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Thread: Raptor 350 low end power?

  1. #1
    Join Date
    May 2008
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    orlando fl
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    Raptor 350 low end power?

    One of my friends has a raptor 350 and is wondering what mods work best to give it some more torque? He needs some low grunt to pop the front end up on woop sections of the trails. Just wondering if you guys have tried anything that worked really well. We are going to drop the front sprocket one tooth down .
    05' fan cooled 416ex, zrpilot's motor, GT Thunder 10.8:1 piston, GT Thunder HD headstuds, HD cam chain, HRC cam, GT Thunder 8 plate clutch, GT Thunder XC Port & Polish, GT Thunder XC CDI, terry cable throttle, 450r carb(48 pilot, needle 3rd from the top 178 main), white brothers e series pro-meg muffler, white brothers header,UNI, aluminum air box no lid, galfer ss brakes lines, houser +2 arms, TCS dual rate shocks with rezzies, lonstar +2 swingarm and +4 axle, LSR billet sprocket hub, tag fat bars, maier race plastics, kenda knarly mxr 18s kenda klaw mxf 20x6, spal 4" puller fan, 14/36 gearing and ..... Dual rate Axis rear shock, AMR monster coil, roll design +2 steering stem

    06' CC F-250 Diesel FX4 6" lift 20x12 welds 35x13.50 mickey thompson's 4" TB exhaust no cat 2 jl 10"

  2. #2
    Join Date
    Aug 2008
    Location
    grand river, ohio
    Posts
    28
    and go up 2t or 3t on the rear end and thing will POP!
    have fun or die trying!

  3. #3
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    May 2008
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    orlando fl
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    Are you saying to do this instead of dropping the front one tooth or do both...Drop the front sprocket down one tooth and add 2 teeth to the rear.
    05' fan cooled 416ex, zrpilot's motor, GT Thunder 10.8:1 piston, GT Thunder HD headstuds, HD cam chain, HRC cam, GT Thunder 8 plate clutch, GT Thunder XC Port & Polish, GT Thunder XC CDI, terry cable throttle, 450r carb(48 pilot, needle 3rd from the top 178 main), white brothers e series pro-meg muffler, white brothers header,UNI, aluminum air box no lid, galfer ss brakes lines, houser +2 arms, TCS dual rate shocks with rezzies, lonstar +2 swingarm and +4 axle, LSR billet sprocket hub, tag fat bars, maier race plastics, kenda knarly mxr 18s kenda klaw mxf 20x6, spal 4" puller fan, 14/36 gearing and ..... Dual rate Axis rear shock, AMR monster coil, roll design +2 steering stem

    06' CC F-250 Diesel FX4 6" lift 20x12 welds 35x13.50 mickey thompson's 4" TB exhaust no cat 2 jl 10"

  4. #4
    Join Date
    May 2008
    Location
    orlando fl
    Posts
    2,000
    PS: we will be dropping the rear tire size to 18in so that will kinda have the same effect as adding teeth to the rear sprocket.
    05' fan cooled 416ex, zrpilot's motor, GT Thunder 10.8:1 piston, GT Thunder HD headstuds, HD cam chain, HRC cam, GT Thunder 8 plate clutch, GT Thunder XC Port & Polish, GT Thunder XC CDI, terry cable throttle, 450r carb(48 pilot, needle 3rd from the top 178 main), white brothers e series pro-meg muffler, white brothers header,UNI, aluminum air box no lid, galfer ss brakes lines, houser +2 arms, TCS dual rate shocks with rezzies, lonstar +2 swingarm and +4 axle, LSR billet sprocket hub, tag fat bars, maier race plastics, kenda knarly mxr 18s kenda klaw mxf 20x6, spal 4" puller fan, 14/36 gearing and ..... Dual rate Axis rear shock, AMR monster coil, roll design +2 steering stem

    06' CC F-250 Diesel FX4 6" lift 20x12 welds 35x13.50 mickey thompson's 4" TB exhaust no cat 2 jl 10"

  5. #5
    Join Date
    Aug 2008
    Location
    grand river, ohio
    Posts
    28
    well this what i did, i went down 1t on the front and 2t on the rear and kept the 20in rear tires for the rough Ohio terrian( ground clearance). But i will warn you you will lose all top end speed. my current sprocket ratio is 15t /40t but that with a full stage 1 xc race rebuild.
    have fun or die trying!

  6. #6
    Join Date
    Jun 2007
    Posts
    227
    Go up a couple of teeth on the rear and try that alone first.

  7. #7
    Join Date
    May 2008
    Location
    orlando fl
    Posts
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    Dropping the front one tooth is like adding 3 to the rear so i figured it would be a cheaper easier away to achieve the same goal .
    05' fan cooled 416ex, zrpilot's motor, GT Thunder 10.8:1 piston, GT Thunder HD headstuds, HD cam chain, HRC cam, GT Thunder 8 plate clutch, GT Thunder XC Port & Polish, GT Thunder XC CDI, terry cable throttle, 450r carb(48 pilot, needle 3rd from the top 178 main), white brothers e series pro-meg muffler, white brothers header,UNI, aluminum air box no lid, galfer ss brakes lines, houser +2 arms, TCS dual rate shocks with rezzies, lonstar +2 swingarm and +4 axle, LSR billet sprocket hub, tag fat bars, maier race plastics, kenda knarly mxr 18s kenda klaw mxf 20x6, spal 4" puller fan, 14/36 gearing and ..... Dual rate Axis rear shock, AMR monster coil, roll design +2 steering stem

    06' CC F-250 Diesel FX4 6" lift 20x12 welds 35x13.50 mickey thompson's 4" TB exhaust no cat 2 jl 10"

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