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HCS Snowmobile Forums > Snowmobile Forums > Polaris General Discussion > FST/4 stroke
Hemidude
Turbo kit installed
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Extra venting in right side belly pan
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Stainless steel header
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Manual boost controller
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Innovate in dash beside boost guage
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FreezerBurnt
very nice grin.png
Turk
Typical stuff us turbo yammie guys have been doing for 3 years. A wide band A/F ratio guage( don,t let it get over 12 at wot!) & a boost controller with a boost guage. Been der dun dat 2 years ago on a yammie!!!!!
strangeland2
QUOTE(Turk @ Apr 1 2007, 01:30 AM) *
Typical stuff us turbo yammie guys have been doing for 3 years. A wide band A/F ratio guage( don,t let it get over 12 at wot!) & a boost controller with a boost guage. Been der dun dat 2 years ago on a yammie!!!!!



Hemidude
QUOTE(Turk @ Apr 1 2007, 01:30 AM) *
Typical stuff us turbo yammie guys have been doing for 3 years. A wide band A/F ratio guage( don,t let it get over 12 at wot!) & a boost controller with a boost guage. Been der dun dat 2 years ago on a yammie!!!!!


So you have "COPIED" other sledders R&D for your lamaha. We are the pioneers of R&D for these sleds we don't take the easy way and copy others work.

And you are here on this board why?????????

Got sandbox!!!!!!
skronker
WOW.. that thing must just BUCK haha
how fast did ya get er?
and how much for the whole set up (the cost of the sled and all)
and what doese the rpm's sit at while at full throttle?

and i know that you beat the living lammas outa them lammahas, but how bad may i ask haha?
skronker
WOW.. that thing must just BUCK haha
how fast did ya get er?
and how much for the whole set up (the cost of the sled and all)
and what doese the rpm's sit at while at full throttle?

and i know that you beat the living lammas outa them lammahas, but how bad may i ask haha?
Oxygen
looks awesome!
Hemidude
QUOTE(myIQis600cc @ Jul 10 2007, 10:43 PM) *
WOW.. that thing must just BUCK haha
how fast did ya get er?
and how much for the whole set up (the cost of the sled and all)
and what doese the rpm's sit at while at full throttle?

and i know that you beat the living lammas outa them lammahas, but how bad may i ask haha?


I only had the sled working PERFECT one day last season, but that one day was so incredable I'm still smiling. Taught a few guys a lesson on what the FST will do.
Stock M1000, 900KK pipped and 1050 kit, pipped 900 Poo, 1000RT piped and shaved head.

Highest RPM I've seen and I'm not totally convinced computer is lieing to me was 8950
I'm gear down to 2.19 ratio for the mountians.

I paid around $11k taxes in for sled brand new and turbo kit to buy would be about $4500. Cdn.
You can still buy 06 sleds brand new still in the crate for around $7k

Better than $25k to $50k for a turboed yammy

L8TR: Hemi
Too Slow
Not sure where your getting those $$ figures on the yammies but our guys i ride with have less than 18k invested in theirs...and that includes everything from track studding to the actual turbo.
Hemidude
QUOTE(Too Slow @ Jul 30 2007, 11:17 AM) *
Not sure where your getting those $$ figures on the yammies but our guys i ride with have less than 18k invested in theirs...and that includes everything from track studding to the actual turbo.


I've rode with guys that have $50K in their Yammy's And yes they are impressive buuuuuttttttt are they haveing $25K to $30K more fun than me? NO!!!!
machz69
QUOTE(Too Slow @ Jul 30 2007, 11:17 AM) *
Not sure where your getting those $$ figures on the yammies but our guys i ride with have less than 18k invested in theirs...and that includes everything from track studding to the actual turbo.

wow how can that be?.. around here thats just about the price of just the sled never mind the turbo+taxes+instalation
Too Slow
QUOTE(machz69 @ Aug 4 2007, 02:10 AM) *
wow how can that be?.. around here thats just about the price of just the sled never mind the turbo+taxes+instalation

All i can tell you the guys bought three apex's together for a little over 9 g's apiece in new york...two of the guys then bought into the turbo deal for about 5 g's each...as far as i know they did most or all of the install work themselves...being very cabable of this type of work already. Believe the rest is from whatever extra labor... accessories and tax's. They told me around 18 g's last season...i didn't doubt them. Sleds are ridden everywhere with some minor issues concerned with overheating and fuel quality. Its mind blowing how fast these sleds can cover a 1/2 mile or more of open area.
mr.prox
those numbers of 30-50k are to lighten them up so there in the sub 1 ton range. the 18k is about right for a stock sled with a turbo. no light weight parts at all.
Too Slow
QUOTE(mr.prox @ Aug 13 2007, 06:15 PM) *
those numbers of 30-50k are to lighten them up so there in the sub 1 ton range. the 18k is about right for a stock sled with a turbo. no light weight parts at all.

Exactly...their sleds are not those light weight lowered pro-stocks...just all purpose trail machines like the fst. I think they are even heavier than the fst.
Octane
QUOTE(Hemidude @ Jul 29 2007, 12:42 AM) *
Better than $25k to $50k for a turboed yammy

Not to mention the fact that with the FST you have a suspension that wont need to be rebuilt every year and the pride of owning an American-made sled. flag_usa.gif
1RMDave
curious as to what you are using for fuel management...
Hemidude
QUOTE(1RMDave @ Mar 27 2008, 01:24 PM) *
curious as to what you are using for fuel management...


Stock fuel management, works extemely well, I will give credit where it's due. They got the fuel management right because it has such a wide range.
1RMDave
QUOTE(Hemidude @ Apr 1 2008, 10:34 AM) *
Stock fuel management, works extemely well, I will give credit where it's due. They got the fuel management right because it has such a wide range.



Wow so basically you could change the turbo and up the fuel pressure alittle to compensate? I'm assuming then that the sled runnings in open loop on a wideband o2.
Hemidude
QUOTE(1RMDave @ Apr 1 2008, 03:06 PM) *
Wow so basically you could change the turbo and up the fuel pressure alittle to compensate? I'm assuming then that the sled runnings in open loop on a wideband o2.


YES

Sorry haven't been on this board for a while.
guyp
QUOTE(Hemidude @ Jul 23 2008, 02:48 PM) *
YES

Sorry haven't been on this board for a while.


Is there a way to up the boost a couple lbs using the stock turbo via a variable boost controler or ECM reflash? Just looking for a little more for the type of riding I do. I have an 06 FST.

Thanks

Guy P
7zPolCatRacer
QUOTE(guyp @ Jul 24 2008, 07:51 PM) *
Is there a way to up the boost a couple lbs using the stock turbo via a variable boost controler or ECM reflash? Just looking for a little more for the type of riding I do. I have an 06 FST.

Thanks

Guy P


Guy, make sure it has the 08 reflash done to it. There is hard codes in the ECM that do not allow, even the poalris engineers, the boost to go over what it does(19lbs I think) for 4 seconds on the 08 reflash.

Carl
guyp
QUOTE(7zPolCatRacer @ Jul 25 2008, 02:43 PM) *
Guy, make sure it has the 08 reflash done to it. There is hard codes in the ECM that do not allow, even the poalris engineers, the boost to go over what it does(19lbs I think) for 4 seconds on the 08 reflash.

Carl

Thanks Carl. Let me know when you go to NED so I can check your sled out.
multi sled
QUOTE(machz69 @ Aug 4 2007, 02:10 AM) *
wow how can that be?.. around here thats just about the price of just the sled never mind the turbo+taxes+instalation
well i can go right down the road to the local dealer and pick up 08 nytro that's been supercharged,track extended to 136",196 studs,clutched, geared,bigger tank,for the grand total of 14000$US.and that will give you two horsepower levels,210, 245.now put that in your pipe and smoke it.
Hemidude
QUOTE(multi sled @ Jul 26 2008, 06:48 PM) *
well i can go right down the road to the local dealer and pick up 08 nytro that's been supercharged,track extended to 136",196 studs,clutched, geared,bigger tank,for the grand total of 14000$US.and that will give you two horsepower levels,210, 245.now put that in your pipe and smoke it.


So you reply to a YEAR OLD POST after someone else does all the R&D for you and then advertise a last years sled price.

And you are on this thread WHY?

Some peoples kids!
Hemidude
QUOTE(guyp @ Jul 24 2008, 07:51 PM) *
Is there a way to up the boost a couple lbs using the stock turbo via a variable boost controler or ECM reflash? Just looking for a little more for the type of riding I do. I have an 06 FST.

Thanks

Guy P


As you can see I don't have the stock turbo, I can adjust mine up to 20 lbs of boost.

The stock turbo other than the 08 reflash I don't think can be done.

guyp
QUOTE(Hemidude @ Aug 2 2008, 02:25 PM) *
As you can see I don't have the stock turbo, I can adjust mine up to 20 lbs of boost.

The stock turbo other than the 08 reflash I don't think can be done.

I see that your turbo isn't stock, but are you using the stock ecm for timing fuel mapping? If so, how do you get by the ecm reading the boost and adj. for fuel and timing?

Thanks

Guy P
Hemidude
QUOTE(guyp @ Aug 3 2008, 10:36 AM) *
I see that your turbo isn't stock, but are you using the stock ecm for timing fuel mapping? If so, how do you get by the ecm reading the boost and adj. for fuel and timing?

Thanks

Guy P

Yes stock ECM 08 reflash.
One of my friends in the US talked to a programer with Bosch. My friend was told (disclamer: could be rumor) there is such a wide band in the programing it adjusts for more air by adding more fuel. Now I was NOT told how it's done but I BELIEVE it's controlled by the MAP sensor.
I have thought about putting in the bigger injectors or adding a injector to the charge pipe of the turbo (past inner cooler) hocked up to a MURPHY switch to dump more fuel in at wide open throttle.
When I crank up my boost I watch the Inovate (air fuel ratio guage) to make sure I don't go lean. At 20 lbs it's still reading 15.1
I leave the electrics hocked on the waste gate controller but have the vacum line to the MANUAL waste gate valve which I control.
Zornigvw
QUOTE(Hemidude @ Aug 4 2008, 05:57 PM) *
At 20 lbs it's still reading 15.1


Hemidude,
That afr of 15.1 at 20lbs of boost is not good at all. I suspect that the ecu is detecting knock and pulling timing with those numbers. That is something I sugest you address as soon as possible.

Jim
Hemidude
QUOTE(Zornigvw @ Aug 6 2008, 08:20 PM) *
Hemidude,
That afr of 15.1 at 20lbs of boost is not good at all. I suspect that the ecu is detecting knock and pulling timing with those numbers. That is something I sugest you address as soon as possible.

Jim


That is the leanest it has ever been ( usually around 14.2 to 14.3 at 15 lbs boost ) and has run perfect for 2 years like that.

I don't run all day at 20 lbs only when some other sledder needs to learn a lesson. smiley-faces7.gif

Usually around 12 to 15 lbs is a good day.

I just looked at your pictures in your photo album, your a busy guy.
Hemidude
QUOTE(Hemidude @ Aug 7 2008, 02:40 PM) *
That is the leanest it has ever been ( usually around 14.2 to 14.3 at 15 lbs boost ) and has run perfect for 2 years like that.

I don't run all day at 20 lbs only when some other sledder needs to learn a lesson. smiley-faces7.gif

Usually around 12 to 15 lbs is a good day.

I just looked at your pictures in your photo album, you're a busy guy.

In one of your pictures you have it named "notch" is this the cover over computer wiring harness below throttle bodies on FST?
Zornigvw
yes that notch is for a cover over the jackshaft. It rubs on a sensor under the throttle bodys and will short it out. The MY08 come with this already notched.

btw I have programing coming for the FST
Polaris Kid XCR 700
Is it much work to get behide the dash for the gauge install. And what type of muffler is that and how loud is it, anymore power. Bill
Hemidude
QUOTE(Polaris Kid XCR 700 @ Aug 10 2008, 03:55 PM) *
Is it much work to get behide the dash for the gauge install. And what type of muffler is that and how loud is it, anymore power. Bill


Not sure who you were asking the question of so I'll jump in and give an answer.

It is quite easy to put in a boost guage , just pull back some insulation and look for yourself.

I got a muffler from Turbo Al @ Sled Shed in Revelstoke B.C. Canada his mufflers are called "THE THING"

Try this for sound: http://www.putfile.com/calgaryhemidude

There are other companies building them just do a search. I believe SLP makes one and there is a guy on this board who builds a good one.

Most of these mufflers are louder than stock but weight a lot less also. Stock muffler 29 1/2 lbs, The Thing 4 1/2 lbs. Power will be the same. Watch you don't melt your side panel.
guyp
QUOTE(Zornigvw @ Aug 7 2008, 05:48 PM) *
btw I have programing coming for the FST


thumbsup.png Can you elaborate? What kind of programing? You have my attention! hear_no_evil.gif

Guy P
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