Thanks Bill and Mark,
IIRC the Tach my Dad has is 3500 rpms...I'll have to dig around to find
it...the transmitters he has..one is 6v one is 12 v, but neither match
Bill's pic's for the numbers.
Thanks,
Mike
> [Original Message]
> From: Hanlon, Bill <Bill.Hanlon@hp.com>
> To: <mark@noakes.com>; <oletrucks@autox.team.net>;
<afiggis@attglobal.net>; Mike Baggese <passnb4u@earthlink.net>
> Date: 6/3/02 9:31:33 AM
> Subject: RE: [oletrucks] tachometers (another Q)
>
> I have attached pictures of the correct 55-59 GMC tach.
> I realize and heartily agree with Miq's policy of
> not allowing attachments to oletrucks messages. If any other
> list member wants copies e-mail me direct.
>
> The pictures include scans of pages in the Master Parts
> Books that show GMC part numbers for the tachs and sending units.
> The files are rather large, so I have ZIPped them up into one
> 1.7 MByte file. Use the un-zip program of your choice to create
> the originals.
>
> The tach is a Sun model RC-5A. The lettering on the face matches
> the 55-59 GMC instruments.
>
> The EB-7A sending unit shown is correct for any 4 cycle 6 cylinder
> 12V points ignition system to drive this tach. I have never
> seen the actual sending unit sold by GMC, so I do not know
> if it has as additional/different markings.
>
> Mark is right about the price of the NOS GMC tach kit. One sold
> on e#$y late last year for over $800. I sold the parts pictured
> to another OleTrucker for a lot less than that early this year.
>
> Another trick to using these (or any old Sun Tach that uses a
> transmitter unit) is finding batteries for the transmitter.
> Sun Electronics marketed this part as their part number 1766-1.
> It was actually a Mallory RM-12-A battery (1.35v Mercury cell).
> Some senders used two, the EB-7A used one. The Duracell
> equivalent is supposedly DC-12-A. These can be purchased
> from Iowa Radio Supply @ 800-332-5296. I talked with Warren,
> who said he sells 30-40 of these batteries a month, all for old
> Sun tachs. These batteries are not cheap. I payed ~ $12 plus
> shipping for 2 of them. Funny thing is that Duracell DC-12-A
> is actually a 1.5v Alkaline cell that has the same length and
> is slightly larger diameter than a standard AA cell. My guess
> is that a regular AA cell with a plastic sleeve around the outside
> to help hold it in place in the transmitter would work just fine.
>
> -----Original Message-----
> From: Mike Baggese [mailto:passnb4u@earthlink.net]
> Sent: Sunday, June 02, 2002 7:00 PM
> To: afiggis@attglobal.net; oletrucks@autox.team.net; mark@noakes.com
> Subject: Re: [oletrucks] tachometers (another Q)
>
>
> About these "period correct" tachs....
>
> Does anyone have a number on them? Or know how to decode the numers on
> them to see if they may have been targeted for any certain vehicle?
>
> My Dad has two Sun tachs and two 6v transmitters/boxes, just wondering
> what they may have been originally intended for.
>
>
>
> > [Original Message]
> > From: <mark@noakes.com>
> > To: <oletrucks@autox.team.net>; <afiggis@attglobal.net>
> > Date: 6/2/02 7:25:10 PM
> > Subject: Re: [oletrucks] tachometers
> >
> > The style that was used on the old trucks was common in the 50s / 60s;
> they may even
> > have been the premier brand in that era. You can still find them
> around...check the
> > internet auction sites, etc.
> >
> > The dials are black with off white letters resembling the TF dash gauges
> but most are
> > not an exact match to the GM trucks though I have seen an exact match
> unit for the early
> > GMCs...$$$...the optional tachs GM sold were Sun units. I want period
> original but it
> > doesn't have to be so exact for me that I'd be willing to pay $800 for a
> tach. I got my
> > close but not perfect original for a little over $100.
> >
> > I'm "working" on a cheap conversion kit for the transmitter in my
"spare"
> time (I work
> > full time plus OT plus am going to grad school plus we just had twins)
> but am making
> > very slow progress on that project.
> >
> > Didn't have a very good weekend but that's a topic for another email.
> >
> > Mark Noakes
> >
> >
> > On Sun, 02 June 2002, John Mercier wrote
> >
> >
> > > Sun tach? I'm not familiar with them. Does it match the original
gauges
> > > (same color,style...)?
> > oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>
>
> --- Mike
> --- passnb4u@earthlink.net
> --- EarthLink: The #1 provider of the Real Internet.
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>
> [demime 0.97c removed an attachment of type application/x-zip-compressed
which had a name of TACH.ZIP]
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
--- Mike
--- passnb4u@earthlink.net
--- EarthLink: The #1 provider of the Real Internet.
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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