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Twin (multiple) O/B Vee thread, let's see them.......

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Old 09-26-2012 | 07:54 PM
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Originally Posted by BahamaLure
my old girl, Lordy I miss that boat

twin V8 'rudes, short shafts, open exhaust and a primal scream

I like this....what did it run?
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Old 09-26-2012 | 07:56 PM
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I have a friend of mine that has a 32 Midnight with twin Verados 300 and runs 73....I would guess the one above 78-81 ?
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Old 09-27-2012 | 05:48 AM
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Default When I was....

Originally Posted by catastrophe
Tons of room to walk around and include lots of friends for a day of boating
selling glass supplies I called on Deep Impact when they were first surfacing on the radar screen. They had a 33' and 36' that were both off the hook. They were even custom painting the motors to match the boats.
If I had the jing for a Fla. (or Lake Erie) "day boat" it would be a mid 30's center console.
Some of the stuff I used to see being built down in Miami was incredible. In my mind they just do everything really, really well.
I remember one of them telling me they were working on a mid 40's boat for same. I always thought that was the perfect way for you/friends/family to get to your vacation home in the Bahama's on the weekend.
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Old 09-27-2012 | 05:50 AM
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Originally Posted by Premier Perf
I have a friend of mine that has a 32 Midnight with twin Verados 300 and runs 73
here w/triple 225 Mercs running similar speeds.
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Old 09-27-2012 | 07:02 AM
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Default 32 Midnight Express

Originally Posted by turbo rr
I like this....what did it run?
To be honest, upper 60's. The engines were 300's but I doubt they made more than 250 as they had a questionable past before I bought the boat.

What it did do though was produce an easy 55mph cruise at 4800rpm with 8 people and full fuel. It was also very good in the rough stuff for a 32. I did lots of engine mods, ran them high on the bracket and used Bravo 4 blade 24's, very nice reliable set up. It was pre-GPS so I never really knew what it did wide open, I go the cruise speed from time over a known 28 mile run.

Making the v8's run without breaking was one of my finest achievements!

At the beach-
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Old 09-27-2012 | 07:25 AM
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Default Awesome Picture!

Originally Posted by BahamaLure
Making the v8's run without breaking was one of my finest achievements! ]
Knowing quite a bit about the 8's myself, that is a hilarious (though painful and expensive) statement.
One of the most under appreciated, under developed O/B's ever built.

I kinda like this old ad. Note HP rating,operating range, carburetion, weight (comparable w/current 6's) and fuel quality spec. Remember, this was mid '80's and pre computers etc, etc. All from 3.5 liters too when most of the current V-6 4 strokes are at 4.5 after 30 yrs of development!
Pretty impressive stuff and an example of what was there if you knew where to look or where to go to for help.


Last edited by Twin O/B Sonic; 09-27-2012 at 07:29 AM.
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Old 09-28-2012 | 07:13 AM
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We went through about 20 of them in 5 years! Tough learning curve that was, one day Carl Sandstrom from OMC came to see my boat and liked what I had done with the engines. I basically took all the vro's and stuff off, over jetted them and used an external fuel pump. The engine blocks looked naked without all that stuff on them but ran sweet.
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Old 09-28-2012 | 08:35 AM
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Originally Posted by Twin O/B Sonic
Knowing quite a bit about the 8's myself, that is a hilarious (though painful and expensive) statement.
One of the most under appreciated, under developed O/B's ever built.

I kinda like this old ad. Note HP rating,operating range, carburetion, weight (comparable w/current 6's) and fuel quality spec. Remember, this was mid '80's and pre computers etc, etc. All from 3.5 liters too when most of the current V-6 4 strokes are at 4.5 after 30 yrs of development!
Pretty impressive stuff and an example of what was there if you knew where to look or where to go to for help.

Always thought those motors were cool. A couple boats at my cottage still run them. What is a twin pinion gearcase?
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Old 09-28-2012 | 09:20 AM
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Default Yep.

Originally Posted by BahamaLure
We went through about 20 of them in 5 years! Tough learning curve that was, one day Carl Sandstrom from OMC came to see my boat and liked what I had done with the engines. I basically took all the vro's and stuff off, over jetted them and used an external fuel pump. The engine blocks looked naked without all that stuff on them but ran sweet.
Doing an 8 is on my gear head bucket list. Monty, who is GOD w/a V-8 is an hr from me and a good friend. He lets me snoop through his shop when I'm down.

Here is my last V-6 I went Gonzo with.




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Old 09-28-2012 | 09:20 AM
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The "twin pinion fully shiftable gearcase" is the wholly grain of lowers for OMC V8's. Most of them ended up in Middle East.
Rick from OMC engineering department wanted my powerheads because to date I have not had a powerhead failure (knock on wood). I still use the VRO pumps. I do premix because of race use.
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