Re: [DML] Is the Delorean engine an Interference Engine?
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Re: [DML] Is the Delorean engine an Interference Engine?

The Delorean PRV is an interference engine, but just barely.  The valves 
will just mark the top of the piston if the cams are not turning and the 
crank is.  That said, I've never encountered cam chains broken from 
wear: never.  A greater danger is loss of oil pressure that will allow 
the chains to loosen and perhaps jump time.  Even more dangerous is 
severe overheating that that can pop out a valve seat which will hang up 
in the combustion chamber, putting a hole in the piston or bending a 
valve or rod.  That will break your chain.
Warren at DMC

mike p wrote:
> Hi, I'm concerned about my timing chain going and more concerned about  what will happen to the engine if the timing chain breaks. 
>   If the Delorean engine is an interference engine, then I understand it  will be trashed if the timing chain breaks.  My car has over 140K  miles, although the seller and odometer said it only had 40K miles, and  I am considering replacing the timing chain.  
>   Does anyone know what signs I should look for if the chain is about to go?, pinging?
>   Thanks,
>   Mike
>   #5781

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