Oil out, engine sick. Next...?
#1
Oil out, engine sick. Next...?
Well, it happened, oil out on the XK8 and at interstate speeds too. The driver pulled over as soon as possible and the engine stalled (siezed, I guess).
I probably shouldn't have but I got it started again (after adding oil). It is noisy like a **** with a very loud rattle and it won't be being driven in that state. Good news is that the turnover was reasonable smooth so I'm thinking I don't have a stuck valve or anything nasty like that. However, as pretty as it is as a driveway ornament, I need to get it back to being drivable (hopefully).
So first question is what is likely to be up with it? Searches I've done have turned up results for other engines which suggest it could be the con-rod bearings.
Either way, it looks like this is going to be an involved process. What's my best bet do you think? Going for a rebuild or simply replacing the engine? I'm more concerned with doing this economically than in a hurry.
I probably shouldn't have but I got it started again (after adding oil). It is noisy like a **** with a very loud rattle and it won't be being driven in that state. Good news is that the turnover was reasonable smooth so I'm thinking I don't have a stuck valve or anything nasty like that. However, as pretty as it is as a driveway ornament, I need to get it back to being drivable (hopefully).
So first question is what is likely to be up with it? Searches I've done have turned up results for other engines which suggest it could be the con-rod bearings.
Either way, it looks like this is going to be an involved process. What's my best bet do you think? Going for a rebuild or simply replacing the engine? I'm more concerned with doing this economically than in a hurry.
#2
I can feel the pain.
Never a minor incident when this happens. Even if switched off immediately and coasted to a halt, the damage is usually done.
Main bearings and big ends are usually the first to give up if all the oil is lost. The associated sound is a heavy rumble. Rattles tend to be from the top end.
For me in the UK, it would be a simple decision to go for a replacement engine as these are easily obtainable. This option may be more difficult for you in the US. The alternative of a fully rebuild will be very costly if there's crankshaft damage which is beyond an undersize regrind.
Good luck.
Graham
Never a minor incident when this happens. Even if switched off immediately and coasted to a halt, the damage is usually done.
Main bearings and big ends are usually the first to give up if all the oil is lost. The associated sound is a heavy rumble. Rattles tend to be from the top end.
For me in the UK, it would be a simple decision to go for a replacement engine as these are easily obtainable. This option may be more difficult for you in the US. The alternative of a fully rebuild will be very costly if there's crankshaft damage which is beyond an undersize regrind.
Good luck.
Graham
#3
I agree with Graham. Go for a used engine. They are turning up with some regularity here in the US due to wrecks (body trashed but engine okay).
By the time you tear an engine down, ascertain what parts and tools you may need and what you "may as well do while it's apart" - will have a lot more invested than you ever imagined.
By the time you tear an engine down, ascertain what parts and tools you may need and what you "may as well do while it's apart" - will have a lot more invested than you ever imagined.
#4
Well, it looks like starting price for a used engine is about $2500 plus 300 shipping from these guys: Purchase Your Engine From 123Engine.com . Potentially less if I just pick up something used and if I can get it more locally.
I think I will start by removing the engine and begin tearing it down and will look out for a replacement in the interim. I am just beginning to look into the process but one of the big issues I am potentially seeing is that it looks like the procedure is to remove the crankshaft and have it polished then refit oversized bearings (since wear will have been caused). I'm just not sure where to get oversized bearings from. I have managed to turn up replacements for the OEM but that won't be what I need?
I think I will start by removing the engine and begin tearing it down and will look out for a replacement in the interim. I am just beginning to look into the process but one of the big issues I am potentially seeing is that it looks like the procedure is to remove the crankshaft and have it polished then refit oversized bearings (since wear will have been caused). I'm just not sure where to get oversized bearings from. I have managed to turn up replacements for the OEM but that won't be what I need?
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