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[T3] Dwell and Timing


Good Afternoon Everyone

I want to be clear on some simple timing procedures involving, Dwell, RPM, 
Advance. I started tweaking my timing this weekend due to heavy pinging 
during load on my 67 Fasty. It started and idled fine, I had set the timing 
@ 7 1/2 BTDC with the engine warm and the vaccum hose disconnected but once 
it warmed up I experienced heavy pinging so today at a local swapmeet I got 
a dwell meter. I had set the dwell to specification with a feeler gauge but 
once I checked it with the meter I got today I noticed that according to the 
TM I was setting it at about 33. The TM specified 42-54 so I forgot about 
the feeler gauge method and decided to go with the reading on the meter as 
the engine was running. After I did this I rechecked the timing and set it 
at 7 1/2 BTDC, the RPM at 850 RPM between synching the carbs. I have not yet 
tried it but I am in a bit, can anyone shed some light on this for me.

Thank You

David
67 Baltic Blue Fasty
Aberdeen Proving Ground, MD

PS

I saw this really nice 73 (THING) today on my way back from the meet, is 
nice to see other VW on the road every now and then besides mine. 

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