good guess 
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Scope Wizard
Joined: May 2019
Posts: 6,530
Likes: 25
I used to own an old Airslot and used to take folks out to the snapper banks (Murphy's reef and flower gardens) I ferried folks from Port Miserable to the Island when the Bridge got knocked down... I have an OUPV/Six-pack license ... anyway over the years I converted her to Diesel and still have some parts left over that have exceeded marine life.
I sold the boat back in 2K7 when I retired.
I sold the boat back in 2K7 when I retired.
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Junior User
Joined: Jan 2021
Posts: 84
Likes: 0
I am no sails man. I am a lube tech but I have been working on cars and trucks since I was 5. I am 25 now and pretty much every I know I had to learn on my own and I went to tech school and basically got asked to stay in the shop since I aced every test. The pictures I posted of my old mustang that I built that car turned the dyno at 355 wheel horse power and 395 pound feet of torque. I built that engine with second hand parts on the top end. I had to fabricate some parts that were obsolete and flat unavailable aftermarket.
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Junior User
Joined: Jan 2021
Posts: 84
Likes: 0
one of the joys of not following the crowd. I have always enjoyed working hard and getting dirty. In high school I ran my own yard service.
Posting Guru
Joined: May 2015
Posts: 2,036
Likes: 5
Years ago I came across a few pictures of one all assembled. The pictures didn't show much, the power was supposed to be somewhere around 350hp? Iirc
That was long before I decided to do my current turbo setup and at the time I thought man if I could get my hands on that thing.
What I really wonder is what was done to the injection pump. I found one somewhere for sale brand new in the box, think it was located in quatar or something like that at a marine supplier. Didn't feel like dropping the dough unless I knew it was highly modified to be worth it.
And to OP, if anyone ever tells you it's not possible, try anyways. If you fail oh well, it is what it is, but if you succeed it's a true mechanical feat and you'll get to reap all the glory when you drive it.
I never thought I'd see the day where I'd have a vgt turbo and 9/16" head studs in a 6.9, yet here we are..
That was long before I decided to do my current turbo setup and at the time I thought man if I could get my hands on that thing.
What I really wonder is what was done to the injection pump. I found one somewhere for sale brand new in the box, think it was located in quatar or something like that at a marine supplier. Didn't feel like dropping the dough unless I knew it was highly modified to be worth it.
And to OP, if anyone ever tells you it's not possible, try anyways. If you fail oh well, it is what it is, but if you succeed it's a true mechanical feat and you'll get to reap all the glory when you drive it.
I never thought I'd see the day where I'd have a vgt turbo and 9/16" head studs in a 6.9, yet here we are..
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Scope Wizard
Joined: May 2019
Posts: 6,530
Likes: 25
this was the most common type I see....
https://www.ebay.com/itm/7-3L-444ci-...-/132463956593
I'm pretty sure the twin turbo was aftermarket by Sierra Marine .. I don't think Merc actually built them ... but I'm not 100% sure
https://www.ebay.com/itm/7-3L-444ci-...-/132463956593
I'm pretty sure the twin turbo was aftermarket by Sierra Marine .. I don't think Merc actually built them ... but I'm not 100% sure
Thread Starter
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Junior User
Joined: Jan 2021
Posts: 84
Likes: 0
this was the most common type I see....
https://www.ebay.com/itm/7-3L-444ci-...-/132463956593
I'm pretty sure the twin turbo was aftermarket by Sierra Marine .. I don't think Merc actually built them ... but I'm not 100% sure
https://www.ebay.com/itm/7-3L-444ci-...-/132463956593
I'm pretty sure the twin turbo was aftermarket by Sierra Marine .. I don't think Merc actually built them ... but I'm not 100% sure
Posting Guru
Joined: May 2015
Posts: 2,036
Likes: 5
My 85 used to get 18mpg like that pre turbo, pre overdrive, no clue what it gets now still haven't checked.
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Junior User
Joined: Jan 2021
Posts: 84
Likes: 0
I always try and plan ahead when I'm going somewhere to allocate more time so I can cruise between 55-60, I get the best fuel milage like that and it's not as hard on the truck.
My 85 used to get 18mpg like that pre turbo, pre overdrive, no clue what it gets now still haven't checked.
My 85 used to get 18mpg like that pre turbo, pre overdrive, no clue what it gets now still haven't checked.
Posting Guru
Joined: May 2015
Posts: 2,036
Likes: 5
Does your truck have an auxiliary transmission cooler? If not that's something I would add to prolong the life of the trans.
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Junior User
Joined: Jan 2021
Posts: 84
Likes: 0
no and I will add one probably plumb in one for a 6.0 Powerstroke
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Junior User
Joined: Jan 2021
Posts: 84
Likes: 0
here's a good one my HVAC only works on vent and defrost. I will not let air go too the floor vents. How do I fix that? Everything is moving as it should and I don't know if its the controller its self or the actuator