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-   -   $6,000 for 5.7 engine work? (https://www.offshoreonly.com/forums/general-q/130277-%246-000-5-7-engine-work.html)

sleek1 05-18-2006 04:32 PM

Re: $6,000 for 5.7 engine work?
 
Thanks for the help guys. The water sat in the engine all winter (phoenix) as I did not know there was a problem. I'm going to Mexico this weekend. When I get back maybe I'll try to get the heads off and take a look around. Then decide what I need to do.

chuck21401 05-23-2006 02:18 PM

Re: $6,000 for 5.7 engine work?
 

Originally Posted by sleek1
1998 Baja 5.7 248 hours. Thought I had a starter problem. Mechanic came out and there was water in the cylinders 3 of 8. Says he needs to pull the engine, machine it, and rework the heads. Will put a better cam and I think roller rockers for 6k. Said this is the only way to do it right. With out tearing it down he doesn't know if it's a bad intake manifold or heads but either way the block should be machined. Does this sound like my best option. Wasn't prepared to drop 6k.

That stinks...and I'm in the same situation but with a 454 magnum and 730 hours. Thought I had a battery problem...then a starter problem. Mechanic pulled the spark plugs and water puked out. I'm thinking a long block + new exhaust + whatever other parts I need is the way to go.

rackster 05-23-2006 02:48 PM

Re: $6,000 for 5.7 engine work?
 
The first thing is to find what caused the water to get into the cylinders (leaking exhaust/intake manifold,cracked head,etc.). You can't get an estimate for repair if you don't know what is broken. The only other alternative would to replace everything (long block, intake, and exhaust manifolds). Even then, I would have to wonder, what caused the original failure :rolleyes:, and how do I know that it won't damage my new parts :eek: .

chuck21401 05-23-2006 02:59 PM

Re: $6,000 for 5.7 engine work?
 

Originally Posted by rackster
The first thing is to find what caused the water to get into the cylinders (leaking exhaust/intake manifold,cracked head,etc.). You can't get an estimate for repair if you don't know what is broken. The only other alternative would to replace everything (long block, intake, and exhaust manifolds). Even then, I would have to wonder, what caused the original failure :rolleyes:, and how do I know that it won't damage my new parts :eek: .

Hey no doubt. In my case I don't want to spend a bunch of money on an autopsy. Sometimes it make sense to get all new parts and be done with it.

My question is, do you buy a new long block, a rebuilt long block or do a full rebuild of what you have?

jmherbert 05-23-2006 03:09 PM

Re: $6,000 for 5.7 engine work?
 

Originally Posted by chuck21401
Hey no doubt. In my case I don't want to spend a bunch of money on an autopsy. Sometimes it make sense to get all new parts and be done with it.

Make sure you get ALL new parts, or you may be in the same 'boat' as me. I built a new motor with all new components except exhaust and some rebuilt heads, and ends up both exhaust and heads were leaking water.

Talk about Murphy's law...

chuck21401 05-23-2006 03:12 PM

Re: $6,000 for 5.7 engine work?
 

Originally Posted by jmherbert
Make sure you get ALL new parts, or you may be in the same 'boat' as me. I built a new motor with all new components except exhaust and some rebuilt heads, and ends up both exhaust and heads were leaking water.

Talk about Murphy's law...

Sorry to hear that. As discouraging as all of this is....I am not going to buy a sailboat.

jmherbert 05-23-2006 04:07 PM

Re: $6,000 for 5.7 engine work?
 

Originally Posted by chuck21401
Sorry to hear that. As discouraging as all of this is....I am not going to buy a sailboat.

After my third try and still getting water in the crankcase, I remember cussing at sailboats....

Oh well, Because of this I'll spend more money and get more horsepower!

GOODT 05-23-2006 04:16 PM

Re: $6,000 for 5.7 engine work?
 

Originally Posted by MOP
In your initial post you mentioned better cam & rockers, tells me you are looking for a little more go. Put you external accesories on and new exhaust on the engine in the link below and go and have a good boating season


http://store.summitracing.com/egnsea...1&autoview=sku


untill the salt water eats out your head gaskets (2nd or 3rd time out)


then you can get another one, just make sure you put quick disconnects on the motor mounts
:eek: :eek: :eek:

cuda 05-23-2006 04:24 PM

Re: $6,000 for 5.7 engine work?
 

Originally Posted by jmherbert
Make sure you get ALL new parts, or you may be in the same 'boat' as me. I built a new motor with all new components except exhaust and some rebuilt heads, and ends up both exhaust and heads were leaking water.

Talk about Murphy's law...

I rebuilt an engine myself a while back. I KNOW I did everything right. I slapped on a set of rebuilt head without checking them, and I paid the price. :( :mad:

sleek1 05-23-2006 06:13 PM

Re: $6,000 for 5.7 engine work?
 
Cuda,
do u have a lot of mechanical experience? Thinking about pulling the exhaust and heads off this week. Problem is I've never done anything this involved. I'd consider myself pretty mechanically inclined. Just feel like I need to see what's going on. If it becomes too much I could take it to a shop another buddy of mine recommended. This same friend said he would help me but the tone in his voice told me he wasn't overly joyed about doing so. I don't want to put him out.


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