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Old 06-24-2014, 01:56 PM   #1
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Default Cracked Block & Replacement/Repair Alternatives

I've been informed that the engine in my '98 2000 SCL was not properly winterized & suffered crack(s); marine mechanic recommended replacement at $7500. Searching for alternatives & options and would welcome any and all productive input. I have to be a realist & admit that, although mechanically inclined and equipped with tools, I'm not certain I have the confidence to tackle this project myself unless somebody has devised "An Idiot's Guide to Marine Engine Repair or Replacement".

Scrapping the boat is NOT an option. It's fully loaded, was very well maintained by the previous owner and was purchased during a divorce dispute for only $2500. With what's been added and the extras + options + toys it's appraised at around 10k. I'm stubborn (or stupid!) & will not have this craft go to waste.

If replacement is inevitable, considering stepping up from 305 to 350.

Thoughts, suggestions, warnings, ideas....lemme have 'em!
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Old 06-24-2014, 02:43 PM   #2
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First welcome to the website Rider.

I would check around to different marinas for prices. Sounds like you don't have much invested so if you got the bank roll do whatever it takes. I would stay with the 305 because everything will fit back together. Is the block the only thing you are replacing or is this a whole new engine you have to get? Sounds like a brand new engine. Get a the "Boating" mag and in back with all the adds you will see a rebuilt drop-engine starts around $3 grand.

Labor not engine parts is what will be expensive so if you want to tackle something like this you will save money doing it yourself.

I sure others will chime in to help,

Roger
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Old 06-24-2014, 03:02 PM   #3
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Thanks, Roger! Mechanic quoted $4000 for remanufactured engine, $3500 for labor, 2 week turnaround. I've yet to tackle a mechanical project that I couldn't complete but am not afraid to admit that this scares me. I want it done right & respect a business's right to be profitable, but $110 an hour hurts.

As for 305 vs. 350, we just cruise, tube & ski so more power isn't necessarily a concern. I did see a post that 350's were more popular & therefore more available for less. I'll have to research that also.

I just need somebody to smack me upside the head to get my attention & convince me that I can do this myself. Would offer that opportunity to my wife but she'd enjoy it too much!
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Old 06-24-2014, 03:43 PM   #4
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Rider if you have the $$$$$'s go with the 7500. Two weeks you have a warranty plus a boat to use.

On the other hand do you have all the eqipment to pull an engine out?Rental? Costly

Time, how valuable is your time? Do you have time?

Think this over...before you jump :-)

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Old 06-25-2014, 02:00 AM   #5
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Good news! I have found a remanufactured engine with a warranty AND a reputable, trustworthy mechanic to install it. Total estimated savings: $3300.

QUESTION: In researching the posts I've noticed numerous recommendations for stepping up to the 5.7L 350 over the current (and cracked) 5.0L 305. Are these engines interchangeable with the same mounts, pumps, manifolds etc. or am I asking for trouble by trying to add some OOMPH? As per above post from Roger, there's already 1 vote for sticking with the 305.

Opinions & feedback welcome!
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Old 06-25-2014, 02:39 AM   #6
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Rider welcome.

The 350 will bolt right in. The one thing to look at is if the old fuel pump is mechanical or electric and what the new block is set up for.
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Old 06-25-2014, 02:42 AM   #7
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Since the engine was not winterized properly what about the exhaust as it is water cooled as well?
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Old 06-25-2014, 02:48 AM   #8
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Thanks, Mike. I guess I need to educate myself on what is included when one buys a remanufactured engine. Am I just buying the block, cylinder heads, oil pan & such & then stripping other components from the old engine? I also need to determine how to know if the manifolds were cracked in the freeze. Lots to learn.
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Old 06-25-2014, 02:53 AM   #9
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Typically a rebuilt long block is the block with crank, rods, pistons, cam and gears, and heads. No tin (oil pan, valve covers, timing chain cover) , no intake or exhaust, no flywheel, no...


Go to a marine engine web site such as Doug Russell and look at what a rebuilt engine comes with then a new long block and then a complete engine.

If all bolt on's are good either the new or rebuilt is the way to go
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Old 06-25-2014, 03:00 AM   #10
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That's what I need to determine....what exactly was damaged beyond use, what comes on a "remanufactured" engine, whether a reman is better than a rebuilt is better than a used, etc etc. I'm not shy about admitting that I'm new to this experience and need some pointers, advice, guidance, whatever. Better to admit that I need help than to get in the middle of a reservoir and discover that my stupidity put my family at risk.

Again, I'll take ANY info available! Thanks for the responses so far...keep 'em coming.
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