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 Modded big block GD longtail 
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MMT 1000 Club

Joined: Mon Dec 31, 2012 11:07 pm
Posts: 4342
Location: West Monroe, LA
Post Modded big block GD longtail
So, just slapped my modded briggs power head on a godevil longtail frame to have something to hunt with after selling my old gtr frame while I continue plugging along on my next project. It's a piston/rod motor with most of the fixins, and a stock muffler right now.

Just ran it today, results follow.
MM Brand: Godevil Longtail
Horsepower: roughly stage 3 with stock muffler
Boat Brand: Prodigy
Boat Size: 1748
Boat Layout: open, with gunbox

Speeds | Shallow Water: no testing yet
Speeds | Deep Water: 19mph with and against current
Total Boat Load With Gear Etc: 4 people, all the standard hunt gear plus a dozen or 2 dozen decoys.

Speeds | Shallow Water: no testing
Speeds | Deep Water: 26 mph against current, 28 with.
Total Boat Load With Gear Etc: 1 person, all hunt gear still from 4 people.

Conditions Tested In: Bayou had current, noted on speeds. Negligible wind. 48 degrees. Carb needs a little jet work, prop is a worn 9x8. Will add notes when new props tested and carb tuned correctly and other loads tested.

Comments: Hops out of hole pretty well solo with the gear, gets going quickly with 4 just doesn't really hop out of the water until around 17. It's not a lot of boat lift for that kind of load. A new prop (10x8 or maybe 10x7 with some cup added) should help that some. Tach battery was mostly dead yesterday, forgot to pick up another. Really need to see what kind of rpms I'm turning to get the propping right. Pretty sure when I opened it up under load im all over 4700 or more. Feeling the slip solo and under load, I think there's a good bit more to be had loaded and solo than what I saw today as far as being able to plane out a little slower and pick up a bit of speed loaded (I'm not trying to run 30).

#CFFITR
#TheGhostBoat
#whoneedsphysicsihaveamudmotor


Fri Nov 23, 2018 8:19 pm
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Joined: Mon Dec 31, 2012 11:07 pm
Posts: 4342
Location: West Monroe, LA
Post Re: Modded big block GD longtail
With 3 and 5 dozen decoys plus normal hunting gear today ran 23 steady, hopped out of the hole nicely.

#CFFITR
#TheGhostBoat
#whoneedsphysicsihaveamudmotor


Sat Nov 24, 2018 12:58 pm
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Joined: Fri Jan 10, 2014 1:16 pm
Posts: 1881
Location: Gladewater TX
Post Re: Modded big block GD longtail
Sounds like fun, on to next project


Mon Nov 26, 2018 8:36 am
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Joined: Sun Aug 27, 2017 6:24 am
Posts: 46
Post Re: Modded big block GD longtail
Did you pick the prodigy hull up new or used?

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Fri Feb 01, 2019 9:48 am
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Joined: Wed Feb 09, 2011 1:56 pm
Posts: 1627
Location: Chauvin
Post Re: Modded big block GD longtail
That's impressive speeds!! My 31hp godevil lt would run 13 with 2 adults and a kid! [FLUSHED FACE]

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Fri Feb 01, 2019 10:43 am
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Joined: Mon Dec 31, 2012 11:07 pm
Posts: 4342
Location: West Monroe, LA
Post Re: Modded big block GD longtail
WI715 wrote:
Did you pick the prodigy hull up new or used?

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Bought it new in 2014. It's just a basic open floor with a rear box and a gun box and extended deck.

#CFFITR
#TheGhostBoat
#whoneedsphysicsihaveamudmotor


Fri Feb 01, 2019 10:53 am
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Joined: Sun Sep 01, 2013 2:53 pm
Posts: 3480
Location: Hardin County, Tx
Post Re: Modded big block GD longtail
Stage 3? Sounds like a time bomb....... tick tick lol

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Sat Feb 02, 2019 4:16 am
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Joined: Sun Aug 27, 2017 6:24 am
Posts: 46
Post Re: Modded big block GD longtail
Russ wrote:
WI715 wrote:
Did you pick the prodigy hull up new or used?

Sent from my SM-G950U using Tapatalk
Bought it new in 2014. It's just a basic open floor with a rear box and a gun box and extended deck.

#CFFITR
#TheGhostBoat
#whoneedsphysicsihaveamudmotor
How'd the pricing compare to the average builder down by you? The drive to Georgia is alot closer than LA when I pick up my next hull

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Sun Feb 03, 2019 8:02 am
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