maxwell
Active VIP Member
always room for improvement im sure. But lake racing isnt where you would decide how to make those changes.
T850 trenching
- Thread starter scotts
- Start date
always room for improvement im sure. But lake racing isnt where you would decide how to make those changes.
maxwell
Active VIP Member
lmaooooooooooooooooo
How can you race a Turbo sled that has maxed out gearing at 111 Kms down a lake for 1 Kilometer, with clutching that is off at that altitude and expect to beat anyone ?
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Teth-Air
Active VIP Member
When we went to the higher altitude 7500 ft) and it was steep and deep it felt like it had no more power or pull than my Poo. I was telling it like it is and trying not to be biased. I do like somethings about it but not the things I expected.
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Clutching isn't off. Remember it is clutched for 165hp at all altitudes....
maxwell
Active VIP Member
Ok man LOL. The sled is noticeably faster than any stock machine you must have one special RMK Lmao. That or I’m thinking you don’t really understand the term steep and deep.
watch this and tell me the clutching is not off. peak HP 7700 RPMS, next you will tell me his dyno is off. check Neil`s and powderfreaks dyno they all say the same peak HP.
https://www.youtube.com/watch?v=8dOsJQd1LM8&t=2s
Teth-Air
Active VIP Member
It should be noticeably faster but if it was, barely. And as far as clutching and gearing goes the owner of the Doo did say it sat at 7900 rpm across the lake and felt like it was being held back at that rpm. Maybe it has something wrong with it?? It felt like it was running fine when I rode it on the trail and at 7500 ft in a bowl.
It certainly does keep going at that point where the other NA g4's seem to hit a speed wall.
pfi572
Active VIP Member
What you’re saying is what every ski doo I have seen in stock form does .
It just amazes me that a huge percentage think it’s awesome. Lol
Didn't say the clutching wasn't off, I said it wasn't off due to altitude, which was your claim.
Caper11
Active VIP Member
They are. Get that turbo loaded up on a deep hill and see where the difference is.
Your probably comparing a fully box stock sled to a setup NA sled.
That turbo basically has the same clutch setup as a NA 850, some guys that have changed out the secondary setup on a NA 850 have seen an impressive difference in performance. That turbo secondary setup is what guys were running in the mid season of 2017.
HP means squat to me if the power is not getting to the ground properly. Rpm does not necessarily mean good trackspeed.
For a out of the box sled its an impressive piece of engineering, it will be even more impressive when guys start to tinker with them.
Caper11
Active VIP Member
Yep, get the pipe hot and see where the peak rpm is.
maxwell
Active VIP Member
id like to see dynotechs results first before dropping to 7800 because of bikemans results lol
of course it felt like it was being held back, he was out of gearing. its only good for 69 MPH, and with the turbo`s power it would be maxed out very fast.
Teth-Air
Active VIP Member
My 174 is geared for 112 kmph at 8200 RPM. On the first race I pulled ahead and stayed there, Later he got me off the line as I was not paying attention and then I stayed even with his back bumper all the way. Yes gearing will limit top speed but we were in fresh snow and neither sled went full speed as if you were to hit a track it would speed up noticeably.
maxwell
Active VIP Member
betcha the wastegate didnt release after that drag. Think about it. you were basically drag racing a factory 850
Teth-Air
Active VIP Member
Should it not have accelerated faster than a N/A sled?
maxwell
Active VIP Member
that snowmobile is reading more sensors than anything else on the snow and making thousands of calculations per second as to how that boost comes on. Thats all im going to say about that.
also, 174 vs 165 your going to have more traction out of the hole. next time, try easing into the throttle in a drag race rather than putting it to the bar. See what happens
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