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1
That maybe the best option. It also sounds like rod knock.  Maybe the engine got starved of oil or some like that.
2
You have low compression but it should still run well enough.
 I have found that you need to have the carbs synced or it will never run properly. You can find carb synchronizers on line and just follow the instructions. Both carbs have to open at the same amount and at the same time or you will get back fires and poor running.
3
Electrical and Instruments / Speedometer & tach
« Last post by jimpagoda on Today at 01:44:34 »
Hi to all
Any idea fabout those wires in the photo atttached
Thanks
4
Exhaust leak is indeed possible, that can sound the same as a valve tick.

Cees , Pinder
Thanks for the feedback

I think the sound from the computer is not as  strong as it is in real life.  They listened with a stethoscope and they think that it is louder in the area of #3 and #4.  I think they will try to open it up and if it needs a full rebuild i think we will go with metronics motors in SO CAL

Thanks i'll keep you informed    Arthur

 
5
Drive train, fuel, suspension, steering & brakes / M129 idling issues
« Last post by Heckflosse on May 21, 2024, 23:58:37 »
Hi from Alberta Canada!
I'm new to vintage Mercedes but not new to the old car hobby, having rebuilt and restored a number of Buicks and Oldsmobiles, yeah, I know, totally different animals.

So the problems I'm having are this; the engine will not idle, and the vacuum at 1000+ RPM is sitting at around 12 inches of vacuum, set the idle any lower and it's like throwing a switch, the car dies instantly. Now I've rebuilt the Zeniths, they were plugged up. I've replaced the fuel pump, filters and cleared out the fuel lines, both outlet and return, and drained off the tank. Screw plug is cleaned, the donut in the tank is clear, and the tank is so far free of rust. I now have fuel aplently, and the car starts right up better than it did before.

So I thought it was ignition; verified that the timing is correct and that the marks on the cam line up with the balancer, and there's no real slack in the chain. Redid the points, had good spark, and then replaced it all with electronic ignition, so now I have better spark and it's on time.

So I have gas and spark. Still no good. Compression is down a bit, 135, 125, 130, 115, 130, 135. Checked and redid the valve lash as per the manual, that is now set. Runs a bit smoother, but still getting backfire through the carb and a pronounced miss out the back.

So now it's looking like it's the cam. I have 2 more cams, both the same number, 1800518601, both with 86 on the back. The lobes on the two spares look a lot better than the one in the car which looks worn. I quick check with a micrometer shows that the one in the car is almost a millimeter shorter than the other two, plus there's a fair bit of wear showing on the lobes. Ok, how about oiling; - yes, the tube still flows oil, made a rather large mess proving it.

How difficult is it to shove one of these other cams in? Would it even be worth a try? Am I missing something obvious here?
Do I have to take the towers off? Or can I just release the rockers, turn out the bolt holding the timing chain gear and carefully waddle it out? Obviously, I'd measure off the journals before installing one of the others to see if it won't knock.

Now, before anyone jumps down my throat, I do intend to rebuild this motor completely, just not at this point. I still have no idea where to source pistons, rings, valves, etc. yet. I just want to get this thing running again so I can get some other issues attended to. The engine has 70K miles on it, and it appears to have spent a lot of time sitting, there's quite a bit of rust on the underside of that cam.

In case anyone is interested, the car is a 1966 W111 230S with a 1967 250S motor in it, standard transmission. The body is completely rust free so I'd like to keep this car.
6
Items for Sale / Re: 1969 European 280SL Automatic For Sale
« Last post by 69EUROPAGODA on May 21, 2024, 23:35:30 »
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Items for Sale / Re: 1969 European 280SL Automatic For Sale
« Last post by 69EUROPAGODA on May 21, 2024, 23:33:10 »
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Items for Sale / Re: 1969 European 280SL Automatic For Sale
« Last post by 69EUROPAGODA on May 21, 2024, 23:20:11 »
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Items for Sale / Re: 1969 European 280SL Automatic For Sale
« Last post by 69EUROPAGODA on May 21, 2024, 22:44:35 »
Additional Photos:
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Items for Sale / 1969 European 280SL Automatic For Sale
« Last post by 69EUROPAGODA on May 21, 2024, 22:42:48 »
After over 40 years in the family, it is time for our European Numbers-matching 3 owner 1969 280SL Automatic with 93,376 original KILOMETERS...to find a new home!  Below are a few initial details for your consideration:

- Imported from Germany in 1972 (second owner purchasing from original owner) as a high school graduation gift
- In 1982, the second owner's boyfriend damaged the front valance (aesthetic/cosmetic only)
- Instead of repairing the vehicle, having owned it for 10 years, the second owner decided to sell it and move on to a new car
- Purchased by our family in 1982 from second owner
- During the aesthetic/cosmetic repairs, our family changed the color from white to silver and reupholstered the interior
- The car has lived in Arizona since 1972 and garage kept
- Last year we:
  - Replaced the fuel system (tank/lines/filters/pump)
  - Installed new tires
  - Reconditioned the wheels (media blasted, primed, painted to match the car)
  - Replaced the brakes
  - Installed a new alternator
  - Paint work / Rejuvenation
  - More info. available upon request*
- Data card in-hand to verify vehicle information
- The soft top is intact, however it will not fully extend to the windshield due to two pieces (one on each of the base mount/hinges) that have broken

There is, naturally, a great deal more to share about the car.  I am happy to field all questions and provide more information & pictures as requested.  It is a beautiful car that you can enjoy as is or take and fully restore (as it is numbers-matching).

ASKING $70,000 USD

Enjoy!
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