K Guys i have the car in my driveway now, Its an 89, 760 Turbo, No visiable damage, hell the car even starts and run's like shit but it actually will stay running by itself, act's like it's missing on 1-2 cyl's. Im going to try to pull the head this sunday and get a look in there, thanks for the great advice Aye Roll, i will be looking for a melted piston, if i see none and spot a blown gasket im going to replace the gasket and give it a try and see if it will run and drive fine if not ill be off for a new head, well ill add the cost's up, if its cheaper for the head, bolts and gasket set's ill do that if more then ill get the used engine from a yard somewhere.

A melted piston will have lots of blow by, and there will be lots of vapor spewing out of the oil fill opening (with the oil fill cap off, of course)when the engine is running. A melted piston looks like this from above,


When the piston is remove, it looks like this,


A used engine is far cheaper than repairing the damaged one.

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john

Excelent pic's thanks, those visuals will deff come in handy when i get the head off.

J

Great Photos. What did that cylinder look like? I can't imagine it was salvageable.

The only way to salvge that cylinder would be to bore and sleeve it. I bought an excellent used K block B230FT (less turbo) for $125 instead.
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john

I am hopeing to have the head off by Sunday morning so i know what exactly im dealing with, if the pistion is shot ill just go out and get a used engine from the J yard and throw it in with new seal's and the such.

I can hear inspector Clouseau now: "I have a blwen engine!"

congrats...I have a '90 760 and love it...It impossible to say anything for sure from this and previous posts but...It would not suprise me at all...and you would certianly not be the first to get away with "just a head gasket" these are unbeliveably tough little engines.
Good luck
Bret
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rust free in west Texas

i did noy read your previous post,but before you pull the head i would suggest you do a compression check on the engine to get an idea at least.good luck anyway.charles.

Damn! thats na good idea, cant believe i didnt even think about it, i actually have a testing device i bought last year i can use, i will do that, i assume wherever the pressure isnt is where the gasket is most likley gone or piston anyways.