I am trying to replace my camshaft in my 1990 M103 engine and when I go to fastlane, I have two choices depending on some number which I can not locate. Can anyone help me out here?

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George Carstens

You need to find the serial number. Its located on the passenger side close to oil pan level near the front.

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2006 E320 CDI
1998 S320
1987 190E 2.3-16

1990 300D 2.5 Turbo(sold)
1987 300SDL Turbo(sold)
1987 300TD Turbo(sold)
1987 190D 2.5 Turbo 5sp(sold)
1985 190E 2.3-16(sold)
1984 500SEC(sold)
1984 230TE(sold)
1978 240D(sold)-Miss it!
1972 280SE 4.5(sold)

I don't have the block right now to check...but you are talking about the engine block correct? I don't have the serial number for the car because I bought the engine seperate from the car.

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George Carstens

yes, engine block number

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2006 E320 CDI
1998 S320
1987 190E 2.3-16

1990 300D 2.5 Turbo(sold)
1987 300SDL Turbo(sold)
1987 300TD Turbo(sold)
1987 190D 2.5 Turbo 5sp(sold)
1985 190E 2.3-16(sold)
1984 500SEC(sold)
1984 230TE(sold)
1978 240D(sold)-Miss it!
1972 280SE 4.5(sold)

I think (may want to check with a search) that the earlier 300E (before about '89) had slightly 'hotter' (relative of course) cams, these could be the different ones.

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190E's:
2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black 2nd owner
http://www.maylane.demon.co.uk/190esmall.jpghttp://www.maylane.demon.co.uk/190esmall2.jpg

Hotter cam ?? Will this hotter cam work in a 190E 2.6 and what will the benefit be..power, torque, HP?? Does anyone know? It has to be an inexpensive swap compared to the $500 options available.
Any takers on this?

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99 C230K Sport
87 300SDL
81 300SD

One for sale on Ebay:

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=1842610897

~Paul

I don't believe that there was a change of cam for the 2.6 engine, and imagine it uses a similar cam (perhaps the same) to that in the original 3.0, before the change of cam design.

It makes 167 bhp, against the 3.0's 187bhp (both in Europe), which means a higher bhp/litre for the 2.6 (64 vs 62), so I'd suggest no other M103's cam would give more power.

If you want more power, go with an aftermarket cam, but be warned that you will lose low-down torque (something I would never be willing to change about my MB).


later

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190E's:
2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black 2nd owner
http://www.maylane.demon.co.uk/190esmall.jpghttp://www.maylane.demon.co.uk/190esmall2.jpg