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  #1  
Old 05-02-2008, 11:25 PM
Phoenix, AZ
 
Join Date: Mar 2008
Posts: 16
No compression 5 thru 8

1985 380SE 126 116.963 3.8L V8.
Started with a no start issue check all the relays ect.
did a compression test today and 1 thru 4 were all at 121 or 122.
5 thru 8 have 0 lbs. The needle does not even flicker.
I havnt taken of the valve cover yet kindof afraid of what it may look like.
Does this sound like a head gasket or maybe the cam on drivers side?
I have no idea what to expect. any help is much appreciated
Thanks again for your time and for sharing your knowledge.
This site ROCKS!!!

Don

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  #2  
Old 05-03-2008, 07:40 AM
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Join Date: Jan 2003
Location: Matthews, NC
Posts: 1,356
Timing chain jumped. Now may have bent valves.
Sorry to be the one to say this.
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  #3  
Old 05-03-2008, 08:14 AM
t walgamuth's Avatar
dieselarchitect
 
Join Date: Apr 2005
Location: Lafayette Indiana
Posts: 35,534
Yes.

Valves open are the only way to get zeros.

Sorry.

Tom W
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..I also have a 427 Cobra replica with an aluminum chassis.
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  #4  
Old 05-03-2008, 01:34 PM
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Join Date: Feb 2004
Location: Atlanta, GA
Posts: 1,405
Expect to lay out a good bit of $$ to fix it properly...likely more then the car is worth unless it's in pristine condition otherwise :-/

Were I in your shoes I'd start looking for a Euro 500 drive line to drop in.

Jonathan
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  #5  
Old 05-03-2008, 03:29 PM
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Join Date: Aug 2003
Location: Phoenix
Posts: 3,726
Valve damage is going to cause a certain amount of comotion and calamity from metal hitting metal. If you didn't have that you may not have a ruined engine. A jumped timing chain doesn't necessarily ruin an engine.

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