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Old 04-02-2007, 09:15 PM   #61
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Quote:
Originally Posted by BillBoost37
Actually (not knowing what 80C is)
My 4T65 always runs max of 160 (when it actually reaches that high)
My 4T60 always ran minimum of 180.

The 65 was higher mileage at the time of those readings.
That'* pretty amazing. Mine always runs right at 90*C (195*F), and I assume the tranny is right around that.

I suppose it would be different if I ran a 180 T-stat.

80*C is 176*F
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Old 04-02-2007, 09:19 PM   #62
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Never assume that your engine temp and trans temps have anything to do with each other. The only remoteness between the two is that there is a rad cooler built into the radiator. Therefore the temp of your t stat is the temp of the coolant attempting to lower the temp of the trans if it'* running warmer than the engine or it'* trying to bring up the temp if the trans is running cooler.
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Old 04-02-2007, 09:21 PM   #63
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Quote:
Originally Posted by BillBoost37
Never assume that your engine temp and trans temps have anything to do with each other. The only remoteness between the two is that there is a rad cooler built into the radiator. Therefore the temp of your t stat is the temp of the coolant attempting to lower the temp of the trans if it'* running warmer than the engine or it'* trying to bring up the temp if the trans is running cooler.
I usually assume the tranny is running warmer than the engine. That'* why I was concerned with the max temp of the magnet being only 176*F.
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Old 04-02-2007, 10:04 PM   #64
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Oil running through an engine that is 20-35 deg cooler than others will be at least a little cooler. Tranny fluid running through a tranny bolted to a 20-35 deg cooler engine and routed through a radiator that is 20-30 deg cooler will be a little bit cooler. How much? I don't know, but I do know it will be.

Isn't this thread about magnets? I'm debating whether to put them on the pan or the filter (should they stick well to the round surface, but then, doesn't the oil flow into the middle of the filter and out the outer ring of holes so the magnet would be trying to pull the metal through the filter media?). What would be the best way to get the metal out when I change the oil? Pull the magnets then drain? Maybe dump in a cheap quart or two to help the stuff out the drain hole? Will I even be driving this engine that much longer? Who knows. I just want magnets to stick on my engine somewhere.
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Old 04-03-2007, 02:09 AM   #65
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Quote:
Originally Posted by J Wikoff
Isn't this thread about magnets?
Yes, it'* about the magnets that Pete found that said its maximum functional temperature is 176*F, thus the discussion about transmission heat. Looks like we're just going to see how they hold up.

That raises a question here: Are the magnets fixed to the pan somehow, or does it hold itself on? If the transmission exceeds 176*F, and the magnet loses its magnetic properties and dislodges from the pan, where can it go? Possibly cause some damage? Also, any metal bits it previously held could also be "dropped" and float freely as well.

Any potential damage from this that we can see?
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Old 04-03-2007, 02:14 AM   #66
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im not in on this order but i have a question...if the magnets lose their power at high temps, and some people are putting them on the inside of their trans, cant they potentially fall off and get sucked up and bad things happen? or do they not lose enough power for that to happen? this is just out of curiosity from an observers pov
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Old 04-03-2007, 02:16 AM   #67
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Quote:
Originally Posted by GoldenBullet
im not in on this order but i have a question...if the magnets lose their power at high temps, and some people are putting them on the inside of their trans, cant they potentially fall off and get sucked up and bad things happen? or do they not lose enough power for that to happen? this is just out of curiosity from an observers pov
Hehe, great minds think alike!!

Check out the post right above yours. :P
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Old 04-03-2007, 02:16 AM   #68
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you edited didnt you?!?
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Old 04-03-2007, 10:23 AM   #69
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Quote:
Originally Posted by J Wikoff
Isn't this thread about magnets? I'm debating whether to put them on the pan or the filter (should they stick well to the round surface, but then, doesn't the oil flow into the middle of the filter and out the outer ring of holes so the magnet would be trying to pull the metal through the filter media?). What would be the best way to get the metal out when I change the oil? Pull the magnets then drain? Maybe dump in a cheap quart or two to help the stuff out the drain hole? Will I even be driving this engine that much longer? Who knows. I just want magnets to stick on my engine somewhere.
I'd guess that I'd do an oil change when the engine is cool to give the magnet time to attract back as much metal as possible if it lost any power from heat. Pulling the magnets prior to pulling the plug seems necessary too because of the magnets' strength IMO. (Pulling the pan would be a PITA. ) Any, or most metal particles would/should fall to the bottom once the magnets are pulled off and should empty when drained. Inside the oil pan, the area around the plug is raised a bit, so some 'debris' could remain inside, probably not a whole bunch though.

These magnets have incredible holding power. They are only 1" diameter by 3/16" thick but 17 pounds of perpendicular pulling force is needed to detach one from a flat steel surface (that'* strong). I'm not sure about others, but I was planning on putting them on the outside of the pan. I assumed most were putting them on the outside as well. Good point about temp. though. High temps will decrease the pulling force. I'm not sure if they'd come off the pan, but I think they'd be too large to get sucked up anywhere, especially if they were in the oil pan.
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Old 04-03-2007, 10:47 AM   #70
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Quote:
Originally Posted by GoldenBullet
im not in on this order but i have a question...if the magnets lose their power at high temps, and some people are putting them on the inside of their trans, cant they potentially fall off and get sucked up and bad things happen? or do they not lose enough power for that to happen? this is just out of curiosity from an observers pov
I don't think any of us are planning on putting them on the inside of the transmission pan. Mine, at least, will go on the outside of the pan. And for * & Gs I'm going to stick one on the oil filter, even though I don't have an engine concern. Can't hurt.
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