Finally going to Dynotechresearch.com!

CONGRATS! You are in tough company!!!
I watched whenever I had a moment, but never got to see a pull. I did get to see when you bent the needle. What exactly happened there? Are you going to be able to fix the reeds failing?
Are you going to go back? I was wishing I was there. It looked like a lot of hard work, but fun.
 

Thank you guys!

Kahunas, we got the reed issue figured out now, just sucked on the dyno swapping out broke petals, ate up lots of time. I'm currently having reeds built out of stainless steel spring steel slightly thinner than our stock reed fiber material, this will prevent the issue and are very simular to old stock Phazer 485cc "metal" reeds. Also reconfiguring my spring setup on Y-pipes to prevent the "wastegate" issue on pipes.

Dynotech Jim called me back on the way home and was frustrated about the issue and thought this package has 550 h.p. + in it, so I was invited back again. With that we made the appointment and will be back at Dynotech on Friday, November 27th, 2009. This sled will be ready to push 600 h.p.

We have jigs all configured and built to start producing limited quantities of these turbo kits in various stages, including complete motor packages. We have kits that are starting to be spoken for but will work with all inquires.

We had a great time in NY. Jim did a great 2 page tech story on www.dynotechresearch.com check it out! Also forgot to mention that this sled made 313 ft. lbs. of torque as well!
 
What ever caused the needle to bend? Was it from the reed problem? Did you straighten it, or did Jim have one?
 
Kahunas said:
What ever caused the needle to bend? Was it from the reed problem? Did you straighten it, or did Jim have one?
Click to expand...


Hey Kahunas, sorry I never replied to your post. The cause of the bent needle was from an entire reed pedal breaking off and hitting the tip of the needle then wedging in the carburetor throat instead of blowing out thru the exhaust port. Jim did have a spare which helped out.

I'm happy to report that I've worked hard the last 1-1/2 months to develope a new steel reed to take the abuse of our 2-stroke turbo engines. I worked with different types of material (steels) to develope a very strong pedal that will up hold to the abuse of extreme boost pressures. My turbo sled is ready to go back to Dynotech Research on November 27th. I took the time to teardown engine (AGAIN) and re-ring motor and inspect internal components, all looks great still and the Y-pipe causing the wastegate effect has been cured as well. Bottomend pilots were fattened up for jetting to eliminate lean pops too. At this point all should go great unless something catastrophic happens internally to the engine as I fully intend to push engine to 40 psi of boost as my modified internals seem very happy at 30 pounds. Only about 3-weeks 'til we hit the dyno once more. I orginally calculated my horsepower to be around 504 h.p. @ 30 psi of boost before my visit to Dynotech and it actually dynoed @ 508 h.p. so at this time my calculations are showing around 605 h.p. @ 40 psi of boost...can't wait!

Justin
 
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I'm excited to see this thing tear that record a new one!!!:3devil-sm:4fzfk2::4fzfk2:
I was wondering when you were gonna have it ready for the next trip there. :bowdown:
Good luck and post here as soon as you can.
 
600 hp Vmax-4... I´m speechless W O W

That is some serious oomph . CAnt wait for the reasults! I hope all goes well.

Ike
 
Getting everything loaded up today in the trailer and heading to Dynotech Research on Wednesday afternoon with the family. The Turbo sled is already to go and make some "huge" horsepower!

I have the issues that haunted us on our last visit taken care of. Pilot jets are now fattened up to rid of the initial lean pops, Y-pipes have extra high tension springs (12 per pipe) to prevent wastegate effect, and my new designed "steel based material" reeds seem to work excellent (I put alot of R&D on these).

If your a subscriber to Dynotech Research then you can watch the Horsepower Cam and Dyno Room Cam all day on Friday, Jim has the sound and cams ready. If your not a member you can join for I believe $25 per year @ www.dynotechresearch.com

I'll try to report back with results on Saturday if I can get a computer at the motel.

Hopefully, we can do all fellow Vmax-4 owners proud!
 
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World's most powerful snowmobile

Glad to announce that Justin has broken the HP record @ Dynotech today,putting out 558.9 HP with the old Dinosaur which is an amazing accomplishment and even better yet, without any failures and probably more power yet to be unleashed. 600 HP may still be in sight with a little more boost !!! Good Job Justin !!!! Curt
 
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:urock: :smilies-9:cheers::fest30:


I see they are done for the day. Are they testing again tomorrow, or did Justin go home? I hope someone recorded at least one dyno run. I wanna see and hear that.
 
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Testing is done.

Excellent job Justin. Congrats. You better make it up here this year for atleast one 2000' radar run!
 
Watched a few pulls.. Very solid repeatable runs.. Should be able to dial that thing in quite easy on the ice.. Now you have the HP record!! Time to get up here like Valin said and grab the top speed record.. Hope to see you here this winter..

Great work

Dan J.
 
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