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toddh
MMT Pro Member
Joined: Wed Jan 14, 2009 2:00 pm Posts: 428 Location: Hammond, LA
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 RPM Help
I have a 35 MD HD Stage 2. New prop pitch (1.5") added by Baggy's. I am hitting the rev limiter at 5200 RPM's. I think the gears are stock. Should I have the prop worked more or change gears? Hull is a 19 x 48 Mad Man square chine. I am running 33-34 at 5000+ rpm's. I have a 5200 max rev limiter.
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Sat Jun 11, 2016 10:52 am |
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cb5331
MMT Super Elite Member
Joined: Fri Dec 18, 2009 8:10 pm Posts: 16915 Location: Rowlett, TX
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 Re: RPM Help
Change gears
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Sat Jun 11, 2016 10:57 am |
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toddh
MMT Pro Member
Joined: Wed Jan 14, 2009 2:00 pm Posts: 428 Location: Hammond, LA
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 Re: RPM Help
Any idea what tooth stock is?
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Sat Jun 11, 2016 11:43 am |
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Russ
MMT 1000 Club
Joined: Mon Dec 31, 2012 11:07 pm Posts: 4820 Location: West Monroe, LA
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 Re: RPM Help
38 and 50, I think. Deadbird would probably know for sure.
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Sat Jun 11, 2016 11:57 am |
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BassmasterCia
MMT Addict
Joined: Sat May 10, 2014 5:50 pm Posts: 660 Location: Arkansas
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 Re: RPM Help
If it started as a 35 then 38 50 gears are stock
_________________ 15x36 Go Devil Duck Skiff with a Go Devil Longtail.
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Sat Jun 11, 2016 12:28 pm |
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toddh
MMT Pro Member
Joined: Wed Jan 14, 2009 2:00 pm Posts: 428 Location: Hammond, LA
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 Re: RPM Help
Got some shit going on at Catahoula huh Russ?
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Sat Jun 11, 2016 12:28 pm |
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toddh
MMT Pro Member
Joined: Wed Jan 14, 2009 2:00 pm Posts: 428 Location: Hammond, LA
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 Re: RPM Help
Recommendation on what I should go to?
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Sat Jun 11, 2016 1:15 pm |
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Russ
MMT 1000 Club
Joined: Mon Dec 31, 2012 11:07 pm Posts: 4820 Location: West Monroe, LA
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 Re: RPM Help
47, maybe. There was a chart on the mb site before they changed it. May still be able to find it on there or the bps site.
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Sat Jun 11, 2016 1:56 pm |
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cb5331
MMT Super Elite Member
Joined: Fri Dec 18, 2009 8:10 pm Posts: 16915 Location: Rowlett, TX
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 Re: RPM Help
Gary has probably answered that question upwards of 20 times on this forum..
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Sat Jun 11, 2016 2:02 pm |
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Will C
MMT Sponsor
Joined: Fri Jan 10, 2014 1:16 pm Posts: 2107 Location: Gladewater TX
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 Re: RPM Help
Mag 45. 38/48. Ive put 38/46 on a hot motor a year ago. But really your math/rpm seems high. How bout trimming down abit?
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Sat Jun 11, 2016 2:03 pm |
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toddh
MMT Pro Member
Joined: Wed Jan 14, 2009 2:00 pm Posts: 428 Location: Hammond, LA
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 Re: RPM Help
When trimmed down, prop is not half out of water.
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Sat Jun 11, 2016 2:28 pm |
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toddh
MMT Pro Member
Joined: Wed Jan 14, 2009 2:00 pm Posts: 428 Location: Hammond, LA
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 Re: RPM Help
This is in deep water as well.
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Sat Jun 11, 2016 2:29 pm |
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Will C
MMT Sponsor
Joined: Fri Jan 10, 2014 1:16 pm Posts: 2107 Location: Gladewater TX
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 Re: RPM Help
Going to a 46 lower will drop roughly 400 rpm. You should judge your trimming up by at wich point you stop gainning mph. After that just rpms rise but its loosing bite.
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Sat Jun 11, 2016 2:39 pm |
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toddh
MMT Pro Member
Joined: Wed Jan 14, 2009 2:00 pm Posts: 428 Location: Hammond, LA
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 Re: RPM Help
That would be about 4600-4700
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Sat Jun 11, 2016 3:42 pm |
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NannySlayer
MMT Pro Member
Joined: Sun Feb 03, 2013 11:49 pm Posts: 456 Location: S.C.
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 Re: RPM Help
Mine was a 35HD non CDI and it was 36/47
_________________ 17/54 gator Trax 35 mudbuddy... mostly stock
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Sat Jun 11, 2016 5:54 pm |
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mudxxed
MMT 1000 Club
Joined: Thu Sep 05, 2013 4:46 pm Posts: 1398 Location: SE Bama
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 Re: RPM Help
_________________ 1651 Excel/ 35 MB HD: little of dis, little of dat
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Sat Jun 11, 2016 8:16 pm |
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mudxxed
MMT 1000 Club
Joined: Thu Sep 05, 2013 4:46 pm Posts: 1398 Location: SE Bama
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 Re: RPM Help
_________________ 1651 Excel/ 35 MB HD: little of dis, little of dat
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Sat Jun 11, 2016 8:17 pm |
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