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Old 11-18-2011, 10:02 AM   #1
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Join Date: Feb 2007
Location: Down South
Posts: 244
Default Info on Mac testers/analyzers

Hi, All:

I've got two Mac Tools engine analyzers incoming, an ET985 Cylinder Balance Analyzer and an ET925 Tach/Dwell/Volts/Amps/Ohms unit. I need manuals for both and the wires/leads for the ET985 (tach pick-up and battery/primary), so if anyone has a lead, pun intended, please drop me a line.

But, my question for the Mac experts out there... How old are these units? 80s vintage? 90s? Are they any good? I'm mostly interested in their vintage, because I'd like to pick up a Mac catalog from whatever era these came from to see what other testers Mac produced then.

I'll post pics when they arrive.

Incidentally, I'll be using (or trying to use) these to tune a '69 VW Beetle and a couple of very early-70s Brit cars.

22' x 30' attached, not quite ready for prime time. 12' x 20' shed. 12' x 21' enclosed carport.
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Old 11-18-2011, 02:50 PM   #2
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Location: NW indiana
Posts: 11,079
Default Re: Info on Mac testers/analyzers

heres a matco tester from the mid 80's, about the time the digital displays came out.

dunno if this helps

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