Damm mines an 83! Still would like to see how it operates and in case I get an 84 or 85. I'll pm you. thx!

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85 300D turbo pristine w 157k when purchased 161K now
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked

I do some VW diesel work every now and then, I've been thinking about

adding this tool to the inventory

but most guys are satisfied with static timing. It would allow for watching timing adjustment at speed at least somewhat like the big dynamic timing Mercedes tool.

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1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine)
Raleigh NC - Home of deep fried sushi!

The is a least 1 thread on these type of tools somewhere.
Added later:
See Post #11
Specialized Indicator for IP Timing

My understanding is that you need to time your Engine the regular way first. You put the Timing Light on and see what degrees it points to. Now you have created your own spec for your Engine.
After that you can use the Timing Light only.

I would ask them to send a copy of the instructions first to see how it really works.

My Volvo IP is timed similar to the VWs (in the year 1982). You insert a Dial Indicator with adapter (in my case the Asian made adapter ID only fit a Metric Indicator) into the Head of of the IP.
It is slow to use but a lot cheaper and I get to use the Metric Dial Indicator for my wheel bearing adjustment.

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84 300D, 82 Volvo 244Gl Diesel

I have one of these....seems to work great...I wrote down what you have to time it to...just have to find it...i used whatever number Brian gave a year or two back...works great.

Had a chat with the local bod at Maplins (prob same as your Tandy).

You can get small switches which are operated by the depression of a spring loaded ball, (imagine the latches for cupboard which have a large ball bearing spring loaded).

My thoughts on how to build a cheap electronic timing tool would use the MB static tool with the spring loaded centre removed. Replace this with the above ball operated electric switch insulated from the tool outer but with a positive feed going to the switch.

You would need to get the depth just right, to do this set pump up with old tool first so as notch is directly centred then calibrate the depth of your spring switch which needs to be glued in place.

Fit a small bulb and power source which is earthed to the chassis and this should then do a similar job.

The only thing I would say is it won't be anymore accurate just convenient and a lot quicker.

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David


1996 Mercedes S124 E300TD - 129k - rolling restoration project -

1998 Mercedes W210 300TD - 118k (assimilated into above vehicle)