Camshaft Compatibility

628 Views 4 Replies 3 Participants Last post by jackjtr, Jul 4, 2017

jackjtr

Discussion Starter · Jul 3, 2017

Which North American M116/M117 camshafts are compatible with which engines? I understand the early mechanical lifter cams might have a longer duration and less lift than the cams used with hydraulic lifters.

In other words, can I pull a 4.2, 4.5, 5.0, or 5.6L cam and use it in my 3.8 as long as it has hydraulic lifters? I'm in desperate need of a passengers side cam and I need to confirm compatibility.

Thanks so much.

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jackjtr

Discussion Starter · #3 · Jul 4, 2017

liviu165 said:
Why don't you post your VIN and the donor's VIN? We'll look it up in EPC and tell you.

I can tell you that the 420SEL and the 560SEL have different cams. IF the 560SEC engines are the same with 560SELs, then that would extend accordingly.

I haven't found a donor car yet, which is why I'm asking the question. I'm trying to broaden my searches to as many compatible cars as I can. Parts W126s are extremely rare in the NYC area.

I'm dealing within the US only, so this is only applying to US cars.

A rephrased question:

What cams from other US model engines will work in my 380SE besides cams from another 380SE?

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jackjtr

Discussion Starter · #5 · Jul 4, 2017

John350 said:
Found some more cross references and it looks like you're limited to 84 and 85 380SE and 380 SL's

The "good" news is, it's available new for less than $460...

116-051-63-01 Camshaft for 1984 Mercedes Benz 380 SE | Mercedes Benz OEM Parts : Mercedes-Benz Parts - MB Accessories & Lifestyle Collection

Thanks for looking that up. I can't throw that sort of money at a camshaft right now, so I'll keep my eyes peeled for any 84-85 3.8L Benzes. I'm guessing the cam changed when they went from the single row sprockets to the dual row. Shame on you Mercedes engineers...

Thanks again!

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