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Old 08-17-2003, 07:32 PM
zmanky zmanky is offline
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Join Date: Aug 2003
Posts: 5
Help!! 103 timing marks

Hi Guys,

I have searched but could not find any pics for this, I hope some one can help. I am trying to align the timing mark on my 89 300E with the 103 motor. My questions are:

1. What mark is the timing mark on the crank? I have a fin on the front of the lower timing cover, and the left edge of the crank sensor bracket. What do I use? Should it be on the number or the little line to the left or right of the T.

2. I see a dot on the lip of the crank, I feel like it should be straight up and down with the cam tower , at the 12 o'clock position. This aligns the cam locating pin to the left of the head at 9 o'clock, it the cam right?

3. What would be a common problem that a novice mechanic could do in replacing the head gasket on this motor that would keep it from starting.

Thanks guys for all of the help.

89 300e 275,000
87 260e 265,000
72 Datsun 240z
70 Datsun 240z

Last edited by zmanky; 08-17-2003 at 07:42 PM.
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