Water in oil pan!!

[Callofmine23212]

So I have a mercruiser 140hp and water is getting in to the oil pan when I run it idk what it is does anyone have an idea

 

[Bondo]

Ayuh,..... Most likely an internally cracked block,.....

 

[Callofmine23212]

How can I fix that cuz I'm trying to go cheap and not so much work but the last guy said he ran it and then oil got in the oil he thinks head gasket and I have a motor that's a parts but it haves a cracked block

 

[Rick Stephens]

No one can answer that without knowing what is cracked blown or open to rain.

 

[Rick Stephens]

Just know that boats and cheap are two words that don't go well together.

 

[Bondo]

and I have a motor that's a parts but it haves a cracked block

Ayuh,...... Now you've got 2 parts motors, with cracked blocks,.....

Isolate, 'n pressurize the block's coolin' passages, 'n listen,.....
Then follow the sound to the cracks,.....

My Guess is, the inside wall, opposite the drain plug,....

 

[Scott Danforth]

How can I fix that cuz I'm trying to go cheap and not so much work but the last guy said he ran it and then oil got in the oil he thinks head gasket and I have a motor that's a parts but it haves a cracked block

you fix it by getting a non-cracked block. basically buy a cheap rotten bayliner hull with the 3.0 in it and scrap the boat hull, keeping the motor.

 

[Paintman1960]

Scott, We callem', bottomliners 'round here !!

LMAO

 

[Callofmine23212]

I got another but now it's not starting it haves spark and gas still nothing every 25 secs it backfires the back to the normal cranking

 

[Callofmine23212]

I scraped the other motors and starter is good. New plugs and idk if it haves a kill switch me and the mec are lost thanks to brainerd mn they don't know anything about boats same as me

 

[Callofmine23212]

Now is just cranking no back fire

 

[Scott Danforth]

Did you set timing?

 

[Callofmine23212]

I never touch timing other then water pump this is all I did to it

 

[Bondo]

Now is just cranking no back fire

Ayuh,.... Service the points in the distributor, 'n set the timing, 'n dwell,....

 

[gr8knurlin]

LOL.... looks like a living room floor rebuild, obviously single?

 

[Eric 3.7LX Alpha 1]

LOL.... looks like a living room floor rebuild, obviously single?

Yeah, that wouldn't work here in my house.

 

[Scott Danforth]

I never touch timing other then water pump this is all I did to it

so you didnt do a proper job. like bondo stated, service the points, set the dwell (with a meter) and then set timing

 

[Callofmine23212]

OK and yes it's my sumer house I use it to rebuild stuff and **** around my girl helped with most of it sadly

 

[Grub54891]

I scraped the other motors and starter is good. New plugs and idk if it haves a kill switch me and the mec are lost thanks to brainerd mn they don't know anything about boats same as me

Good Marine mechanics are getting harder to find. Sound's like your mechanic needs some schooling. Spark, compression, fuel. Just have to know when it's all supposed to happen in the right order.