Might buy a boat bunk motor
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Might buy a boat bunk motor

  1. #1
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    Default Might buy a boat with a bunk motor

    Long story short he's selling it for 5500 with motor or 5k without motor, he said it lost oil pressure after a rebuild and won't turn over now. Is it worth that price it has a 454 in it and is clean 21' commander Berkley jet and pretty nice interior
    any thoughts
    Last edited by Reefmoto; 09-25-2015 at 08:16 PM.
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    I'm assuming it needs a complete rebuild on the 454 guess it all boils down to how blown up it is... do play with fire or save another 4 k and buy a running boat
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    Reading this thread, I just realized that it's probably pretty thin pickins in the JYs for big-blocks- you want a good block at least- everything else is pretty cheap and easy to get...."Oh no! The heads are junk....Now I have to buy some Aluminum after-market heads...."
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  6. #4
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    Quote Originally Posted by Reefmoto View Post
    I'm assuming it needs a complete rebuild on the 454 guess it all boils down to how blown up it is... do play with fire or save another 4 k and buy a running boat
    You know how to build an engine?

    If not.. walk away, because paying someone to fix and install it is expensive.. save your $$ and get a runner.. have someone you trust look at it...

    If you know your way around a BBC... go for it...

    Chances are the 454 in it is a stocker, and if it don't turn over.. it will need the crank turned and new bearings plus tanked and a new oil pump... maybe getting the rods reconditioned... probably around 800-1200 at a machine shop.. You can find a decent used shortblock off CL or a rebuilder and use all the rest of what's there.. doubt the top end is hurt.. you would have to get it for a good deal, but you would know what you had then.. make him an offer. see if he has any room to move.. seen good running complete engines for under 600.00.. so you could sell off the spare parts like heads, intake, etc.. to recover some $$
    It just depends on what you find.. and if you have the "understanding" to build it.. Best of luck..

    I just put this one together... runs great.. 70lbs oil pressure...it's a 496(bored and stroked 454) with a big solid roller cam and an 1150 Dominator Carb..

    Last edited by Old as Dirt; 09-25-2015 at 08:37 PM.
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    My best friend builds motors and he said he'd help but it's a gamble, if the block is cracked or somthing lIke that itll cost alot.only reason I'm considering it is because wife likes it. The owner of the boat said ran it for 2 hrs probably after rebuild and the all of a sudden the motor started loosing oil pressure, he shut down and then wouldn't turn over... just like most of my clients I don't believe what they say, I find out for myself .so I'm assuming the worst...what do you mean by YJ?
    Last edited by Reefmoto; 09-25-2015 at 09:02 PM.
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    Quote Originally Posted by Old as Dirt View Post
    You know how to build an engine?

    If not.. walk away, because paying someone to fix and install it is expensive.. save your $$ and get a runner.. have someone you trust look at it...

    If you know your way around a BBC... go for it...

    Chances are the 454 in it is a stocker, and if it don't turn over.. it will need the crank turned and new bearings plus tanked and a new oil pump... maybe getting the rods reconditioned... probably around 800-1200 at a machine shop.. You can find a decent used shortblock off CL or a rebuilder and use all the rest of what's there.. doubt the top end is hurt.. you would have to get it for a good deal, but you would know what you had then.. make him an offer. see if he has any room to move.. seen good running complete engines for under 600.00.. so you could sell off the spare parts like heads, intake, etc.. to recover some $$
    It just depends on what you find.. and if you have the "understanding" to build it.. Best of luck..

    I just put this one together... runs great.. 70lbs oil pressure...it's a 496(bored and stroked 454) with a big solid roller cam and an 1150 Dominator Carb..

    I'm not an engine builder , am not afraid to tackle it though, my best bud builds jet boat racing motors Soni have that going for me...
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  9. #7
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    Default engine builder

    I'm not either... I work as a "Millwright" and have put engines together a few times.. it's not rocket science.. but you do have to get it right...

    If you have some help.. it would be a fun project.. and you will learn about engines...
    Last edited by Old as Dirt; 09-25-2015 at 08:52 PM.
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    Quote Originally Posted by Old as Dirt View Post
    I'm not either... I work as a "Millwright" and have put engines together a few times.. it's not rocket science.. but you do have to get it right...

    If you have some help.. it would be a fun project.. and you will learn about engines...
    Last big engine I rebuilt was in HS auto shop hahaha, ya I think it'll be a great winter project... I just keep thinking about it and am second guessing myself. I'm going make my offer, if he takes it great, if he doesn't then I'll walk. Luckily I have the ability to do that... found a nice 94 commander for 9500 ready to run but it's 4500 over what this will cost... plus it has been sitting on CL for a bit so I'm not sure that's a good price... should I wait till November/december? Is it true that boat prices go that low
    Last edited by Reefmoto; 09-25-2015 at 09:26 PM.
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    Quote Originally Posted by Reefmoto View Post
    Long story short he's selling it for 5500 with motor or 5k without motor, he said it lost oil pressure after a rebuild and won't turn over now. Is it worth that price it has a 454 in it and is clean 21' commander Berkley jet and pretty nice interior
    any thoughts
    Quote Originally Posted by Reefmoto View Post
    My best friend builds motors and he said he'd help but it's a gamble, if the block is cracked or somthing lIke that itll cost alot.only reason I'm considering it is because wife likes it. The owner of the boat said ran it for 2 hrs probably after rebuild and the all of a sudden the motor started loosing oil pressure, he shut down and then wouldn't turn over... just like most of my clients I don't believe what they say, I find out for myself .so I'm assuming the worst...what do you mean by YJ?
    I don't really consider "2 years" very recent after a rebuild. With no photos of the engine, you have to look and see if it has $500 worth of parts visible that are good,, marine oil pan, intake manifold, carb, etc? Assume the rest to be junk and you won't be disappointed later. If it lost oil pressure and won't turn over, as others have indicated, likely the bottom end is hurt, possibly even the block if it spun a main bearing or something.

    "JY" meant junkyard I think.
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    Yeah, JY means junk yard....Everyone is always abreviating stuff on the web, but of course I make one up that isn't common....Actually, I never get things right; Back in school, everyone was saying "groovy" and I was saying Good, then I moved up to "Groovy" and everyone else had moved on to "Bad"......Then I moved to "Bad" and they moved on to "Cool"....Hey, I finally caught up....Cool!.....I think......
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    Quote Originally Posted by cvxjet View Post
    Yeah, JY means junk yard....Everyone is always abreviating stuff on the web, but of course I make one up that isn't common....Actually, I never get things right; Back in school, everyone was saying "groovy" and I was saying Good, then I moved up to "Groovy" and everyone else had moved on to "Bad"......Then I moved to "Bad" and they moved on to "Cool"....Hey, I finally caught up....Cool!.....I think......
    Hahaha yep youre cool now... guess I have to see what's there in terms of parts
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    Looks clean with plenty of nice stuff
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  15. #13
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    Default Commander..

    What year is it? Need to compare prices of others in good shape to know what it is worth..
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    97 commander open bow
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