1976 450sl cam alignment marks? - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 02-24-2010, 07:09 PM Thread Starter
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1976 450sl cam alignment marks?

I just got this 1976 450sl from a friend that needed money and he was in the middle of a head job. I know the process of putting the engine back together but the cams were not marked and I don’t know where to align the cams? I see the grove were the key is located on the cam washers and I see two marks on the first cam bearing holder; one were the oil tube is and one a little below that. I am needing to know where to align the cams to put the timing chain on? Any assistance would be greatly appreciated. Thanks.
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post #2 of 2 (permalink) Old 02-25-2010, 03:52 AM
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Got a valve spring compressor for a mercedes V8?
If you have one,remove the rocker arms ,then set the crank to number one top dead center by the marks on the damper. Then turn the cams so the groove on the washer behind the cam gears lines up with the raised line on the number one cam tower on each head. As long as the chain and chain tensioner are new the marks should line up OK. I remove the xchain wheels when doing this so i can turn the cams and line them up,then just fit drape the chains over the gears and pop them on,refit the tensioner and wind the engine over to make sure everything is OK.

a friend that needed money and he was in the middle of a head job
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