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  1. promod63

    motor not idling down after rev

    Butterflies or shafts, slides will only hold the needle up. The nitrous explosion could have bent them and allow more air into the engine at idle.
  2. promod63

    motor not idling down after rev

    Dave didn't you say you had a nitrous back fire? Check your throttle blades , they are most likely bent.
  3. promod63

    OSP Jim coming to dyno tune Friday A.M.

    Hey, Jim (Dynotech) Is your knock sensor stereo or mono??? LOL. Seriously, thou with all of the sophisticated electronics the trained human ear can detect knock quicker and better than most all of them. You just have to know what to listen for. That's why a knowledgeable dyno operator is so...
  4. promod63

    OSP Jim coming to dyno tune Friday A.M.

    I don't no what kind of test that was. It didn't seem to be a steady state test or a sweep test. It sounded like a O MY GOD I DON'T HAVE A BIG ENOUGH DYNO TEST!!! I don't think Dynotech will say that was a valid test unless you were able to make at least two pulls back to back within a couple of...
  5. promod63

    Need Mtn suspension help. Shock damage Need a rebuild or ?

    Call Kevin at KMOD He can hook you up. You wont find a better guy to work with. That's his suspension with Bully Dogs name on it. www.kmodsnowmobileparts.com
  6. promod63

    Blow off

    Who says it has to be mounted on the inter cooler. It can also be divorced. Think about it. ;)!
  7. promod63

    Just thought I should share this with you guys!

    No, To costly to build. I don't think very many people would want to step to the plate. Too bad because these are the only superchargers that can run with the turbos. (and beat them!!) But our Nytro might be cost effective to produce. Will see. There definitely a hit where ever we go. :die...
  8. promod63

    Blow off

    Yes, part throttle light load your blow off valve will be open and dumping unneeded pressure. Now your fuel controller thinks your naturally aspirated. I.E. better fuel mileage and better drive ability. :jump: :jump: :jump: :jump:
  9. promod63

    Just thought I should share this with you guys!

    Yep, Bigger Blower Turn It Slower!!! We normally ride at 20#'s boost. We have run it as high as 25. Our Thunder Chiller liquid to air inter-cooler helps out a bunch. Lots of fun as you well know. Not to many of us out there!!! :Rockon: :Rockon: :Rockon: :-o
  10. promod63

    Just thought I should share this with you guys!

    I second that!! But this one is spectacular. Twin Screw Apex ThunderCharger on our dyno. And then on the snow. Enjoy. :jump: :jump: http://www.youtube.com/watch?v=vmtJfItkV9g http://www.youtube.com/watch?v=4ovJVzRlmoQ http://www.youtube.com/watch?v=q_CAVCgV_XA
  11. promod63

    Supercharger or Turbo for my RX-1..?

    Clicky this link. Were getting closer. :die :die http://www.snowest.com/forum/showthread.php?t=71085
  12. promod63

    Engine guys.. Help??? What to do?

    Cut the oil filter apart. It will tell you if you have something going away that was oil related.
  13. promod63

    Thunder Racing Engines Supercharger

    Helmet cam vid. Enjoy. :jump: http://www.youtube.com/watch?v=4ovJVzRlmoQ
  14. promod63

    Thunder Racing Engines Supercharger

    Aproximatly 25 sec. to go from 4500 to 11000. And as promised here is a sneek peek of our new ThunderCharger for the Nytro. We also incorperated the Thunder Chiller liquid to air intercooler as well. We tried to design it with simplicity and durability in mind. So far their is only one hole to...
  15. promod63

    Boondocker fuel controller???

    We use the Boondocker controller on our Twin Screw Blown Apex and it works very well. Here is a video of a 19# boost pull from 4000-11200 rpm. Very smooth and easy to tune. http://www.youtube.com/watch?v=vmtJfItkV9g
  16. promod63

    Thunder Racing Engines Supercharger

    We are just finishing up our liquid to air inter cooler now. I think it will work really well. We are also working on a ThunderCharged liquid to air inter cooled Nytro that I think it's going to be a real hot rod. I'll have pics in a week or so. I don't want to show to much. Sorry, they are not...
  17. promod63

    PHAZER TURBO HEAD SHIM

    Straight 110 race fuel on the dyno at 13#'s. Customer is going to turn the boost down to 10 and try 91 gas. At this altitude it shouldn't be a problem. Any sea level guys having the same problem of no throttle response?
  18. promod63

    Testing last sunday.. VIDEOS...

    Love the Nytro plastic on that sled. It just looks Nasty!!! Good job. ;)!
  19. promod63

    drag race/ mountain suspension??

    Mike, check with Kevin at K-MOD. (208)681-0348. His suspension is similar to Holtz and he has some new transfer blocks that control when the suspension couples. We have been using his suspension for our supercharged sleds at 20#'s and it works very well. He even makes a supercharger\turbocharger...
  20. promod63

    Looking for photos of Apex trunk/seat mod for No2 bottle(s)

    Here is how we do it on the mountain sleds.


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