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Ford Tractors Discussion Forum
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Proof meter

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Tom Bond

02-13-2020 15:17:35




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I put the new proof meter on my Jubilee and it seems to be reading awful high compared to what my 961 used to run. It is the correct one for a 4 speed but just seems to be reading high. I was just out moving some snow around and it showed 2100 rpm at about 1/2 throttle tops. Motor was not running hard at all. Is there any way to tell what the the true rpm are besides hooking up another tach to compare? Or does that seem about normal? Temps perfect, engine running smooth as could be and oil pressure about 50-55# at 1/2 throttle. It shows idle at about 1000-1100. Thanks!

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Sean in PA

02-15-2020 08:31:25




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 Re: Proof meter in reply to Tom Bond, 02-13-2020 15:17:35  
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Tim, I was making a comment on your previous post that said "kilometers per mile", which isn't something you have on a gauge. You can have kilometers per hour or miles per hour, but not kilometers per mile.



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Sean in PA

02-14-2020 08:59:13




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 Re: Proof meter in reply to Tom Bond, 02-13-2020 15:17:35  
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There's always 1.60934 Kilometers per every mile. Why would you need a gauge for that? :D



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Tim PloughNman Daley

02-15-2020 07:37:18




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 Re: Proof meter in reply to Sean in PA, 02-14-2020 08:59:13  
Why does you car and truck have BOTH a Miles Per Hour and Kilometers Per Hour scale on your speedometer? In 1976, the worse US President ever (until Owebumma) deemed that the US nation and the auto manufacturing industry needed to convert all their vehicles to METRIC in order to be competitive with the Japanese. Everything, almost everything, began to get changed over to metric. BUT you still needed a 1/2" wrench as well as a 12mm wrench to work on your car as not all got changed.


Tim Daley(MI)

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Fordfarmer

02-15-2020 08:54:27




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 Re: Proof meter in reply to Tim PloughNman Daley, 02-15-2020 07:37:18  
That's a speedometer...the o.p. was talking about a proofmeter/tachometer. Rpm is engine speed, not ground speed, and rpms are rpms, doesn't matter if you use metric or English.



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Ultradog MN

02-14-2020 11:40:37




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 Re: Proof meter in reply to Sean in PA, 02-14-2020 08:59:13  
Would the hours read in metric too?😎



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Tim PloughNman Daley

02-14-2020 07:38:27




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 Re: Proof meter in reply to Tom Bond, 02-13-2020 15:17:35  
Do you have the correct Proofmeter for the 4-SPD? There was also a 'metric' unit and cable too -it read in Kilometers Per Mile and will muck readings.


Tim Daley(MI)



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Fordfarmer

02-13-2020 15:25:14




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 Re: Proof meter in reply to Tom Bond, 02-13-2020 15:17:35  
Most, if not all, of the new proof meters for pre-'65 models are from the land of almost right... and it shows. Idle should be closer to 500-600 rpm, and wide open would be around 2300, IIRC. The first time I replaced the proof meter in my Jubilee, it worked ok for about 10 hours, the the needle started spinning 360, and wherever it was pointing when you shut the tractor down was where it pointed until you started it again.

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Dean

02-13-2020 18:54:39




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 Re: Proof meter in reply to Fordfarmer, 02-13-2020 15:25:14  
Bingo.

Just almost right.

Dean



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RoadsideGeo

02-13-2020 19:15:41




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 Re: Proof meter in reply to Dean, 02-13-2020 18:54:39  
Yup. About the same here. Tach seems OK, but after 6 months it still reads 0.0 hrs. They musta sent the deluxe model that increases engine life...lol



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