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  1. DennyTuna

    Power Commander for the Viper

    I know a lot of you guys have messed around with Power commanders so I'm looking to get some feed back. Dynojet no longer offers one for the stock Viper platform but Attitude Industries does. Do I need one? Viper with horn air box mod, 3" can and installing the straightline header this off...
  2. DennyTuna

    paint codes

    Anyone know the paint code # for the white that is used on the A-arms? Can't find it anywhere.
  3. DennyTuna

    18 Thundercat is missing @ WOT

    So this is my buddies sled, new for this season he installed the Bikeman trail muffler and clutch kit. Now it's missing bad when WOT. He thinks it's hitting the rev limit and I say it's a lean condition from the PM. It did throw a code once, boost leak (p1236)...I think that was the code#. Just...
  4. DennyTuna

    Tune Upgrade

    Last season I had the 240SS SM CL tune, it's a great trail tune for sure but decided to upgrade a little this season. Went with the cluster flash 225/240/270SS SM CL. Just finished with the install, big thanks and shout out to Dave for helping get this done on a Saturday. Let the fun begin!
  5. DennyTuna

    Steering drag link failure

    Anyone hear of this before? On my buddy's 18 winder last Sunday the pressed end heim joint failed, it came apart. He had no steering and had to bail off the sled. It was on a fast stretch with S curves. He got really lucky in he was not hurt, the sled went down over a bank (about 20'drop) and...
  6. DennyTuna

    02 sensor location on muffler

    Trying to decide what's the best spot for the AFR sensor? New to this tune game as I just got my first tune delivered yesterday. Where have you guys with the gap closed loop system been installing the AFR? How did you run and tie off your wires? Thanks for any help.
  7. DennyTuna

    Pivot arm on 14 RTX broke

    This sled has over 11,000 miles on it and this is the second arm that has broke. The first arm broke on the lower right side where the shock shaft attaches to the rail (about 2" in from rail). Shock package was stock (floats) as were cross shafts. Now 2 years after a new arm was installed and...
  8. DennyTuna

    Drive shaft wear on clutch side bearing

    Tried to install BOP's driveshaft saver on a 2014 RTX SE with 9,000 miles and found the shaft to be worn down a lot. I was at 75 pounds of torque and the bearing was still loose on the shaft. Got out the Micrometers to check things out, found the I.D. of the bearing was within .001 of spec but...
  9. DennyTuna

    Bearing grease

    Been repacking bogey wheel, drive shaft, jack shaft and stub shaft bearing on the fleet (3 winders, 3 Vipers) and the conversation about whether were using the best grease for the job has come up. My question is what type of grease are you using for these bearings? We are using Yamalube grease...
  10. DennyTuna

    Chain case upper gear bushing!

    There's a lot of chatter in the sidewinder section of chain case failures, I'm one of them. I also have a 16 Viper and there are 3 other Vipers in our group. These chain case and drive systems are the same basically on the Vipers and Sidewinders. Two of Vipers are close to 9000 miles so it got...
  11. DennyTuna

    MPS from BOP set ups

    Just ordered the MPS from Travis, should have it for install later this week. I have read all the post related to the MPS on the winder but wanted to get sled setup options from those that have it and have some seat time. Looking for what hole your using on the linkage arm, preload on front...
  12. DennyTuna

    Sled value help!

    I have a friend who selling his sleds but have know idea what there worth. We looked at Kelly blue book but just not sure if that's a good starting point or not. So I've come to the sled gurus for opinions. Here's what he has. Yamaha 06 Rage, under 4000 miles and very clean (cam chain tensioner...
  13. DennyTuna

    K&N Oil Filter

    Has anyone used the K&N oil filter on the Viper? If so what is the filter #, I looked in the facts section and came up empty. I use them on the winder and that number is K&N 147, hoping its the same for the viper.
  14. DennyTuna

    Cat skis on the Procross Chassis

    Purchased a 16 RT-X SE for my son, picking it up Next Friday morning. I had the dealer put a set of cat skis on it for me. I have 8" Bergstrom triple points to put on it when I pick it up. My question is should I shim the back of the rubber stopper like I have for years using Bergstrom skags? I...
  15. DennyTuna

    Some really good deals out there right now

    Just bought a 2016 SR Viper RT-X SE in red/white yesterday for my son. It's a leftover new machine but the price was right and I couldn't pass it up. To sweet'in the deal I got 0% interest for up to 60 months, I really love it when I can use other peoples money at no cost to me. In my search I...
  16. DennyTuna

    Belt height in driven clutch

    So where do you like your belt riding in the driven clutch? Slightly above? even? or slightly below? Just been trying to figure out how my winder likes the belt position. Wanting to hear from others as well.
  17. DennyTuna

    Ipone oil

    Just saw a 2 minute clip on snow trax TV regarding this oil. Anybody out there using it? Claims it's made with a product called ester that bonds to cylinder walls better and holds its viscosity ratings vs tradition oils using wax and chemicals that break down, lose viscosity and don't bond. They...
  18. DennyTuna

    Couple of concerns after first trip on 18 SW

    These are not major but still bother me. First one is the amount of ice that builds up on the inner cooler, we had 3 machines with varying amounts so we decided to compare intake temps and found it does affect intake temps but not drastic, within 20 degrees for the most part. The 18 Thundercat...
  19. DennyTuna

    First Ride Impressions

    We have just enough snow (6") @ home to take out the thunderwinders and get the break-in period done yesterday. Team Turbo Response Unit (1-50th LTX, 1-Racing Blue LTX, 1-Thundercat) all snow checked 18 units. We did the break-in by the book, first 100 miles under 6000 rpm. That was agonizing...
  20. DennyTuna

    GPS Trail Mapping

    Been trying to figure out this whole GPS thing. I just cannot figure out the mapping deal. Any recommendations on who's mapping to purchase? Who has the best mapping?


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