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Discussion Starter #1
Just wondering which would be a more accurate reading - a gauge that reads straight from the tranny or a monitor that reads from the computer? Im tired of my pos Isspro gauge not working and have been thinking about Edge's new Insight CTS. My bro in law has both a CTS and Autometer gauges in his OBS and the CTS reading is slightly lower than the gauge.
 

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Former Ford Trans Engr.
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They are both accurate, but read the temperatures at different places.
 

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Discussion Starter #3
They are both accurate, but read the temperatures at different places.
so if i get a edge monitor that reads off the computer, what temps should i be looking for? what would be considered the safe range?
 

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<-- GO BRONCOS
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From Tank's library:
 

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Former Ford Trans Engr.
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3,100 Posts
Tank's library is good if you're using 1960's fluids. Those charts are worse than useless for modern transmissions and ATFs.

You can run as high as 220°F all day long with NO problems. Your trans and trans fluid life is NOT shortened as shown in those charts. You can run as high as 250°F for up to 1/2 hour with no problems.
 

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Discussion Starter #6
Thanks guys but my question is if a gauge and the computer read two different temps and anything under 220 on the gauge is ok, then what is ok from the computer reading? Am I making any sense? Haha
 

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<-- GO BRONCOS
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Tank's library is good if you're using 1960's fluids. Those charts are worse than useless for modern transmissions and ATFs.
You can run as high as 220°F all day long with NO problems. Your trans and trans fluid life is NOT shortened as shown in those charts. You can run as high as 250°F for up to 1/2 hour with no problems.
I did not know that, thanks for the updated info Mark. :ford:
 
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