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Temperature Gauges [message #201929] Sun, 17 March 2013 13:22 Go to next message
biggreen is currently offline  biggreen   United States
Messages: 347
Registered: June 2011
Location: Northeast Florida
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Senior Member
Looking to buy oil and trans temp gauges.
What temperature ranges should I consider?
I see 100-250 or 140-280 on the oil
And 100-250 or 140-280 on the trans.
Also, will a 4 grand tach be enough for the 403 (77)?
Thanks
Re: Temperature Gauges [message #201933 is a reply to message #201929] Sun, 17 March 2013 13:55 Go to previous messageGo to next message
tphipps is currently offline  tphipps   United States
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Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
Senior Member
4 Grand tach is adequate for the GMC. Since the engine is producing most of it's power in the upper range of 2400 to 2800 rpm (SWAG). The temperature gauges might depend on your radiator. If you have changed to the AL radiator, you will find that your temps are lower than with the OEM radiator. I had a temp gauge with the sensor in the Ragusa AL transmission oil pan. i was convinced the gauge was not working, because the needle never moved (flat land driving). Only until I hit some big hills, did the gauge move. Smarter automobile types will chime in, but I think that you would be happy with either set of temp ranges.
The bigger discussion might be on where and how you are going to locate the sensors.
Just my drift on the gauge situation. Personally, I would like t have a 270 degree sweep gauge face, easier to determine if the needle actually did move.
Tom, MS II with stock gauge set-up


2012 Phoenix Cruiser model 2552 KA4CSG
Re: [GMCnet] Temperature Gauges [message #201942 is a reply to message #201929] Sun, 17 March 2013 14:35 Go to previous messageGo to next message
Ken Henderson is currently offline  Ken Henderson   United States
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
Senior Member
Get the higher temperature gauges since your real concern doesn't begin
until the temperatures get high -- you don't want to peg the needles &
wonder by how much.

If there's a 5K tach available, I'd get that. It will put your cruising
RPM more mid-scale.

Ken H.

On Sun, Mar 17, 2013 at 2:22 PM, R.D. Hart wrote:

>
>
> Looking to buy oil and trans temp gauges.
> What temperature ranges should I consider?
> I see 100-250 or 140-280 on the oil
> And 100-250 or 140-280 on the trans.
> Also, will a 4 grand tach be enough for the 403 (77)?
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
Re: [GMCnet] Temperature Gauges [message #201961 is a reply to message #201942] Sun, 17 March 2013 18:10 Go to previous message
jhbridges is currently offline  jhbridges   United States
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
Senior Member
Cheep tach advice:  Buy the small SW 29.95 unit, and set it for a 4cly engine.  Voila!  4K tach.  I took some artwork rub off numbers and renumbered mine.  I need to add the 0.
 
-johnny
'76 23' transmode norris
'76 palm beach

From: Ken Henderson <hend4800@bellsouth.net>
To: gmclist <gmclist@temp.gmcnet.org>
Sent: Sunday, March 17, 2013 3:35 PM
Subject: Re: [GMCnet] Temperature Gauges

Get the higher temperature gauges since your real concern doesn't begin
until the temperatures get high -- you don't want to peg the needles &
wonder by how much.

If there's a 5K tach available, I'd get that.  It will put your cruising
RPM more mid-scale.

Ken H.

On Sun, Mar 17, 2013 at 2:22 PM, R.D. Hart wrote:

>
>
> Looking to buy oil and trans temp gauges.
> What temperature ranges should I consider?
> I see 100-250 or 140-280 on the oil
> And 100-250 or 140-280 on the trans.
> Also, will a 4 grand tach be enough for the 403 (77)?
>
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons. Braselton, Ga. I forgive them all, save those who hurt the dogs. They must answer to me in hell
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