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da_quack_meister
MMT Pro Member
Joined: Mon Sep 07, 2009 1:46 am
Posts: 200
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 GTR gear ratios I was curious to know if GT offers different gear ratio's like mud buddy. Or do you guys with mods just adjust at the prop, i.e. pitch and so on. Gonna get mods after the season, nothing drastic. heads cam and exhaust. I have a CDI motor and if I want to up the mods a bit, i would like to know if I could gear it up or down as needed, based on rev limiter.
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1854 Extreme CC w/ a 35 GTR a do everything machine!!!!
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| Tue Dec 20, 2011 9:39 am |
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deadbird8
MMT 1000 Club
Joined: Wed Feb 04, 2009 7:50 pm
Posts: 3833
Location: Old East Dallas, Texas
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Re: GTR gear ratios Order the high rev coils (4700 rev limiter) from BPS. W/ heads and cam you will be under those RPMs.
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Excel 1851F4 w/ MB35HD+R CDI with a little bit of this and little bit of that
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| Tue Dec 20, 2011 5:25 pm |
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brlcla
MMT F.E.
Joined: Tue Jan 13, 2009 5:11 pm
Posts: 955
Location: Lake Charles, LA
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Re: GTR gear ratios Talk to Mike at EVT about changing gears... it can be done but takes some modifications.
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| Tue Dec 20, 2011 6:24 pm |
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MaXXis85
MMT Elite Member
Joined: Wed Jan 14, 2009 7:23 am
Posts: 6233
Location: Tarkington, TX
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Re: GTR gear ratios
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Bayou Surface Drive
337-351-0362
Tarkington, TX 77327
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| Wed Dec 21, 2011 6:37 am |
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brlcla
MMT F.E.
Joined: Tue Jan 13, 2009 5:11 pm
Posts: 955
Location: Lake Charles, LA
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Re: GTR gear ratios
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| Wed Dec 21, 2011 7:42 am |
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MaXXis85
MMT Elite Member
Joined: Wed Jan 14, 2009 7:23 am
Posts: 6233
Location: Tarkington, TX
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Re: GTR gear ratios upper gear is attached to clutch and Reverse Bolts to gear. Yes If you change the lower pulley, you shim your motor to get the tension correct in the belt. If you are wanting more Mechanical advantage you would make the Lower pully have more Teeth.
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Bayou Surface Drive
337-351-0362
Tarkington, TX 77327
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| Wed Dec 21, 2011 10:05 am |
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drake1
MMT Addict
Joined: Wed Jan 14, 2009 6:57 am
Posts: 659
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Re: GTR gear ratios When you change the bottom pulley you will have to change the plate the motor mounts to. The plate will need to be 3/16" thick stainless or carbon steel to make up for the strength loss on the 1/4" aluminum plate.
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| Sat Dec 24, 2011 10:55 pm |
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MaXXis85
MMT Elite Member
Joined: Wed Jan 14, 2009 7:23 am
Posts: 6233
Location: Tarkington, TX
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Re: GTR gear ratios
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Bayou Surface Drive
337-351-0362
Tarkington, TX 77327
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| Mon Jan 02, 2012 7:28 am |
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deadbird8
MMT 1000 Club
Joined: Wed Feb 04, 2009 7:50 pm
Posts: 3833
Location: Old East Dallas, Texas
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Re: GTR gear ratios
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Excel 1851F4 w/ MB35HD+R CDI with a little bit of this and little bit of that
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| Tue Jan 03, 2012 7:04 am |
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