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Longblock replacement hours

Old 02-10-2019, 07:43 AM
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Default Longblock replacement hours





Looking for some info on replacing a long block
Specifically, estimated time to pull original, disassemble, swap out components and reinstall/Align
1986 Silverton 34C
I am replacing starboard 350 / 270hp crusader inboard. Replaced the BorgWarner velvet drive trans last season
Plan on ordering a pre-vortek longblock from 1800runsnew in MA
Block has been replaced once in the boats lifetime (not sure when)
Plan on using the Marina where it is stored to do the work (Brewers Greenwich Bay marina)
Meeting with them in a few weeks to discuss the job
Hoping to have some insight prior to meeting with them
Components seems to be in decent shape. No rust etc
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Old 02-13-2019, 07:44 AM
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I would be surprised if they let you provide the engine. I know I wouldn't. I won't warranty any part that I didn't provide. Plus they would lose out on there mark up.
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Old 02-13-2019, 08:18 AM
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For clarification, what I meant to say was that I wanted to "recommend" 1800runs new long block give their reputation and convenient location
The Marina would work directly with 1800 on selecting the block/ordering/payment etc
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Old 02-13-2019, 09:44 AM
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Not sure if that engine is runing or if it's down already. I would be calling a bunch of marinas in the bay that have a lift and work on inboard and be getting estimates, you have a ton of options. I would be willing to bet that Brewers will be the most expensive by a long shot. There really isn't that much to swapping out a long block.
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Old 02-13-2019, 01:49 PM
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Originally Posted by eheath View Post
Not sure if that engine is runing or if it's down already. I would be calling a bunch of marinas in the bay that have a lift and work on inboard and be getting estimates, you have a ton of options. I would be willing to bet that Brewers will be the most expensive by a long shot. There really isn't that much to swapping out a long block.



It all depends on the boat. My 40 aftcabin would be a bear! Have to clear out everything in the salon, cut the salon floor out above where the engine is, place an I beam across the salon resting on the windows for a chain fall and the list goes on. Now if the engines are under a rear deck cover, that job is a piece of cake!
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Old 02-13-2019, 03:11 PM
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It's a 1986 34 Silverton. Open the slider, stick the crane boom in and pick it out. That's how we do it. Piece of cake, but like mentioned above Brewers is not cheap.
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Old 02-13-2019, 03:52 PM
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Originally Posted by classic162 View Post
It's a 1986 34 Silverton. Open the slider, stick the crane boom in and pick it out. That's how we do it. Piece of cake, but like mentioned above Brewers is not cheap.
That would be great if you had a 34 and not a 40 with an aft cabin. I have a friend that has the same boat as I have orther than his is a 89 instead of a 90. He ignored changing his risers and now has a major engine problem, no compression in 2 cylinders. Itís now on the hard in a boatyard. I suggested that he get the boat back into a dock at a marina that would allow repairs to be made. It could save him some big bucks. I donít know what his plans are but if it was my boat, I know I would try.

I am not sure what things fail when there is water intrusion. Offhand I donít see valve damage, my guess is broken pistons, maybe connecting rods even crank damage. Time will see what his plan is. IMHO, I would try to minimize the repair cost without screwing up the engine more than it is.
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Old 02-13-2019, 03:59 PM
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Originally Posted by foggysail View Post


That would be great if you had a 34 and not a 40 with an aft cabin. I have a friend that has the same boat as I have orther than his is a 89 instead of a 90. He ignored changing his risers and now has a major engine problem, no compression in 2 cylinders. Itís now on the hard in a boatyard. I suggested that he get the boat back into a dock at a marina that would allow repairs to be made. It could save him some big bucks. I donít know what his plans are but if it was my boat, I know I would try.

I am not sure what things fail when there is water intrusion. Offhand I donít see valve damage, my guess is broken pistons, maybe connecting rods even crank damage. Time will see what his plan is. IMHO, I would try to minimize the repair cost without screwing up the engine more than it is.
Bet he has bent valves in those 2 cylinders. Some times you can get lucky and just do a valve job on the heads. Other time it means a block replacement. I have replaced engines in aft-cabin boats, your right its a pain.
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Old 02-13-2019, 04:25 PM
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Originally Posted by classic162 View Post
Bet he has bent valves in those 2 cylinders. Some times you can get lucky and just do a valve job on the heads. Other time it means a block replacement. I have replaced engines in aft-cabin boats, your right its a pain.

Gosh, for my friendís sake, I hope you are right!!! I told him he would be much better off getting a local mechanic in there to do the repairs. Sometmes I donít know what he is thinking about. I will pass onto him what your thoughts are. THANKS!
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Old 02-13-2019, 04:56 PM
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Have someone pull the heads. we have done this many times if you get to it right away and don't let water sit in the cylinders.
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Old 02-13-2019, 06:03 PM
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I think you have a big decision. Prevortec small blocks seem awfully underpowered for a 34 foot fly bridge. You are spending some serious money on what you are planning to do. But if your budget allows why not considering repowering to bring some more life into that boat. Two carbureted smallblock crusaders at 300 hp. Or two MPI at 330 hp. I hate to see you spend all that money for no benefit. I know itís a lot bigger investment. But if you like the the boat and are planning to keep for many more years, then go for it. Way less cost than than a new 34 boat. A decision you wonít regret.
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Old 02-13-2019, 06:13 PM
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Brewers will be over 10k for that job. Be prepared. Crusader does have complete carb replacement engines for those. Or at least they did a couple years ago,
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