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

Timing chain jumped. Now may have bent valves.
Sorry to be the one to say this.

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84 500 SEL (307,xxx miles)

Yes.

Valves open are the only way to get zeros.

Sorry.

Tom W

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.

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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Blue Ridge Mercedes
Jonathan Hodgman
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Enthusiast Service, Restoration & Tuning.
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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.