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82 Marlin questions

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    Default 82 Marlin questions

    I have owned an 82 Marlin (18') now for several years, bought it when i was still in highschool...Had a mild built 454, 380hp on the dyno charts. I am getting gps'd 65mph out of it. All of the sudden, after years of using it, I have an urge to make it faster (Must be my brain maturing, right?). I'm getting around 5000 rpm's with I believe and ab impeller...not verified, going off previous owner. Motor only has 75 hours on it, bonus. I was going to run a droop, but saw I have the 12jc bowl, so thats out of the question. There is a loader grate, but it is partially blocked up the middle, about half way up the block ends. Would I be better off running a full block or a no block? Also, can anyone provide me with any info on these hulls...Through word of mouth I have heard that the guys building Marlin hulls split into another company or something along those lines...just curious if its a good hull or not. I'm going to blueprint the hull this winter and detail the jet as well.

    ooooh yeah and it also has kodiak marine cast manifolds that collect into a single over transom pipe that were dry, but i tapped a water line into the ends to make it legal for PA waters. Should i ditch these and run headers? Have heard mixed reviews from people about how these chambered manifolds "feed" as they run into collectors, but I'm not really sure I understand that.

    Any info or insight you guys could provide for me would be stellar!

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    Thats the only picture I have that shows anything remotely important...That was the day I got it!

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    anything on even the hull?

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    headers may help performance, if so not by as much as you would think,where did motor make power on the dyno? if above 5k, you could try a B impeller, on the loader - try no blocker.

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    30+ years ago, used to see quite a few marlins in norcal. I believe they were built in Oregon. the marlins I remember seeing were well built, nice gel. they made great cruisers, but they're a bit on the heavy side when thinking about "go-fast" boats. of course, more hp can make anything go faster than it would with less hp... .
    I wouldn't do anything with it except drive it, maintain it, and have fun with it. the little things you're talking about won't get you any closer to where you think you want to be. just me, I tend to be more of a planner, and rather do nothing at all than do something half-assed. figure out what I want to do, save nickles and dimes, collect cans, etc., then execute the plan.
    it's not all that difficult anymore to build a bbc to make 600 or so hp. but it does cost a few bucks to do it right so the thing is a reliable lake boat for a long time. it's also not tremendously expensive to build a really good jetdrive.

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    Quote Originally Posted by bp298 View Post
    30+ years ago, used to see quite a few marlins in norcal. I believe they were built in Oregon. the marlins I remember seeing were well built, nice gel. they made great cruisers, but they're a bit on the heavy side when thinking about "go-fast" boats. of course, more hp can make anything go faster than it would with less hp... .
    I wouldn't do anything with it except drive it, maintain it, and have fun with it. the little things you're talking about won't get you any closer to where you think you want to be. just me, I tend to be more of a planner, and rather do nothing at all than do something half-assed. figure out what I want to do, save nickles and dimes, collect cans, etc., then execute the plan.
    it's not all that difficult anymore to build a bbc to make 600 or so hp. but it does cost a few bucks to do it right so the thing is a reliable lake boat for a long time. it's also not tremendously expensive to build a really good jetdrive.
    Thanks for the insight! I've been around boats my whole life, but you dont see a whole lot of these boats in pa, other than bajas....but anyhow, I am leaning towards the just driving it thing and enjoying it, maybe some more mild engine work with new heads, cam...etc. It had a blown 496 in it previously, not sure what happened to it though.
    I was told that every marlin was custom built to the buyers specs, was that true?

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    Quote Originally Posted by Riverside7 View Post
    I was told that every marlin was custom built to the buyers specs, was that true?
    don't know what you mean by that. compared to being like a new car lot and having rows of complete boats to choose from that are all the same? think about where the small hotrod boat industry was in the 70s and how it evolved in the 80s and forward.
    even by the time your boat would have been built, manufacturers -preferred- to have customers that would come in, specify what they wanted with respect to colors, interior, drive package, etc. manufacturer takes a deposit and builds the boat. customer gets what they want. even back then, manufacturers would lay up and sell boats in various stages of completion. like, manufacturers might offer specific drive packages, like Hardin marine, Harmon marine chev/berk, ford/berk, or an olds/Jacuzzi type deal, but pretty standard stuff packages. if you wanted a different engine or drive than what was offered as an option, you could buy the thing at that stage and go install your own stuff or have someone else do it. there were (and still are) people out there specializing in rigging blank hulls.
    having a yard full of completed new boats for people to choose from was done in the 70s, but that business model can be a huge loser. because these are nothing but luxury item/toys, so when the economy cycles down, these things sit. and sit. the manufacturer might want to keep a few around as "samples" of their work for customers to look at. most recent example I can think of, having a lot full of boats they're stuck with, was sleekcraft/magic a few years back. they had dozens of big boats laid up, the lot was stacked up with 'em from one end to the other, all shrink wrapped. then the economy took a dump, and they were stuck with 'em. company goes under, hulls go to an auction house. these were all "blanks", not rigged, waiting for somebody to specify what they wanted in one of 'em, and buy it.

    so essentially, they are ALL different in some respects. in other respects, they are the same.

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    Quote Originally Posted by Riverside7 View Post
    I have owned an 82 Marlin (18') now for several years, bought it when i was still in highschool...Had a mild built 454, 380hp on the dyno charts. I am getting gps'd 65mph out of it. All of the sudden, after years of using it, I have an urge to make it faster (Must be my brain maturing, right?). I'm getting around 5000 rpm's with I believe and ab impeller...not verified, going off previous owner. Motor only has 75 hours on it, bonus. I was going to run a droop, but saw I have the 12jc bowl, so thats out of the question. There is a loader grate, but it is partially blocked up the middle, about half way up the block ends. Would I be better off running a full block or a no block? Also, can anyone provide me with any info on these hulls...Through word of mouth I have heard that the guys building Marlin hulls split into another company or something along those lines...just curious if its a good hull or not. I'm going to blueprint the hull this winter and detail the jet as well.

    ooooh yeah and it also has kodiak marine cast manifolds that collect into a single over transom pipe that were dry, but i tapped a water line into the ends to make it legal for PA waters. Should i ditch these and run headers? Have heard mixed reviews from people about how these chambered manifolds "feed" as they run into collectors, but I'm not really sure I understand that.

    Any info or insight you guys could provide for me would be stellar!

    Click image for larger version. 

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    Thats the only picture I have that shows anything remotely important...That was the day I got it!
    Hey Riverside,
    Where do I start..... First, I would give my left nut for that hulll......... Not cause its the fastest but I grew up on the same exact marlin for a good 15 yrs of my life...... I have been dreaming for the day to find that boat again.... Unfortunately I found a little newer one that at one point will look just like yours.... However, I could be easily persuaded....

    http://www.performanceboats.com/pain...a-rebirth.html

    I know I state in the link, But I cant stress enough what made that boat faster than most jets in that era. When my father first test drove the boat with still some ice on the lake it could barely hit 65. He really was dissapointed. He did not want to sell his weed wacker Kona that could run just as fast... The partner of the dealership looked right at him and said " I guess we need to take that boat back to the shop and shave the hull"... After a few years he added a tunnel ram with duel quads, place diverter, stainless or brass impeller.... To this day he believes he was running 85 mph with that hull. I know that was before radar/gps... I know most will question that number... I guess I do to since that's my boggie for my next project.

    I still remember when I was about 6yrs at Berlin Lake in Ohio, there was the only one boat that ran just as fast and faster.................. It was a 21' Schiada with gale banks twin turbo boat. My pops tried as best as he could but that boat kept edging in front of us.... But, it did, I still remember that clear as day racing between the bridges. In the later years of owning it, it seams the hydro streams and other outboards wouldn't even try running.... I think back then til now, I still think it was a great running boat but this was before the 2.5 ltr streams or a gullwings..

    In regards to the boat, I do know it was built in White City Oregon. I always thought they were a direct splash from the 18' Eliminators. The only thing that is different is the built in extension... I think the addition of this allowed the pump to be set back some.... Definitely not as much as you see now.

    http://www.performanceboats.com/jet-...-jet-boat.html

    I would truly love to see some more pictures of that boat. PM me your number if you care to chat further in depth....
    Tabs up, Drives out................

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    I'd sell it for a left nut!

    But do you have the hull number from the 82 in your pictures? Before the current motor was put in my hull....it had one identical to the one in your pics...I have an old shot of it somewhere, from 2 owners ago. I will have to dig it up and put up some updated pics. The hull definitely runs great for what little engine it has! I cant help but wonder how many came from factory with this paint scheme...

  11. #9
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    Quote Originally Posted by Riverside7 View Post
    I'd sell it for a left nut!

    But do you have the hull number from the 82 in your pictures? Before the current motor was put in my hull....it had one identical to the one in your pics...I have an old shot of it somewhere, from 2 owners ago. I will have to dig it up and put up some updated pics. The hull definitely runs great for what little engine it has! I cant help but wonder how many came from factory with this paint scheme...
    Hah! Great response!

    I talked to my Pops this past weekend. Unfortunately he no longer has any documentation on the boat... He does know the guy he sold it to back in ~1993/94. He said he then sold it and it went to Pennsylvania.. Thats closer to you than Ohio. My dad and I chatted about it for a while. The key things we were to come up with to identify if it was his old boat was the following.........

    1. Trailer was a blue tandem axle Road Runner trailer with white pin stripes
    2. On one of the sides close to the fuel tank fills the metelflake area got discolored from Gas expanding and coming out of the fills. I believe it was driver side
    3. I remember on the driverside there was two resin drops on the outer side next to or in front of the driver seat close to the rub rail.
    4. He made a custom (Flat Plate) aluminum mounting bracket on the passenger side behind the engine to hold a fuel separator.

    The only thing that throws me for a loop is the interior. That is not what he had in the boat. But, that could have been easily updated.

    I hope to hear back from you and see some more pictures!

    Jr.
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    Tabs up, Drives out................

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    A little off topic from your jet boat but here is a 1991 Marlin ad. It looks like they were built in Oregon and must have had a pretty good run of at least a decade. I don't believe the ad is accurate though as Team Warlock built the World Class 24 "Euro" starting in 1988. Thought it might be interesting to you as a Marlin owner
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    Hey Jack! This is the same boat, small world?!

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    She's a beaut!

  14. #12
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    Wow, that's it! That is so cool! I never thought i would see it again. I am glad to see your fully enjoying it! When I start digging into my next project, I may have some set up questions for you. Thanks for the response.
    Jr.



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    Tabs up, Drives out................

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