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duckrunner99
MMT Pro Member
Joined: Sat Oct 26, 2013 1:00 pm Posts: 340 Location: Wisconsin
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Block swap help!
So I’m looking to slap a new 37efi on my mudbuddy frame! My first question is will it fit? And my second question is I was looking on brandnewengines.com and I see there are two different 37efi. On is more and one is less. What one would I get to make it fit right
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Mon Apr 02, 2018 8:06 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: Block swap help!
61e477 is the model normally used. Not sure of the difference between the 377 and 477. If Marcus or will don't chime in before I find the answer, I'll post it here.
#CFFITR #TheGhostBoat #whoneedsphysicsihaveamudmotor
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Mon Apr 02, 2018 8:39 pm |
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duckrunner99
MMT Pro Member
Joined: Sat Oct 26, 2013 1:00 pm Posts: 340 Location: Wisconsin
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Re: Block swap help!
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Mon Apr 02, 2018 8:52 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: Block swap help!
You are both correct. Also the 61e377 says it has a 3600 or 4000 governer. We buy the 61e477's
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Mon Apr 02, 2018 10:33 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: Block swap help!
477 have the 4800 limiter like Will said. They have the same footprint as the big blocks. Also beware of crankshafts. Hens I don't recommend buying from online sites that don't help you get the right engine.
_________________ Bayou Surface Drive 337-351-0362 Tarkington, TX 77327
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Tue Apr 03, 2018 6:30 am |
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duckrunner99
MMT Pro Member
Joined: Sat Oct 26, 2013 1:00 pm Posts: 340 Location: Wisconsin
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Re: Block swap help!
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Tue Apr 03, 2018 7:31 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: Block swap help!
Considering they say it's a 1 1/8x4, you're probably good. But like maxxis said, they don't really care if it works like he or one of the manufacturers would. Shoot him a pm and see what his price to you would be.
#CFFITR #TheGhostBoat #whoneedsphysicsihaveamudmotor
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Tue Apr 03, 2018 7:54 am |
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brycecheramie
MMT 1000 Club
Joined: Thu Nov 04, 2010 7:38 am Posts: 4323 Location: Cut Off, La.
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Re: Block swap help!
Marcus could probably get you the "right engine the first time" for close to the same price you will pay online.
Cause you don't want to have to deal with sending the motor back cause something is wrong and all that BS.
_________________ Refurbishing a Prodrive
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Tue Apr 03, 2018 8:03 am |
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duckrunner99
MMT Pro Member
Joined: Sat Oct 26, 2013 1:00 pm Posts: 340 Location: Wisconsin
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Re: Block swap help!
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Tue Apr 03, 2018 8:46 am |
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brycecheramie
MMT 1000 Club
Joined: Thu Nov 04, 2010 7:38 am Posts: 4323 Location: Cut Off, La.
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Re: Block swap help!
Yeahhhhh that may be an issue.
_________________ Refurbishing a Prodrive
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Tue Apr 03, 2018 8:47 am |
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DENNYEDWARDS
MMT Addict
Joined: Sun Aug 09, 2009 12:50 pm Posts: 574 Location: Muscatine, Iowa
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Re: Block swap help!
Years ago there was two out put shaft lengths, may want to check your old motor for correct lenght when ordering. Older motors with out clutches had the shorter crank out put shafts.
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Tue Apr 03, 2018 8:59 am |
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50fps
MMT 1000 Club
Joined: Tue Jan 13, 2009 6:42 pm Posts: 2377 Location: West Coast Wisconsin
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Re: Block swap help!
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Tue Apr 03, 2018 9:18 am |
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duckrunner99
MMT Pro Member
Joined: Sat Oct 26, 2013 1:00 pm Posts: 340 Location: Wisconsin
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Re: Block swap help!
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Tue Apr 03, 2018 10:37 am |
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bluesky2012
MMT F.E.
Joined: Mon Jul 14, 2014 8:19 am Posts: 981
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Re: Block swap help!
I bought my new powerhead straight from a briggs dealer last summer and installed it myself.
Sent from my iPhone using Tapatalk Pro
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Tue Apr 03, 2018 10:51 am |
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duckrunner99
MMT Pro Member
Joined: Sat Oct 26, 2013 1:00 pm Posts: 340 Location: Wisconsin
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Re: Block swap help!
Might be a dumb question but how’s the dealer gonna know what one I need? What do I need to ask for for him to get me the right motor for a problem free swap. Motor is a 2014 5500 hd
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Tue Apr 03, 2018 1:53 pm |
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bluesky2012
MMT F.E.
Joined: Mon Jul 14, 2014 8:19 am Posts: 981
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Re: Block swap help!
I walked in with the model # and he placed the order. They know nothing about mud motors. Even if you leave it stock, once it's on a frame it may as well be an aircraft engine to them.
Sent from my iPhone using Tapatalk Pro
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Tue Apr 03, 2018 3:18 pm |
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sephd4
MMT Member
Joined: Sun Jul 03, 2016 11:18 am Posts: 34
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Re: Block swap help!
i bought my 35 marine from brandnewengines.com. 613477. 3 year briggs warranty and came with stainless stock muffler. measure the crank check the specs of the motor you want and get it coming. i check with my local dealers and the they knew less that the guys that BNE.com. the dealer wanted to know what mower it was on even with the model number in hand. GOOD LUCK
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Tue Apr 03, 2018 6:14 pm |
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bluesky2012
MMT F.E.
Joined: Mon Jul 14, 2014 8:19 am Posts: 981
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Re: Block swap help!
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Tue Apr 03, 2018 7:25 pm |
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duckrunner99
MMT Pro Member
Joined: Sat Oct 26, 2013 1:00 pm Posts: 340 Location: Wisconsin
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Re: Block swap help!
Yep ordering it tomorrow. Took motor off the frame tonight crank measures up to be the same as the 37efi per Briggs measuring specs so I think I’m good to go! Thanks for all the help
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Tue Apr 03, 2018 10:04 pm |
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duckrunner99
MMT Pro Member
Joined: Sat Oct 26, 2013 1:00 pm Posts: 340 Location: Wisconsin
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Re: Block swap help!
Also i did just relize I’m going from a modded motor down to a 37efi and I have a hammer prop on it.... is this thing gonna be able to turn it effectively? If it can haul a load but run a little slower I’m ok with that for the bowfishing season but if not I’m gonna need to jump to a new prop. What do you guys think
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Tue Apr 03, 2018 11:49 pm |
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DmaxHunter
MMT 1000 Club
Joined: Wed Jan 18, 2012 7:21 pm Posts: 2207 Location: North Alabama
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Re: Block swap help!
_________________ 2014 PRODIGY 1754 (#19) 2014 5500 BAMF HDR RETRO SOLD
2010 Gator Tail Gator Series 18x54 pushed by a 2020 40GTRXD
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Sat Apr 07, 2018 8:56 am |
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duckrunner99
MMT Pro Member
Joined: Sat Oct 26, 2013 1:00 pm Posts: 340 Location: Wisconsin
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Re: Block swap help!
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Sat Apr 07, 2018 10:07 am |
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DmaxHunter
MMT 1000 Club
Joined: Wed Jan 18, 2012 7:21 pm Posts: 2207 Location: North Alabama
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Re: Block swap help!
There have been a couple take possession of the new 40efi, maybe someone can drop a type #. I just looked at Briggs Industrial engine web page and it's not on there yet. Seeing as manufacturers are getting them, don't see why one can't be found.
_________________ 2014 PRODIGY 1754 (#19) 2014 5500 BAMF HDR RETRO SOLD
2010 Gator Tail Gator Series 18x54 pushed by a 2020 40GTRXD
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Sat Apr 07, 2018 12:15 pm |
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pokey79
MMT 1000 Club
Joined: Mon Nov 15, 2010 4:50 pm Posts: 2282 Location: Circumcised, Louisiana
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Re: Block swap help!
61G477
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Mon Apr 09, 2018 8:49 am |
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duckrunner99
MMT Pro Member
Joined: Sat Oct 26, 2013 1:00 pm Posts: 340 Location: Wisconsin
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Re: Block swap help!
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Mon Apr 09, 2018 9:00 am |
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pokey79
MMT 1000 Club
Joined: Mon Nov 15, 2010 4:50 pm Posts: 2282 Location: Circumcised, Louisiana
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Re: Block swap help!
that's for the new 40 hp
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Mon Apr 09, 2018 9:03 am |
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