racing.When he says its stock its stock... untouched ..no...every thing straight yes.Keep the tips coming tony.Hope you don't mind the pun.
 
I could not have said that any better. Tony rocks. A lot of guys would keep a set-up that rips like that to themselves. Not Tony. He put it all right out in front of everyone and said,
"Hey this rips you should try it!"
 
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Hey guys, I don't have a dog in this fight but I'll be happy to give an independent view of Viktory's post.

I took it as complimentary to 3:16, not derogatory. Possesed as an "alter" positive, not a negative, but more like 3:16 stated in his response. I took the recording question as an interest in seeing it, not a challenge that 3:16 is a story teller. Then Vik kinda just talks about his situation, likely realizing that he can work towards 3:16's results (he does ask about clutching), and at the same time he probably knows that 3:16 has a lot of experience and has tuned some sleds into fast sh$t.
 
Wow 110 mph in 1000 feet is quite the accomplishment. At a sanctioned event….. priceless.
NSSR is regarded as a highly recognized speed organization that can be relied upon for records in the 1000 foot distance. Please visit this website below. Be sure to see 700 stock multi pipe.
http://www.racenssr.com/records.htm
---mac---
 
And for all the Artic Cat F7 haters. Please read the above results. Newsflash: The SRX won its last sanctioned event 14 years ago.
and just for the record i bleed for the blue team.
 
thanks guys, i love it you kidding, and no bad intent at all. i can only throw out there what i am doing, just ran 101 in the 1/8 with my 95 vmax 4 800 stocker dinosaur on gun. test test test. all on glare ice. 3:16 (yammie tony)
 
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Mac said:
Wow 110 mph in 1000 feet is quite the accomplishment. At a sanctioned event….. priceless.
NSSR is regarded as a highly recognized speed organization that can be relied upon for records in the 1000 foot distance. Please visit this website below. Be sure to see 700 stock multi pipe.
http://www.racenssr.com/records.htm
---mac---
Click to expand...

actually mac, the day i did this, there was a 2003 firescrap with us that went 112 and toped me. 3:16 (yammie tony)
 
srx700c said:
Hey guys, I don't have a dog in this fight but I'll be happy to give an independent view of Viktory's post.

I took it as complimentary to 3:16, not derogatory. Possesed as an "alter" positive, not a negative, but more like 3:16 stated in his response. I took the recording question as an interest in seeing it, not a challenge that 3:16 is a story teller. Then Vik kinda just talks about his situation, likely realizing that he can work towards 3:16's results (he does ask about clutching), and at the same time he probably knows that 3:16 has a lot of experience and has tuned some sleds into fast sh$t.
Click to expand...

Exactly, I saw your sig and it reminded me of someone elses sig. I do believe you, I would pay to see that in person is what I meant. The pull that sled must have, amazing. You musta used gorilla glue on the hand grips, Yes, I follow the posts and keep the asking questions about clutching to a minimun, I am in the experiment stage now. The members here are getting sick of all my clutch questions. That actually made sense to me being too shallow of a finish angle. I must be getting somewhere! I do a lot of lurking on here about the clutching, it works almost as good as asking, thats why I came to this thread to begin with. I'll be the first to admit I am having a more difficult time then most understanding clutching(like it isn't obvious). Hey, at least I'm not one of those who ask 1 question about clutching and think of myself as a guru(I've seen that too many times, here also)and I know you know your stuff on clutching. I know enough to figure out the truth from fable. Thats why I was po'd when a box of yamaha misc clutch springs ,weight, etc sold on ebay. That was my ticket to advance to higher knowledge. $50 and free shipping buy it now. I do also have a strong and maybe a little weird sense of humor. My goal is to someday, advise someone on a nice clutch setup. As far as working toward a goal of similar knowledge of clutching. I doubt it. I do not foresee my sled ever even coming close to those numbers, well, maybe if it was dropped out of an airplane. I did not in any way mean that as an offensive comment.
Enough of this, gotta lurk........Oh yeah, mopar, you found the cam you needed?
 
Holy cow! did you see the 98 t-cat and the 78 blizzard?
Here come the questions. I was told roller secondaries are not good for straight line racing. Why? I would think they would work good. If i'm right, a button reverse cam rotates against the rotation of the belt as it upshifts. A roller, at least Hi-Tech, rotates with the belt rotation while upshifting. Is this correct? (one of my experiments).
Another experiment is rig my gopro somewhere by the clutches and make some speed runs, upload it to pc and play it in slow motion. I posted this somewhere else. Watch, I blow a belt and destroy my new gopro!
The problem is the lake is so bumpy, I can't go very fast, maybe 40 on average. One spot I hit 70 before the bumps started back up.
 
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