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  1. General Discussion
    Hi fellas !! I’m posting this here since my question doesn’t relates entirely within any models specific forum sections. My question is : except for the turbocharger and cams "my guess is it’s the same head/ports but turbo specs cams in the turbo version" what’s the differences internally ...
  2. 4-TEC Turbo Classifieds
    Hi guys . Made up my mind on going with Motec for my turbo. Been talking to Martin. Figured I'd see if anyone has a used Motec M400 with or without harness for Skidoo 1200 before I go new. If anyone has one and was waiting until next season to sell it. Or if you know someone who has one for...
  3. REV-GEN 4 & 5- Summit/Freeride/ 850 Turbo
    I am currently riding a 2020 Backcountry XRS 154 with a 2 1/2" track that I ride off trail 85% of the time and I have enjoyed it so much that I want to add a 165 to my stable for 100% Backcountry/Mountain riding. I have wanted to go the Freeride route, mostly because of the front shock package...
  4. Precision EFI
    Precision EFI offer 2 options possible when you want to add Blow off valve to your Skidoo 900 Ace turbo Blow off valve kit https://precisionefi.myshopify.com/collections/900-ace-turbo/products/900t-bov Charges tubes with Blow Off valve...
  5. 4-TEC Turbo Talk
    Ok so I picked up this part pictured below and I'm not sure anymore what its for. I think it's a bypass or computer hack for something. Secondly I have a slight idle issue on warm-up. I'm wondering if it is a mapping issue or a computer safety issue. I have 1000cc injectors and we are thinking...
  6. REV-XR/XS Chassis: 4-TEC 1200 Perf. & Trail Models
    Ok so I picked up this part pictured below and I'm not sure anymore what its for. I think it's a bypass or computer hack for something. Secondly I have a slight idle issue on warm-up. I'm wondering if it is a mapping issue or a computer safety issue. I have 1000cc injectors and we are thinking...
  7. REV-GEN 4 & MACH (wide body) 4 stroke & Turbo
    So I'm wondering about the projected/expected longevity of the 900ACE Turbo engine. Anyone have any idea how many miles roughly one can expect out of it? Anyone with a 1st or 2nd year model able to answer any questions about this? Anyone with some serious miles on theirs yet? I have to think...
  8. Sledding - General Discussion
    hi folks - random comment from a new Expedition SWT 900 Turbo Ace owner (central Vermont).... Bought it to groom xc trails -- my kids run old (1980/90) Polaris sleds - still run well actually. Expedition is absolutely awesome - obviously can't compare it to other sleds. Run it on steep...
  9. 4-TEC Turbo Classifieds
    I have for sale 1 Power Commander PTI 1 Auto tune with sensor 1 Pod 300 $400 obo -Power commander pti -Auto tune (you will need to buy a bung for the sensor and have it welded In) -Display pod 300 (you can data log and see different parameters and do a little bit of fuel change)
  10. REV-GEN 4 & 5- Summit/Freeride/ 850 Turbo
    Hey Hey Everybody! So I got my FIRST EVER SLED on the way FINALLY!! It's seriously been about a decade of waiting but this years the year. I bought land in Revelstoke, then thru my build downpayment in the weedstocks and bought 46 acres in Valemount so I'll be riding between the two for years...
  11. REV-GEN 4 & MACH (wide body) 4 stroke & Turbo
    Okay what's everyone running for clutching on their 205 hp tuned turbo. I have a Dalton 901 Pro tuner Kit with 82.4 grams and Cudney clutch kit. The Cudney kit works great but need options for softer secondary spring...I notice too much engine braking with the kit. What's working for everyone.
  12. 4-TEC Turbo Classifieds
    2018 x package black Renegade 1200, r motion, pilot skis Dual rate front Spring kit, ( Front Suspension) Cobra 1.352 track, 2 ply, 4th wheel kit, in R motion Carbide studs w/ double alum backers 28 Tooth top gear/ reverse 43 tooth bottom gear 106 chain, JUST REPLACED 12/18 ENGINE -Low...
  13. REV-GEN 4 & 5 MXZ Perf. Trail 129/ Renegade 137
    Engine for Renegade? 850 or 900 TurboEngine for Renegade??850 E-TEC (2-Stroke)10151.01%900 ACE Turbo (4-Stroke)9748.99%
  14. Mountain Turbo Talk
    Looking at getting my motor rebuilt on my 2015 XM 163 T3 with an Impulse turbo. Wondering if any of you guys have experience with certain shops or recommendations on which internals to run. Looking to build a reliable turbo specific block. Im leaning heavily towards SHR for the build. Thanks!
  15. 4-TEC Turbo Classifieds
    Full Power Performance Stage 1 turbo system, complete bolt on setup including many extras. FPP trail muffler, FPP QRS support brace, mag side solid motor mounts, PB 80 primary clutch (has a few marks on sheaves from pivot pin bolt), 38 tooth gear with chain. Gauges include Dynotune boost gauge...
  16. 4-TEC Turbo Talk
    I am geting my Motec dailed in pretty good now and want to add antilag. Anyone that have made it work good that want to share their file or pics off the set up with me? Have a bit big turbo so i think the antilag will help me get some better launches if i want to go dragracing this winter...
  17. REV-XR/XS Chassis: 4-TEC 1200 Perf. & Trail Models
    Ok so i have i idea and mind and a engine on the way i want to get a xp chassis nearly complet to do my project . So the first thing i think i need to change is the e module and engine support Everything wirering is ok i have figured it out but im blocking after the e module and engine mount ...
  18. General Discussion
    https://www.snowtechmagazine.com/154-hp-900-ace-turbo/
  19. REV Chassis - Performance and Trail Models
    Hi guys i am wondering what size of turbo i should run on my 05 500ss. I was thininkg about a polaris fst turbo since it's small and i could find one easily. Also what kind of bost could i run on pump gas? I'm at only 500-1500 ft over sea level. I know it will be hard and all.. I dont want...
  20. 4-TEC Turbo Classifieds
    Full power performance stage 1 turbo kit tuned by FPP at their shop in Little Valley, NY. Makes 6 to 7 psi of boost running on 91 octane fuel. 220ish HP on the dyno. Many other custom parts installed: - Yamadoo clutch - Solid motor mounts - Secondary brace and clutch kit - Air box delete kit...
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