maxwell
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your right i didnt, i quit worrying about that last century LOL
Are there trees
- Thread starter Longhairfreak
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your right i didnt, i quit worrying about that last century LOL
- Thread starter
- #22
Longhairfreak
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You have no idea what you are leaving on the table this century. Including the new 850T!
pfi572
Active VIP Member
That’s the thing when you spend over a $1000 on a pipe that makes power ?
Is it really making that much more power then a stock sled if you could just lean the stock one down some ?? Probably not !?
Is it really making that much more power then a stock sled if you could just lean the stock one down some ?? Probably not !?
no you can remove fuel with a boondocker
On my jaws pipe, I removed fuel from the bottom and mid range, and added a bunch on top, and yes it makes power. The pipe scavenges better than the OEM pipe.
pfi572
Active VIP Member
Thank you .
If adding fuel it’s making more . But what about the fellas that aren’t running something that can add fuel ?
Are they running lean ?
The jaws pipe is obviously leaning the motor down with stock tune ?
Lund
Active VIP Member
Everything Clode has said on this thread relating to fuel and controller is 100%.
During the days of jetting, sleds were jetted way fat for temperature and elevation use, plus the BRP's DPM system was a joke. Most all of them ran poorly and rich, best thing to do was strip the DPM off and jet properly.
Glad those days are gone.
During the days of jetting, sleds were jetted way fat for temperature and elevation use, plus the BRP's DPM system was a joke. Most all of them ran poorly and rich, best thing to do was strip the DPM off and jet properly.
Glad those days are gone.
maxwell
Active VIP Member
i never had a sled from 2000 to 2010 that ran poorly because of DPM?
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- #29
Longhairfreak
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Lund
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Are you the same Maxwell that post on S&M on what is wrong or was it how to fix his turbo???? Something about coolant in the cylinders??
Seriously dude, do you even know what a carb jet is?
I highly doubt you would know what a poorly running sled sounds like from your previous ask for help posts inquiries put on here.
BTW, did you finally find someone to fix that turbo
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maxwell
Active VIP Member
I will admit i dont know everything about Mechanics. But i know the XP,XM,850 inside out pretty well. Turbos are new to me in the last 4 years. My big turbo had a coolant issue, I was drove nuts trying to figure it out so i came on here for advice as i had tried all of the regular items. Turned out to be a Pin hole leak in the brand new cylinder i got from CVTECH. Not my fault. Sled runs phenomenal now. Just had it out 2 weeks ago.
Thanks
Lund
Active VIP Member
Well, I apologies for being such an ass but I assure you the earlier DPM system's had issues. In 08 XP model year they had them pretty much figured out.
Glad you got the turbo fixed.
Every EFI 2 stroke that runs on an open loop fuel program can benefit from a tuned map for that engine. The OEM fuel maps are very "safe" to lower potential warranty claims. The reason for the overly "safe" fuel curve is to allow a margin of error for poor fuel quality etc. For the average sledder who isn't mechanically inclined or have good fuel all the time this is fine.
Jaws offers pipes now for some sleds and claim no fuel controller is needed. A fuel controller isn't required but the pipe would work even better with one, that is why the fuel controller is an option. The stock fuel maps are so rich that Jaws has found their pipe will perform with it and add HP. A fuel controller will unlock a little more HP.
On my sled 16' M8000, with Jaws pipe into the stock can, modified intake, I know spin 72gram weights at 8500rpm at Renshaw. Before the pipe and fuel tuning 70 grams at 8050 at Renshaw. I burn less fuel now than stock sled in roughly the mileage and conditions. Win Win.
So think about this, does your sled leave a black mark in the snow? Does it seem to use a lot of fuel on the trail ride in? My sled no longer does either. My AFR was 10.8 at trail cruise speed, crazy rich. Reduced fuel to see 13.8-14.2 on the light load trail cruise. At WOT stock it was 11.0, again way to rich. With the pipe I am running 12.3-12.7 at WOT and it pulls like crazy.
I did do some stock engine AFR monitoring before I pulled the stock pipe just for reference. Very rich. So before buying a fuel controller for your sled throw a wideband on an see what the AFR is. I am doing this next winter to my friends 800 sks, it blackens the snow something terrible at elevation. If it's really rich i will tune it.
pfi572
Active VIP Member
^^^^
Exactly , but my point is ? Just add controller and reduce the fuel and tune stock pipe as you have with the Jaws pipe ?
The jaws pipe makes hp and tq for sure with your tuning ? but how much more would it make over the stock tuned set up is my point .
If you don’t run controller with the pipe I say your missing out on performance and with just reducing fuel management on stock pipe you will see gains and better performance without just bolting a pipe on .
- Thread starter
- #35
Longhairfreak
Active VIP Member
lmao!!!
There are gains to be made with a stock pipe also with fuel tuning.
maxwell
Active VIP Member
Laugh it up my XM turbo would lay a spanking on anything youve got at 8000ft where the trees dont grow
- Thread starter
- #38
Longhairfreak
Active VIP Member
Lmao!!! My sled climbs at 40 mph at half throttle.
maxwell
Active VIP Member
Maybe in spruce grove. Your not gona get 80Mph trackspeed in deep snow at elevation like i am. Sorry
- Thread starter
- #40
Longhairfreak
Active VIP Member
If I geared my sled the same as the 850T at 8000 ft I would blow the belt as fast as I could squeeze the throttle. Just like jetting you are clueless as to how gearing and clutching work.
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