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Old 10-27-2017, 04:44 PM   #1
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Thoughts and ideas on 16v71 swap

I have a chance to pick up a 16v71(don't know NA or T yet) with low hours to swap out of my 8.2 NA 175hp with. I am already dealing with no mechanics around that want to touch my 8.2 unless I call boat mechanics so I assume I would have even more problems with a two stroke? And I am not above going to a college to learn what I need?
WHAT DO YALL THINK? Good swap or not?
A lot more horsepower?
Will my AT545 bolt up sae3 bell?
Tranny cooler a definite either way.
I said hours caise it is on a heckuva generator that has never been used? Only maintained and test ran monthly so I know I would need to verify exact horsies it was built for.
Tell me I don't know what I am looking at or whatever?
Let me have it
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Old 10-27-2017, 05:13 PM   #2
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Quote:
Originally Posted by Jolly Roger bus 223 View Post
Will my AT545 bolt up sae3 bell?
Not that transmission. Needs to be stouter. Just wait for it....

Another bus is what you need, my friend. a parallel platform.
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Old 10-27-2017, 05:46 PM   #3
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That would be an amazing swap! However, you'd need to extend the nose of your bus out another 4ft. Those things are probably around 8 feet long. Are you sure it's not a 6v71? That'd be more likely to fit.

(Ok, maybe not 8 ft.. but they sure are long)

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Old 10-27-2017, 05:53 PM   #4
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Now Jazty that is just mean.....

I watched the video. Now I want one...........

I miss my 2 stroke Detroit's.
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Old 10-27-2017, 06:51 PM   #5
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Not beyond my abilities to pull a TANGO and do a whole refit if it was to upgrade what I have. My hood has sprung hinges I am going to replace anyway?
The one I can get for 1000$ is a 16v71.
Rusty. A new platform is out of the question for me?
I bought what I bought?
I built it out for what I wanted at the time and yes my kids are grown and almost gone and my wife has dreams of turning there bed area's into desk work spaces?
Our dream is to get back to Texas even if it is at 49 MPH and live in the bus while we find land and I build our home. but if I have a chance to get a better powered engine than what I have before the trip to get MPH then I am going to go for it.
I know tranny upgrade,rear gear upgrade and all of that. My 8.2 175HP still starts and runs great at the drop of the hat and I am keeping up with tranny upgrade's and I am looking at rear gear upgrades and if I do a motor swap I will definitely be changing to a 2-speed rear end. So I have low end when I need it and high end when I want it
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Old 10-27-2017, 08:13 PM   #6
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cant you just turbo the 8.2 and turn up the smoke? and swap in a Built allison 1000 like i did mine?

seems then you'd get more horsies, and more hoofs on the ground instead of spinning rouind on the merry-go-round (torque converteer unlocked)..

-Christopher
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Old 10-27-2017, 08:26 PM   #7
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Dude, you totally NEED a bid two stroke Detroit.
DO IT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!

I think one member has successfully swapped a 6v71 into his bus. Maybe up the ante?
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Old 10-27-2017, 11:19 PM   #8
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A 16V71 is going to be twice as long as your current engine, weigh 3 times as much, will immediately blow your transmission to pieces if you can get it hooked up (700 HP at least) and will get 2 mpg on a good day. Are you sure it is not a 6v71?
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Old 10-28-2017, 12:14 AM   #9
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Meanwhile, back on planet Earth . . .

And I trust you're thinking about the cooling system (Detroit 2-strokes make LOTs of heat, and it has to go somewhere), and a transmission and axle that can handle at least 1500 ft/bs of torque, and frame rails and suspension that can cope with the weight of a 4-ton engine, yada yada yada.

Learn from MCI's experience with 12V71s in their MC6s in Canada. If they couldn't make a success of it . . .

John
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Old 10-29-2017, 09:23 PM   #10
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sort of an insane engine to use, so if you have the skills to make it work go for it. Most likely need a roadranger trans or equal, and a rear out of a semi. I have worked with a lot of Detroit"s, have a blower sitting on my work bench waiting for me to rebuild right now. Love the sound, and the reliability.
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