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Old 01-29-2006, 10:15 PM   #1
AngryJosh
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Mopar Power

I posted this in Gearheads, but anyways...

I need some thoughts on running bigblock mopar power in my boat. I would love to be traditional and run a chevy or ford, but I like Mopar...

That being said, I would like honest opinions, and pros and cons to running a 440 or greater bigblock mopar.Anybody have experience with this?

In case it matters its a 20ft liberator tunnel hull

Thanks
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Old 01-29-2006, 11:01 PM   #2
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Mopar

Sure you can, some do quite sucessfully. However I think you will find the marine hardware alot harder to find and more expensive when you do find it. My son has a 383 in a jetboat, runs great, plenty of power, but without the headstart of having most of the stuff from a previous boat it would've been tough and expensive.. For that reason, you don't see near as many Mopars in boats as Chevys and Fords, and of course the 455 Oldsmobiles. ....MP
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Old 01-30-2006, 03:12 AM   #3
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Yep it's probably close to twice as expensive to build by the time you add everything up and you can't get every widget in the world for it like you can for a Chevy. It's going to be harder to find the marine hardware for it, like mounts, exhaust, etc, than it is for Chevy/Ford/Olds but then that's what they invented fabrication for, right? On the other hand there is more performace stuff for availible for Mopar than for say an Olds, and that stuff pretty much transfers over from the automotive market anyway. I think if you have the starting point already, and want something original and don't mind spending extra to get it, go for it! But then, my user name is maxwedge, so I might be Mopar biased.
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Old 01-30-2006, 08:37 AM   #4
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Thumbs up

There are a couple guys here that have Dodges in boats. I am a Mopar nut. I took an Olds out of my jet and put a 440 in it. I bought a Hondo V-drive last year that I am putting together and aluminum INDY 547 for it.

In my opinion they run real well. Due to the stroke, plenty of torque also.

I own a CNC machine shop I build everything to put a Dodge in a boat.

Front and rear motormounts, water exit plates, PTO adapter.

Twice as expensive to build?

Come on

Brian
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Mopar is winking at you...
Cheap, Fast, good. You can have any two.
Good labor isn't cheap. Cheap labor isn't good.
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Old 01-30-2006, 08:39 AM   #5
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Headers from Rewarder or Basset WERE more money, but they never had them in stock, so I bought some draster headers from Headman that work real well, and they are different from everything else out there.

Funny, I never saw boats with upswept headers and after I did mine semmed like more people were using them.

Took away from the originality.

Brian
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Mopar is winking at you...
Cheap, Fast, good. You can have any two.
Good labor isn't cheap. Cheap labor isn't good.
See Brians Boat Shop @ Brian's Boat Shop
See SB Products @SB Products
Buy American goods, the job you save may be your own.
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Old 01-30-2006, 08:41 AM   #6
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Mopar is winking at you...
Cheap, Fast, good. You can have any two.
Good labor isn't cheap. Cheap labor isn't good.
See Brians Boat Shop @ Brian's Boat Shop
See SB Products @SB Products
Buy American goods, the job you save may be your own.
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Old 01-30-2006, 08:41 AM   #7
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Mopar is winking at you...
Cheap, Fast, good. You can have any two.
Good labor isn't cheap. Cheap labor isn't good.
See Brians Boat Shop @ Brian's Boat Shop
See SB Products @SB Products
Buy American goods, the job you save may be your own.
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Old 01-30-2006, 08:57 AM   #8
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Mopar Engines

Quote:
Originally Posted by AngryJosh
I posted this in Gearheads, but anyways...

I need some thoughts on running bigblock mopar power in my boat. I would love to be traditional and run a chevy or ford, but I like Mopar...

That being said, I would like honest opinions, and pros and cons to running a 440 or greater bigblock mopar.Anybody have experience with this?

In case it matters its a 20ft liberator tunnel hull

Thanks


AngryJosh,

I have a project thread for a 1958 392 HEMI on 'Banderlog', ditto on both previous responses. I have seen images of more early HEMI's in boats than the 440. There is also a thread on the v-drive section titled 'Nostalgic race boats', images posted by Dave Sammons show a couple of boats with HEMI's.
I also know a boater out of Texas that had a 426 HEMI in his Spectra 20. He sold it, and is looking for a bigger boat.

http://www.banderlog.com/phpbb/view...der=asc&start=0

USMC
69-71
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Old 01-30-2006, 09:01 AM   #9
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Engines

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1975 Spectra 18
1978 Harman 454
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Restoration of:
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1958 392 Chrysler HEMI
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Old 01-30-2006, 09:14 AM   #10
wsuwrhr
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Rex marine also has rear motor mounts for the Dodge Big blocks

Brian
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Mopar is winking at you...
Cheap, Fast, good. You can have any two.
Good labor isn't cheap. Cheap labor isn't good.
See Brians Boat Shop @ Brian's Boat Shop
See SB Products @SB Products
Buy American goods, the job you save may be your own.
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Old 01-30-2006, 09:18 AM   #11
wsuwrhr
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Reactor Products Flywheel back

Reactor Products Flywheel front

You will need some specialized peices, but everything you need is available.

Now a couple guys on here have good points about Reactor products,
so listen to what they have to say, and make your own choice.

Brian
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Mopar is winking at you...
Cheap, Fast, good. You can have any two.
Good labor isn't cheap. Cheap labor isn't good.
See Brians Boat Shop @ Brian's Boat Shop
See SB Products @SB Products
Buy American goods, the job you save may be your own.

Last edited by wsuwrhr : 01-30-2006 at 09:42 AM.
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Old 01-30-2006, 09:25 AM   #12
riverbound
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Quote:
Originally Posted by napabob
AngryJosh,

I have a project thread for a 1958 392 HEMI on 'Banderlog', ditto on both previous responses. I have seen images of more early HEMI's in boats than the 440. There is also a thread on the v-drive section titled 'Nostalgic race boats', images posted by Dave Sammons show a couple of boats with HEMI's.
I also know a boater out of Texas that had a 426 HEMI in his Spectra 20. He sold it, and is looking for a bigger boat.
http://www.banderlog.com/phpbb/view...der=asc&start=0

USMC
69-71


I looked at buying that boat....the timing wasnt right for me


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Old 01-30-2006, 09:32 AM   #13
wsuwrhr
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The Summit catalog on page 60 has Hedman Hustler headers that I used. Basically they are an upswept dragster header.

You probably will have to run mufflers or add water injection. The are really loud and hot dry. haha.

Water injection will be tricky with those headers because cylinder tubes 1 and 2 don't have much "drop", so you could probably do a couple things, add water a little farther back and drill small weep holes in each tube and you would be good to go.

My boat has pretty high gunnels so the exhaust doesn't get very good cooling. I will be changing that this year. Your liberator isn't very high, so you probably won't have that problem.

Brian
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Mopar is winking at you...
Cheap, Fast, good. You can have any two.
Good labor isn't cheap. Cheap labor isn't good.
See Brians Boat Shop @ Brian's Boat Shop
See SB Products @SB Products
Buy American goods, the job you save may be your own.
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Old 01-30-2006, 11:21 PM   #14
maxwedge
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Quote:
Originally Posted by wsuwrhr

Twice as expensive to build?

Come on

Brian

Ok, it probably helps if you own a friggin machine shop! LOL
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Old 01-31-2006, 12:22 AM   #15
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No comment on mopar.
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