WTB: Bad S65 engine

[DetroitP]

Hi,
I am looking to build a side motor over the winter, so if you have a bad S65 you're looking to sell let me know.
preferably local to Michigan!

Thx

[M3nity]

I have one

[deansbimmer]

There are currently a couple on eBay as well. The problem will be finding one with a usable block. Just about every type of common failure with these engines usually result in a non-rebuildable block.

[DetroitP]

Originally Posted by deansbimmer

There are currently a couple on eBay as well. The problem will be finding one with a usable block. Just about every type of common failure with these engines usually result in a non-rebuildable block.

Good points!
Can you point out some of the things to look for that could make the block non-usable?
Thx

[deansbimmer]

Originally Posted by DetroitP

Good points!
Can you point out some of the things to look for that could make the block non-usable?
Thx

You will have ZERO way of telling for sure until you've bought and disassembled the engine (removed the bed plate and crankshaft). Most failures with these engines are oil related. A few are injector failures. Injector failures usually damage the cylinder's wall so to save those blocks you'd need to bore it out and use custom pistons ($$$).

Oil and bearing failures... If a rod bearing fails they usually aren't caught in time and shut off before either the rod blows and puts a hole in the block or the main spins due to the heat. Many times the rods have failed secondary to a main bearing failure. Those main failures always result in a cracked main bearing web which scraps the block. So basically any type of oiling related issue will usually ruin the block (even if it's still running at time of removal).

There is a very short window of allowable time between when a bearing fails and when it eats the block. Most engines suffer bearing failures and the owners keep running them to diagnose the failure- taking videos, driving to various shops to listen, etc... They unwittingly finish them off.

9 out of 10 bad engines we get as cores have unusable blocks. Many of them still run. I've got pallets of S65 parts and no good blocks to be able to build engines with.

Unless they've already dismantled the engine to diagnose component condition, (why not rebuild themselves at that point?), Sellers will have no way to say whether the engine is truly rebuildable. They'll plead ignorance so they can unload their pile of parts.

[DetroitP]

Originally Posted by deansbimmer

You will have ZERO way of telling for sure until you've bought and disassembled the engine (removed the bed plate and crankshaft). Most failures with these engines are oil related. A few are injector failures. Injector failures usually damage the cylinder's wall so to save those blocks you'd need to bore it out and use custom pistons ($$$).

Oil and bearing failures... If a rod bearing fails they usually aren't caught in time and shut off before either the rod blows and puts a hole in the block or the main spins due to the heat. Many times the rods have failed secondary to a main bearing failure. Those main failures always result in a cracked main bearing web which scraps the block. So basically any type of oiling related issue will usually ruin the block (even if it's still running at time of removal).

There is a very short window of allowable time between when a bearing fails and when it eats the block. Most engines suffer bearing failures and the owners keep running them to diagnose the failure- taking videos, driving to various shops to listen, etc... They unwittingly finish them off.

9 out of 10 bad engines we get as cores have unusable blocks. Many of them still run. I've got pallets of S65 parts and no good blocks to be able to build engines with.

Unless they've already dismantled the engine to diagnose component condition, (why not rebuild themselves at that point?), Sellers will have no way to say whether the engine is truly rebuildable. They'll plead ignorance so they can unload their pile of parts.

Thank you for the feedback!