HYB90RID
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- Jan 16, 2007
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Sup guys, Been on here for awhile but never really posted.
Had an 08 Nytro RTX FX short track with couple mods. Sold it. Now just bought 09 xtx sc
From what previous owner told me, I'm sure he is missing some stuff because he didn't know exactly what he was running for boost because it has been so long. Sled has been sitting awhile
Says Modified MPI Stage 1. Intercooler, Intake, Bov, Upgraded Fuel Pump, upgraded injectors, Turbosmart boost controller, Pistons and rods, head shim, some mild head work, Gems computer, prologger. MBRP header, clutch work. Says all the work has been done by Dave "Hurricane" He was running mix of pump and race fuel. From what I can see the lower pulley is 33T and top 23 if that makes any sense. If so how much boost am I pulling? I'm at sea level. Haven't really run it, not much snow, no room and since it has old gas I don't want to blow it up. Do you think I will be ok just emptying the gas and putting fresh pump? Do I need to change the pulleys and other things? I pretty much just do trail riding. I want to be able to just gas up with 91 hammer on it and not have any issues. He did include some other pulleys and clutching parts.
Thank you
Had an 08 Nytro RTX FX short track with couple mods. Sold it. Now just bought 09 xtx sc
From what previous owner told me, I'm sure he is missing some stuff because he didn't know exactly what he was running for boost because it has been so long. Sled has been sitting awhile
Says Modified MPI Stage 1. Intercooler, Intake, Bov, Upgraded Fuel Pump, upgraded injectors, Turbosmart boost controller, Pistons and rods, head shim, some mild head work, Gems computer, prologger. MBRP header, clutch work. Says all the work has been done by Dave "Hurricane" He was running mix of pump and race fuel. From what I can see the lower pulley is 33T and top 23 if that makes any sense. If so how much boost am I pulling? I'm at sea level. Haven't really run it, not much snow, no room and since it has old gas I don't want to blow it up. Do you think I will be ok just emptying the gas and putting fresh pump? Do I need to change the pulleys and other things? I pretty much just do trail riding. I want to be able to just gas up with 91 hammer on it and not have any issues. He did include some other pulleys and clutching parts.
Thank you
Last edited:
scuba_nytro
Veteran
- Joined
- Feb 1, 2011
- Messages
- 45
- Reaction score
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- Location
- Ontario
- Country
- Canada
- Snowmobile
- 2009 Nytro RTX MPI Stage 1, Hindle Exhaust, Evolution Re-flashed ECU, Ulmer Clutch Kit, Split Rail Skis, etc.
I would contact Dave at Hurricane in Prescott Ontario and see if he remembers the build, has been a great guy to deal with every time I have contacted him. Lots of variables there. Compression ratio, boost, fuel mapping etc. I just put 28 T lower and 27 T uppers on my stage one kit with fuel pump upgrade and evolution's remapped ECU, should be around 6 psi plenty safe on 91. Best of luck. Hope winter shows up soon.
