In my search for correct tachs, I did find some pretty low rpm ranges...seems
like
International had a 4K rpm red line...but not one as low as 3500 rpm. I can't
imagine
what that one was for...
Mark Noakes
"Mike Baggese" wrote
>
> 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
|