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Topics - Voodoojl

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Non-FE Discussion Forum / Handheld Oscilloscopes for my jalopies
« on: October 24, 2022, 06:34:52 PM »
The price of oscilloscopes has come way down.  I’m looking to buy a hand held scope to perform some of the old timey test that I used to do on giant Sun or Allen machines.  Specifically, raster and parade patterns for both analog and digital ignition systems, rpm drop cylinder cancel tests, starter draw, alternator test.  I don’t have the real estate in my garage for one of the older Sun machines.  Anybody have any experience or could recommend product?

Thanks Gents!

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Greetings Gents.  I'm trying to get some TRW piston specs for an L2218 F piston for a 289.  I know its a flat top forged piston with four valves reliefs.  I was able to use a camera through the spark plug hole to get the part number.  What I'm trying to figure out is the cc's of the valve reliefs to accurately calculate compression.  My guesstimate if more than 5cc and less than 10cc.  Any help would be greatly appreciated.


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