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ibfishin
MMT 1000 Club
Joined: Sun Dec 05, 2010 8:20 pm Posts: 1127 Location: Okeechobee, FL
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 Engine mod questions
What mods are involved with a stage 1? Stage 2? Stage 3? I'm new to this so I'm just trying to learn as much as possible before making any purchases.
_________________ 35 GTR pushing an 18' Alumitech Custom
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Sat Jan 01, 2011 9:28 am |
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Team Camo
MMT Sponsor
Joined: Thu Oct 01, 2009 4:49 pm Posts: 8536 Location: Bridge City, TX
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 Re: Engine mod questions
From what I've seen, it's different, dependin on who does the mods.
_________________ 1846 GTB & 35 GTR Team Gator-Tail
Killer Kallz & ANGLE PORT dealer (409) 720-8949
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Sat Jan 01, 2011 11:22 am |
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quackconsumer
MMT Elite Member
Joined: Wed Jan 14, 2009 7:54 pm Posts: 5582
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 Re: Engine mod questions
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Sat Jan 01, 2011 11:28 am |
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dguidry
MMT Super Elite Member
Joined: Tue Jun 29, 2010 1:20 pm Posts: 11166 Location: Cecilia, LA
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 Re: Engine mod questions
Here's a link to a test of various engine mods on Briggs and Stratton 5 hp engine and performance improvements after each mod:
By far the most improvement resulted from exhaust modifications. I think the study would translate to mud motor engines.
_________________ Formerly:1648 Homemade Cypress Crawfish Skiff GTR23 Performance Cam and Heads; 17x46 Gator Tail with 35GTR and Hoyt's cam;s Currently: 17x48 Gator Tail with XD40 EFI. “Wisdom is not just expertise. It is knowing how much of various areas of expertise you need to know in order to make the decisions that the world needs and that you want to do,” Columbia University President Lee Bollinger.
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Sat Jan 01, 2011 11:55 am |
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quackconsumer
MMT Elite Member
Joined: Wed Jan 14, 2009 7:54 pm Posts: 5582
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 Re: Engine mod questions
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Sat Jan 01, 2011 12:10 pm |
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Stihl Duck
MMT Pro Member
Joined: Mon Dec 20, 2010 9:23 am Posts: 143
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 Re: Engine mod questions
So, example, I have a GD 35 Vanguard.
What's stage 1 etc. by SETX performance?
_________________ Stump Jumper 17x54 w/duck deck GTR 35 stage II
Stump Jumper Rep. for IN (Stumpjumperboats.com) Athens archery Bowfishing Pro Staff/Field Rep.
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Sat Jan 01, 2011 1:08 pm |
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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: Engine mod questions
Its usually clearer to talk about individual modifications:
High Flow Exhaust Heads- decked (0.0xx), port and polish, valve job (x angle) Mikuni Carb- single or duals Roller Rockers and Push Rods Timing key (x degree offset) Cam Pistons and Connecting rods
_________________ Excel 1851F4 w/ MB35HD+R CDI with a little bit of this and little bit of that
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Sun Jan 02, 2011 4:04 am |
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ibfishin
MMT 1000 Club
Joined: Sun Dec 05, 2010 8:20 pm Posts: 1127 Location: Okeechobee, FL
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 Re: Engine mod questions
I assume the most popular is the bolt on stuff: exhaust, carb, heads. Do many of you just have the stock heads and intake reworked (match port, polish, valve job) instead of buying aftermarket?
_________________ 35 GTR pushing an 18' Alumitech Custom
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Sun Jan 02, 2011 7:14 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: Engine mod questions
_________________ Excel 1851F4 w/ MB35HD+R CDI with a little bit of this and little bit of that
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Sun Jan 02, 2011 10:46 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: Engine mod questions
hey can anyone give me the spec's for the head work to be done on my stock heads so i can give them to the guy that does heads down here!!!
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Wed Jan 05, 2011 2:12 pm |
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Pooh Bear
MMT Addict
Joined: Wed Jan 14, 2009 10:43 pm Posts: 612 Location: Everywhere.USA
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 Re: Engine mod questions
where are you located?
_________________ Don't mistake my kindness for weakness, my ability to look over things as ignorance - but make no mistake, when I've had enough, I'm Coming After you. Watch Your Back....lol
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Wed Jan 05, 2011 7:41 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: Engine mod questions
Cut Off, Louisiana
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Thu Jan 06, 2011 11:02 am |
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