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Old 04-29-2020, 09:58 PM   #21
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That makes perfect sense. I had already scratched my head as to why only one bolt in the center was holding the cap on. It seems like a recipe for a leak. I was working toward the decision to open up the heat exchangers already after musing over that picture a bit. I snapped it just to be a reference for that pondering session. I have read up on the process a bit, but will peruse the manual this weekend and order the gaskets. I may or may not have some in the on-board spares but even if I do, I will need to replace them. I was not impressed by my view down the holes when the zincs were removed.
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Old 05-08-2020, 12:49 PM   #22
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Long.lost.brother?

Welcome aboard Shipmate, your story is so eerily similar that you might be my alter ego! Bought my GB42 Classic 3yrs ago. Still active Navy, 30+yrs and going...
I saw that HX verdigris snap and had same issue. Isolated intake, Pulled end cap, refurb'd gasket, pipe-cleanered the tubes while I was in there and sealed with non-binding aviation gasket lube. Not a drip of green since. John Deere's?
Cheers, Cap'n Jake
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Old 05-08-2020, 12:57 PM   #23
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Welcome Aboard

We too own a Grand Banks, a 1989 46í that we try to keep looking new.

We also own and manage a not for profit organization, Boatwatch.org, whose mission is to assist in the search for overdue and missing vessels worldwide.

Check out our website sometime. I would enjoy chatting about your GB.

Glenn
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Old 05-08-2020, 01:16 PM   #24
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Originally Posted by Choices View Post
There are a lot of GBs around you. Welcome.
One of the GB42s near you at the Galveston YC Marina is my old Calypso (still bears the name). So you have stabilizers, you say? Can you expound on them?
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Old 05-08-2020, 01:31 PM   #25
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Welcome aboard from a day's cruise down the coast! (Matagorda)
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Old 05-08-2020, 03:23 PM   #26
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I have owned my Grand Banks 42 Classic almost a year now and am wondering why I am just now joining this forum, which I have searched for advice on numerous occasions. I am a do-it-yourselfer and have been slowly learning the intricacies of the various systems aboard and have gotten a pretty good feel for handling the boat at this point. We spend more time in the slip than underway, but I enjoy every minute regardless. Well, when my head is bleeding from whacking the overhead in the engine room is not enjoyable, but I got me a fancy bump cap and now, every time I whack it on the overhead, I think to myself that I have prevented yet another split scalp, and that is somewhat satisfying.

From the time my family moved back to the Houston area from El Paso when I was 3, I have loved being on or near the water. I am a maritime lawyer by background, but for the last 15+ years have been an executive with a domestic marine transportation company. I served 21 years in the Naval Reserve as an intelligence officer. I have always wanted a trawler and had the opportunity to purchase a well maintained and equipped Grand Banks 42 Classic from a fellow club member (I think I am the fourth member of the club to own her). So, now I am a happy camper. My lament is that I cannot get enough time away from work to go anywhere exciting, but I can still dream of the day I can take a longer trip. The COVID-19 situation has demonstrated that I can continue to work and not be in the office, so maybe I can cut loose sometime soon.

My wife is a good sport and has found that patches, ginger and other remedies keep her seasickness at bay. She has taken to updating the curtains, pillows and other necessaries while I have been fiddling with more trivial items like zincs, seacocks, pumps and wiring. Together, we make a petty good team.
Welcome aboard. Where do you keep your boat? What is your hull number and where was it built? My 36 is #712, built in Singapore.
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Old 05-08-2020, 04:34 PM   #27
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Welcome aboard. Where do you keep your boat? What is your hull number and where was it built? My 36 is #712, built in Singapore.
Mine is 660, also from Singapore. I keep her in Houston at the Houston Yacht Club.
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Old 05-08-2020, 04:39 PM   #28
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Quote:
Originally Posted by Captain Jake View Post
Welcome aboard Shipmate, your story is so eerily similar that you might be my alter ego! Bought my GB42 Classic 3yrs ago. Still active Navy, 30+yrs and going...
I saw that HX verdigris snap and had same issue. Isolated intake, Pulled end cap, refurb'd gasket, pipe-cleanered the tubes while I was in there and sealed with non-binding aviation gasket lube. Not a drip of green since. John Deere's?
Cheers, Cap'n Jake
Not John Deeres. They are Ford Lehman 120s. Normally red, but some that were marinized at the Grand Banks factory were painted gold. That is the story I have heard, so I am sticking with it. I would prefer the red myself but as long as I can buy duplicolor universal gold engine paint, I guess I am OK.
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Old 05-08-2020, 04:45 PM   #29
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That 'domestic marine transportation company' where you work wouldn't happen to be Dixie Marine? If so I was formerly one of your bankers - back in the early to mid 90's. I was head of our transportation finance dept - trains, boats and planes - fun times.
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Old 05-08-2020, 04:45 PM   #30
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Originally Posted by rgano View Post
One of the GB42s near you at the Galveston YC Marina is my old Calypso (still bears the name). So you have stabilizers, you say? Can you expound on them?
They are Naiad hydraulic tab stablizers. They work well to eliminate rolling while underway. Does that answer your question?
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Old 05-08-2020, 04:49 PM   #31
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That 'domestic marine transportation company' where you work wouldn't happen to be Dixie Marine? If so I was formerly one of your bankers - back in the early to mid 90's. I was head of our transportation finance dept - trains, boats and planes - fun times.
That is one of the heritage companies under our umbrella, but we are known by the parent corporate name now.
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Old 05-08-2020, 04:58 PM   #32
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Originally Posted by Parrothedd View Post
We too own a Grand Banks, a 1989 46í that we try to keep looking new.

We also own and manage a not for profit organization, Boatwatch.org, whose mission is to assist in the search for overdue and missing vessels worldwide.

Check out our website sometime. I would enjoy chatting about your GB.

Glenn
941-456-5070
Your organization Boatwatch.org is amazing. Founded in 2001 !
Congratulations & good luck
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Old 05-08-2020, 05:37 PM   #33
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Originally Posted by HONUHYC View Post
They are Naiad hydraulic tab stablizers. They work well to eliminate rolling while underway. Does that answer your question?
Quite, thank you.
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Old 05-08-2020, 05:56 PM   #34
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Originally Posted by HONUHYC View Post
Not John Deeres. They are Ford Lehman 120s. Normally red, but some that were marinized at the Grand Banks factory were painted gold. That is the story I have heard, so I am sticking with it. I would prefer the red myself but as long as I can buy duplicolor universal gold engine paint, I guess I am OK.
Here's the color the FL120s were painted circa 1972 on my GB 42 hull 295 built Hong Kong.
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DSC00154.jpg  
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Old 05-08-2020, 07:19 PM   #35
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Here's the color the FL120s were painted circa 1972 on my GB 42 hull 295 built Hong Kong.

Clean engine room !
Built Hong Kong so she was a woody.
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Old 05-08-2020, 09:14 PM   #36
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Clean engine room !
Built Hong Kong so she was a woody.
And a dry bilge!
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Old 05-10-2020, 09:53 AM   #37
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Welcome to TF! During your first year on the forum you will need to agree with everything I post and send me money each month as a token of your appreciation. In the alternative, having your boat delivered to my marina for my use would be acceptable.
Nice GB! Welcome. This place is an incredible resource. Bill
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Old 05-10-2020, 11:40 AM   #38
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Those heat exchanger caps rely on crown to seal around the edges, and caps can get flattened out from over tightening.
You can carefully work some crown back into them with a ball peen hammer.
Reinstall with new gaskets, Tony Athens recommendation is to use Rector Seal #5 to insure seal. Don’t overtighten when reinstalling!
New heat exchanger gaskets are an annual maintenance item on my boat, along with raw water impellers.
That may be overkill, but I see it as cheap insurance!
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Old 05-10-2020, 08:20 PM   #39
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Welcome to TF! During your first year on the forum you will need to agree with everything I post and send me money each month as a token of your appreciation. In the alternative, having your boat delivered to my marina for my use would be acceptable.
Nice GB! Welcome. This place is an incredible resource. Bill
I grovel in your general direction, sir!
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Old 05-10-2020, 08:33 PM   #40
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Originally Posted by kapnd View Post
Those heat exchanger caps rely on crown to seal around the edges, and caps can get flattened out from over tightening.
You can carefully work some crown back into them with a ball peen hammer.
Reinstall with new gaskets, Tony Athens recommendation is to use Rector Seal #5 to insure seal. Donít overtighten when reinstalling!
New heat exchanger gaskets are an annual maintenance item on my boat, along with raw water impellers.
That may be overkill, but I see it as cheap insurance!
Thanks for the insight. The new gaskets were delivered on Friday, along with the new lube oil coolers. I may wait for a few weeks before breaking things apart. We have opening day, christening and a boat parade at our club over the Memorial Day weekend (all socially distanced). After all the time my wife spent making new curtains and buying new rugs, we will not have an "open boat" as part of the festivities. Just in case I get into this and decide to start ripping things apart and take them out for cleaning or replacement, I want to get this little bit of steaming behind me. Experience tells me that once I am into it, something will go wrong or I will find something else I don't like and want to replace while I am in there, so doing it the night before the parade is not a good idea.

I thought I had a pretty clean engine and engine room, but seeing some of the photos people have posted has shown me I have a lot of work to do. I am already assembling the materials to get after the rust and other corrosion and make things look better. My plan is to leave some bare metal on the lube coolers under the bracket and put some penetrox in there to ensure it is well bonded with the engine. Hopefully that will lessen corrosion, but still allow all visible surfaces to be painted.
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