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Just saw that Gayle is testing rear Diff covers and oil levels to see what difference it makes. He has a video on
his web site at the bottom. He is not done yet, but very interesting. Can't wait for the results.
 

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Pretty much everyone who buys one of those overpriced covers does it for the bling factor, while trying to justify it as an increase in performance and longevity. I think they're a waste of money, and I suspect he's going to prove it. I am excited to see the results.
 
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I do like the look, although I want one only for the fact for easier maintenance with a drain bolt at the bottom. It doesn't need to cost me $300 though, although I can see the bling factor overweighing the cost! They sure do look sexy under our trucks.
 
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I do like the look, although I want one only for the fact for easier maintenance with a drain bolt at the bottom. It doesn't need to cost me $300 though, although I can see the bling factor overweighing the cost! They sure do look sexy under our trucks.
Agreed, I did mine for the ease of future maintenance and looks. If it lowers it a few degrees that’s a bonus if not I’m not worried. It also has extra magnet on the dipstick which certainly can’t hurt. Mag-Hytec makes a very solid well made product.

Also, Gale Banks is a great product marketer. He probably has a new product coming out and this is part of the campaign. Get people talking and let it simmer a while then come out with a “solution”. The solution will probably come out in video part 2. No other reason not to just give the result in the first video. Take like 30 mins to do the test.
 

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If I were to get one soon, it would be a mag hytec.
 

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Agreed, I did mine for the ease of future maintenance and looks. If it lowers it a few degrees that’s a bonus if not I’m not worried. It also has extra magnet on the dipstick which certainly can’t hurt. Mag-Hytec makes a very solid well made product.

Also, Gale Banks is a great product marketer. He probably has a new product coming out and this is part of the campaign. Get people talking and let it simmer a while then come out with a “solution”. The solution will probably come out in video part 2. No other reason not to just give the result in the first video. Take like 30 mins to do the test.
Have the same covers front and rear on my 3500. Love the look plus the magnetic features. Changing fluid is a dream compared to the stock.
 

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Never kept a truck long enough to do diff fluid maintenance. The ONLY reason I would get one would be for bling.

I too would get MagHytec
 

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I have a Mag-Hytec on order now. It does look nice but I'm wanting it for the drain plug, hold more fluid and hopefully run cooler.
 

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I think the Mag-Hytec looks good also but the vented rear diff cover that cames with the Aisin option trucks also looks cool. I like the looks of my OEM vented cover. I'm more worried about the thin OEM front diff cover from a rock or something than anything else.
 
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I think the Mag-Hytec looks good also but the vented rear diff cover that cames with the Aisin option trucks also looks cool. I like the looks of my OEM vented cover. I'm more worried about the thin OEM front diff cover from a rock or something than anything else.
I agree, the OEM Finned cover looks the nicest out of them all. I’ll also bet it does a better job at cooling then ANY of the aftermarket ones. Just probably won’t handle an impact too good.
 

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I agree, the OEM Finned cover looks the nicest out of them all. I’ll also bet it does a better job at cooling then ANY of the aftermarket ones.
It is possible cooling the lubricant isn't the best idea given that lubricants are designed to lubricate at certain temperatures. Temperature is critical to the performance and life expectancy of lubricants, cooling can be as bad as overheating.
 

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And Gayles will have the best results..................
I prefer to remove the cover to see what is in the bottom so the drain plug is kinda moot.
Looks ? definitely sexy
Cost ? nope factory painted for me.
 
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Gale @ 8min 25 sec: "I'm gonna learn a lot, cause I don't know a lot about this"

Yeah right! He knows a lot more than he lets on. I like Gale Banks, he is real smart, but a bit of a smart aleck. He talked a good amount of smack on the monster ram video, but backed it all up with numbers.
 
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The solution will probably come out in video part 2. No other reason not to just give the result in the first video. Take like 30 mins to do the test.
Not sure how one would do even one test, let alone comparisons, in 30 minutes.

If Gale's using his standard grade on the freeway for the real world testing it takes about 15 minutes just to get to it. Then the ambient temperature must be about the same for all tests.

If on a dyno, it's not quite real world results as the air flow will be different. And even then there would have to be a cool-down period between tests.

Guess I should watch Part 1 before I babble any more about this, huh?
 

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Not sure how one would do even one test, let alone comparisons, in 30 minutes.

If Gale's using his standard grade on the freeway for the real world testing it takes about 15 minutes just to get to it. Then the ambient temperature must be about the same for all tests.

If on a dyno, it's not quite real world results as the air flow will be different. And even then there would have to be a cool-down period between tests.

Guess I should watch Part 1 before I babble any more about this, huh?
Ding....ding...ding......we have a winner!!:thumbup: He is a smart cookie, knows his stuff. His "campus" is quite a thing to see....Back in the day, he would often give seminars at the truck get togethers the local dealers used to have, he is an impressive speaker, the talks were never boring........

Sam
 
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Guess I should watch Part 1 before I babble any more about this, huh?
Yes you should!

He has it on a dyno with air flow to match freeway speeds. Even has a meter on the axle to measure air speed. He also has the rear end set up with fluid level meters and temperature gauges. It took a lot of work to set up everything in the video clip. The only thing left to do was take a run at it and measure temperature. Drain and swap to aftermarket cover and take another pass after it’s cool. Which would not take long to do given the giant fan setup he has to generate wind speed.

As I said it took a lot of time to set all that up. Would only take another 30 mins on the dyno to do the actual test. Then do it again a few hours later at most for the aftermarket cover. With all the “production” already done the only reason the tests aren’t in the same video is for marketting purposes that I mentioned already.
 

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Yes you should!

He has it on a dyno with air flow to match freeway speeds. Even has a meter on the axle to measure air speed. He also has the rear end set up with fluid level meters and temperature gauges. It took a lot of work to set up everything in the video clip. The only thing left to do was take a run at it and measure temperature. Drain and swap to aftermarket cover and take another pass after it’s cool. Which would not take long to do given the giant fan setup he has to generate wind speed.

As I said it took a lot of time to set all that up. Would only take another 30 mins on the dyno to do the actual test. Then do it again a few hours later at most for the aftermarket cover. With all the “production” already done the only reason the tests aren’t in the same video is for marketting purposes that I mentioned already.
Should've known. Gale tends to be very analytical, so the most controllable test would be on a dyno.
I'll definitely check out the video, but now I'm really tempted to call and get the results before the official release. Which, if he tells me, I obviously couldn't share. So I'll just wait.
 

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It's a differential, who gives a $hit, If the diff cover wasn't visible, this thread wouldn't exist. Got to love marketing.

I can think of 0 diff failures due to over heating of a properly setup rear end.

I've got 99 problems, but a diff ain't one.
 
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