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    CV-tech clutches
    #1
    Protodie Master and Vendor ProtoDie's Avatar
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    May 2005
    Location
    S.W. Michigan
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    2,656
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    we have been using CV-tech clutches on our horizontal shaft engine builds.
    they work awesome.
    this is what we used on our last build, 714lb 2 seat buggy with 21hp Honda engine.

    SS630R

    I am a dealer for these, but do not have them on our website yet so thought I would share specs and available options here

    5 to 22 hp

    Ratio
    Min 3:1 Max achievable 0.45:1

    Drive clutch / Primary
    3/4 and 1" shaft
    7.6" diameter

    List price $325

    Driven clutch / secondary
    5/8, 3/4, 7/8, 1" shafts available
    7.8" diameter
    list $180

    Cv-tech belts 1.215" wide list $75
    , center to center distance
    7.874
    8.898
    9.094
    9.528
    11.772
    if longer is needed
    RZR 570 belt works too, this is on the SS630R
    12.225 C to C

    clutches and belt package list price is $580

    The package price thru Protodie is $530

    they should be available on our website in a week or so
    or you can email me protodie@protodie.com

    they have higher horsepower clutch options too for 15 to 35 hp
    and snowmobile , UTV clutches too
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    Re: CV-tech clutches
    #2
    Protodie Master and Vendor ProtoDie's Avatar
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    May 2005
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    S.W. Michigan
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    2,656
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    15 to 35 hp

    Ratio
    Min 3:4 Max achievable 0.77:1

    Drive clutch / Primary
    1" and 1 1/8" shaft
    7.6" diameter

    List price $470

    Driven clutch / secondary
    3/4, 7/8, 1" shafts available
    9.80" diameter
    list $390

    Cv-tech belts 1.295" wide list $100
    , center to center distance

    9.370
    11.142
    12.260

    clutches and belt package list price is $960

    The package price thru Protodie is $850
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    Re: CV-tech clutches
    #3
    Default
    Cool! I had to buy one through my old baja team direct from CVtech... had no idea how to get one through proper channels!
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    Re: CV-tech clutches
    #4
    Protodie Master and Vendor ProtoDie's Avatar
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    S.W. Michigan
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    they are up on the site now

    CV Tech Clutches
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    Re: CV-tech clutches
    #5
    Super Moderator Wheels's Avatar
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    Feb 2009
    Location
    Baton Rouge area
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    1,851
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    Quick question regarding the following info:

    Ratio
    Min 3:4 Max achievable 0.77:1

    Trying to understand clutch ratios... I currently have 20 inch racing quad tires on my buggy. I have a ratio of 7.something without the clutch taken into account. I have the sprockets to change my gear ratio up to 13:1. How would the ratio above come into play? Adding 26 or 28 inch tires to the mix, so I'm trying to decide on gearing.

    any help would be appreciated.
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    Re: CV-tech clutches
    #6
    Senior Member SuzukiSteve's Avatar
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    Dec 2014
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    Saskatchewan Canada
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    109
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    Been using a CVTech clutch for six years on a '76 yamaha snowmobile I repowered with a 25hp subaru v-twin. Works great!
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