The biggest key is setting things up like silber tells you too... steer away from that and here come the problems! I have seen it before... then the social media bashing starts just to find out that your a dip **** and can't leave stuff alone
Silber turbo kit?
- Thread starter ullose272
- Start date
Ran one last year on an 850 Khaos. Pretty easy install and good fit and finish. For sure get a clutch kit from a reputable clutch guru. Adding bigger intake vents and a TSS bypass is a must. I could never get my sled to run without Det at 5lbs unless is was 50/50 Av and premium, I ride 5,000-7,000 feet. For the most part it was pull and go all season. I’d suggest not running one unless you have a little mechanical knowledge, clutch’s need to be cleaned more often and sled checked over more then a stock sled. Everything needs to be just right for the sled to run proper.
That being said the aftermarket guys are in trouble. The factory offerings run a lot better. I couldn’t get a Polaris boost so will be running a doo turbo this season. No comparison on how well the bottom end is on the doo turbo. Hopefully the boost sled is the same.
That being said the aftermarket guys are in trouble. The factory offerings run a lot better. I couldn’t get a Polaris boost so will be running a doo turbo this season. No comparison on how well the bottom end is on the doo turbo. Hopefully the boost sled is the same.
How
How was the increase in power at 5#? What elevation and fuel were you running?
I’m considering going straight to 7#.
How was the increase in power at 5#? What elevation and fuel were you running?
I’m considering going straight to 7#.
Bump. Any recommendations for a 2020 850cc with Silber at 7lbs? Getting a lot of DET even when running 20% race gas at 8-10,000 elevation. Sled only has couple hundred miles on it.
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How much weight in your clutches?
What’s the max rpm you’re hitting?
Have you tried 100% av gas?
Don't remember. Using appropriate silber setup for 8-10,000 feet.
Don't remember exactly, but seemed high-ish maybe 8500-8700?
No did not try 100% av. There are known drawbacks to that, and wanted to try run it closer to what the directions say. Have a trip coming up soon, and will add av/race as necessary, but the less the better.
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Don't remember exactly, but seemed high-ish maybe 8500-8700?
No did not try 100% av. There are known drawbacks to that, and wanted to try run it closer to what the directions say. Have a trip coming up soon, and will add av/race as necessary, but the less the better.
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I havent heard many good things about silbers clutching.
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Ditch silber clutching and talk to TRS.
Clutching is intertwined with fueling since fueling is dependent on several factors with operating rpm being one of them.
We got the kit on the way. Just exploring for any new news over the last year or so.
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RMK-King
Super-Moderator
The one in our group on 7lbs just runs 100% AV gas and then DET is a non issue. Even at 50% AV/91 it would hit DET sometimes.
RMK-King
Super-Moderator
There is a pretty considerable difference between 5# and 7#, I would go straight to 7 myself... It can be a handful at times haha.
The 850 needs alot more octane than an 800. Boondocker found this out and came out with different head. 850’s really like 100% Av at 4-8k feet. 800’s get by with much less octane. 50/50 at same altitude.
SMF is correct about proper clutching. Getting the proper loading on the engine with the correct clutch (and gearing) calibration to match the mapping, timing/boost etc is essential. Don’t forget the finger brake dragging
I like the 5lb spring the best.
#TCCSAxys
SMF is correct about proper clutching. Getting the proper loading on the engine with the correct clutch (and gearing) calibration to match the mapping, timing/boost etc is essential. Don’t forget the finger brake dragging
I like the 5lb spring the best.
#TCCSAxys
Is TRS’s that much better than Dan’s? Thinking about trying TRS’s if it is.
I really like indy specialty clutching for low elevation.
I’ve heard TRS clutching is better at high elevations.
Very similar “theory” in both setups with TRS being the guy developing AND testing all elevations vs indy dan developing and testing low elevations with lots of guys testing and reporting back from all elevations.
Dan being primarily an engine guy clutching second and TRS being clutching primarily and high elevation/ high elevation turbo specific.
Good to know, makes sense.
Thanks SMF!
Finger brake dragging? You mean like to keep it spooled up in the trees or something else?
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RMK-King
Super-Moderator
I know you asked about silber but have you looked at the mtntk kit? I just got mine on and it was very easy to install and comes with the tuner. 91 ethanol free with clutch kit and no knock. Not sure about the silber but the mtntk has no separate oil pump for turbo and integrated blow off. Very nice kit.
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