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Dwell/Tach meter

Posted: Sun May 17, 2015 9:39 am
by RICKG
Looking for recommendations/sources for an affordable and accurate meter.
They're not available "off the shelf" for purchase within 50 miles of my location (who would use shelf space for a tool only .01% of todays population would ever use?) I used a feeler gage and timing lite on my truck and am
satisfied w/performance, just want to dial it in closer if possible.

http://www.sears.com/actron-dwell-tach- ... ll=REC_1_0
Here's an offering from Sears internet sale. $34 bucks shipped.

I'd sure rather hold it in my hand before I plunk down the bucks but I know that's not always possible :cry:
I'm running a stock 24V system. These meters are set up for 12v and 6 or 8cyl eng. I read where it said to double 8 cyl readings for 4 cyl application but what would I expect using a 12V meter on a 12V sys??

Might there be a unit available out there more purpose built for our trucks?

And yes I do have the dwell adapter in my kit.

Posted: Sun May 17, 2015 12:17 pm
by wesk
Rick, There are surplus military dwell/tacs out there that acommadate 24 Volt.. I have a nice unit I picked up about 7 or 8 years ago for $30 surplus. Just google "military dwell tachometer test set"

Posted: Mon May 18, 2015 12:01 pm
by RICKG
So here's a current listing on flea-bay, spendy at a hundred bucks to start but it's still noted 12V on the front panel..
http://i.ebayimg.com/00/s/MTYwMFgxMjA1/ ... Y/$_57.JPG

http://www.ebay.com/itm/USGI-Test-Set-T ... 1398486061

Still trying to learn about these..

Posted: Tue May 19, 2015 11:17 am
by wesk

Posted: Tue May 19, 2015 1:14 pm
by RICKG
Thanks Wes. Downloaded, printed, 3-hole punched for my downloads binder on the bench. Looks like interesting reading.

Posted: Tue May 19, 2015 1:47 pm
by wesk
Here's mine:

Image

Image

Posted: Tue May 19, 2015 1:54 pm
by RICKG
Nice!! Can I borrow it?? :oops: :lol: (just kidding)

I see yours is #4910 788 8549 and the pg 3 download lists same #.

Both current auction offerings I see are #4910 00 788 8549, with the 2 extra 00 after 4910 and both are noted as 12V. I'm not interested in either
of the current offerings (too spendy) just researching.

It appears there is a 24 and 12v variant of the same basic tool.