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Old 05-26-2013, 12:53 AM   #1
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Differential cover confusion

So I am going to replace my differential fluid, have my reasons, and just check everything out, and figured while I was at it, might as well put a better cover on. Figured I should do a nice one that has a drain and fill plug while at it. I was looking at doing the GT500/Boss/track pack style cover with the fins to help with heat. My rear differential gets HOT. Anything to help. Now here is where I am confused.

There is the Ford Racing Differential Cover

There is the Steeda Modified Ford GT500 Differential Cover

Then last there is the flat out Ford GT500 differential cover.

So where I am confused is they all 3 seem to be the same dang thing at three different prices. The steeda claims it adds drain and fill plugs to the Ford OEM part, but the Ford OEM part shows drain and fill plugs on LMR. I am guessing they just have the wrong picture. So then the Steeda "modified" version seems to be the bes option. The Ford Racing part doesn't say anything about having fill and drain plugs but cost a fortune more.

So....Ford Racing and the actual Ford Cover seem to be identical minus the 70 dollar price difference. So from what I am reading the Steeda seems to be the best choice?

They are all finned, all increase rigidity of the axle housing, etc. onward but only the steeda has drain and fill plugs. Am I missing something?

Or does someone recommend a different cover entirely?
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Old 05-26-2013, 06:37 AM   #2
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Step 1:This one, just because. I have it and its awesome! Lol

http://www.americanmuscle.com/frpp-88-diff-cover.html

Step 2:And put this in it, because I said so...

http://www.americanmuscle.com/royalp...rce=igodigital

Step 3:Enjoy. Lol

Your welcome!
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Old 05-26-2013, 09:32 AM   #3
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Originally Posted by DWC_SmOziLLa View Post
Step 1:This one, just because. I have it and its awesome! Lol

http://www.americanmuscle.com/frpp-88-diff-cover.html

Step 2:And put this in it, because I said so...

http://www.americanmuscle.com/royalp...rce=igodigital

Step 3:Enjoy. Lol

Your welcome!
I thought about that too. I have royal purple in there now. Not sure if it is 85w140 or 75w140 though. Shop did it when I had gears done.

I liked the idea of the finned differental cover. Plus the steeda version is 50 bucks cheaper than the one you posted haha.
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Old 05-26-2013, 10:03 AM   #4
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The differential cover is definitely an upgrade. I'm just wondering why the fluid is getting hot. I got a bad gear install at Hawkins speed shop in Richmond one time, but it made one helluva noise. When I tore it down after 50mi, the oil was burnt up. In your case, I would go with the heavier oil since its getting hot daily driving. As to your ? I'm confused too.
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Old 05-26-2013, 10:12 AM   #5
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The differential cover is definitely an upgrade. I'm just wondering why the fluid is getting hot. I got a bad gear install at Hawkins speed shop in Richmond one time, but it made one helluva noise. When I tore it down after 50mi, the oil was burnt up. In your case, I would go with the heavier oil since its getting hot daily driving. As to your ? I'm confused too.
Well from the oil from what I understand the 75 vs 85 is the viscosity when cold. Then 140 is when hot. So hot operating temp is supposed to be no different between the two. Just cold operating temp.

But, I don't know if the 75vs85 will change it much. Haven't been able to find a clear answer. Also want to make sure I don't put uneeded stress on the differential in the winter by doing 85 unless I just swap it twice a year.

I believe stock the car comes with 75w140 and I would bet that is what the gear shop used. I am afraid because the rear differential sounds kinda hollow when tapping the cover and gets so hot that maybe it has leaked more oil than I figured. Could be burnt up too. Hence me wanting to tear it open and see.

Had other mods I wanted to do first but protecting the differential is obviously important.
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Old 05-26-2013, 10:17 AM   #6
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I'd pull the plug and make sure I could feel oil when you stick your finger in the hole.
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Old 05-26-2013, 10:20 AM   #7
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I'd pull the plug and make sure I could feel oil when you stick your finger in the hole.
I am going to. I think I am going to order the cover today and the oil so I can just change it my first off day too. Should all come in by Thursday if I order it today.
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Old 05-26-2013, 10:27 AM   #8
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I am going to. I think I am going to order the cover today and the oil so I can just change it my first off day too. Should all come in by Thursday if I order it today.
I haven't checked summit, but if they have what your looking for, you'll have it next day, two at most. Pretty sure they have a warehouse in Ohio, everything I've ordered before 2pm, I've gotten next day.
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Old 05-26-2013, 10:34 AM   #9
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Originally Posted by tc x 4 View Post

I haven't checked summit, but if they have what your looking for, you'll have it next day, two at most. Pretty sure they have a warehouse in Ohio, everything I've ordered before 2pm, I've gotten next day.
I'll check them out! Thanks for the headsup. Won't ship until tomorrow anyway so I'll wait till I can see what they offer.
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Old 05-26-2013, 10:52 AM   #10
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Not trying to thread jack, but my buddy and I took my car out yesterday because he wanted to determine what kind of whine was coming from the rear of my car. I had always just assumed that it was really bad gear whine, but according to him (and I call him my veritable fountain of Mustang information) it's bearing noise. He made my day when he said that he and I could fix the car with a small amount of money as opposed to swapping gears.

While we're doing this, I may switch my diff cover too.
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Old 05-26-2013, 11:00 AM   #11
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Originally Posted by Defiant 5.0 View Post
Not trying to thread jack, but my buddy and I took my car out yesterday because he wanted to determine what kind of whine was coming from the rear of my car. I had always just assumed that it was really bad gear whine, but according to him (and I call him my veritable fountain of Mustang information) it's bearing noise. He made my day when he said that he and I could fix the car with a small amount of money as opposed to swapping gears.

While we're doing this, I may switch my diff cover too.
I thankfully don't have that problem as I made them swap the bearings when I had the gears done. Wanted to play it 100% safe.

No worries. No one seems to have an answer on the covers. Haha.
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Old 05-26-2013, 11:39 AM   #12
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I plan on switching mine as well and was wondering the same thing as they all look the same minus a stamped logo. Gonna go with the steeda and change to royal purple. Was gonna do gear swap as well but am gonna go superchager down the road so no point. Nothing is shipping tom by the way with memorial day
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Old 05-26-2013, 11:49 AM   #13
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I plan on switching mine as well and was wondering the same thing as they all look the same minus a stamped logo. Gonna go with the steeda and change to royal purple. Was gonna do gear swap as well but am gonna go superchager down the road so no point. Nothing is shipping tom by the way with memorial day
I hate you. I forgot it was a holiday. Haha.
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Old 05-26-2013, 12:26 PM   #14
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haha didn't want you to get your hopes up
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Old 05-26-2013, 01:56 PM   #15
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nosympathy, I have my FRPP diff cover from my 13 boss I'll sell you. Its the ribbed with the top and bottom nuts to fluid changes. Let me know if you want that, its just chillin here not being used.
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Old 05-26-2013, 01:58 PM   #16
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nosympathy, I have my FRPP diff cover from my 13 boss I'll sell you. Its the ribbed with the top and bottom nuts to fluid changes. Let me know if you want that, its just chillin here not being used.
How much? Depending on the price definitely interested.
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Old 05-26-2013, 02:02 PM   #17
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If you're on the east coast I'll do 90 shipped.
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Old 05-26-2013, 02:13 PM   #18
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If you're on the east coast I'll do 90 shipped.
Yeah Cincinnati Ohio. Consider that a done deal sir.
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Old 05-26-2013, 09:30 PM   #19
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Yeah Cincinnati Ohio. Consider that a done deal sir.
Smelling like a rose.
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Old 05-26-2013, 09:46 PM   #20
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Smelling like a rose.
I know right. Pretty sure he is just 2 hours from me in kentucky if I remember right so I should get it from him pretty fast. I PM'd him but no response. Long as he responds by tomorrow I'll take it from him. I just don't wanna sit on this differential in its current state any longer than I have too. Everything is probably fine, but doesn't mean my gut doesn't feel funny.
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Old 05-26-2013, 10:28 PM   #21
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He's in North Carolina, and you have absolutely nothing to worry about with jayman... Trust me
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Old 05-26-2013, 10:45 PM   #22
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He's in North Carolina, and you have absolutely nothing to worry about with jayman... Trust me
Oh for some reason thought he was in KY. Thanks for the correction on that!
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Old 05-26-2013, 10:49 PM   #23
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I might be moving to kentucky pretty soon, where are you at nosympathy?
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Old 05-26-2013, 10:53 PM   #24
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I might be moving to kentucky pretty soon, where are you at nosympathy?
I'm in Cincinnati but work in Florence. So tippy top. Haha.
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Old 05-26-2013, 10:55 PM   #25
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I'm in Cincinnati but work in Florence. So tippy top. Haha.
Florence y'all! Lol. Sorry off subject but sympathy, u work in Florence ky?
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Old 05-26-2013, 10:59 PM   #26
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Florence y'all! Lol. Sorry off subject but sympathy, u work in Florence ky?
yessir on industrial rd.
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Old 05-26-2013, 11:00 PM   #27
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Ahh not crazy far but not crazy close, I think me and my girl will be moving to paducah or mayfield area
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Old 05-26-2013, 11:03 PM   #28
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yessir on industrial rd.
I was just up in Boone county and ludlow last week. Stayed in wilder Hampton inn for a few nights.
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Old 05-26-2013, 11:04 PM   #29
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Ahh not crazy far but not crazy close, I think me and my girl will be moving to paducah or mayfield area
thats a hell of a drive. I met up with grabberblue5.0 who is in louisville a few weeks back and that was a 2 hour drive. haha.

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I was just up in Boone county and ludlow last week. Stayed in wilder Hampton inn for a few nights.
where do you live normally? Guessing not near here to have a hotel haha.
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Old 05-26-2013, 11:06 PM   #30
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I work an hour from Louisville. Paducah is a haul!

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thats a hell of a drive. I met up with grabberblue5.0 who is in louisville a few weeks back and that was a 2 hour drive. haha.

---------- Post added at 12:04 AM ---------- Previous post was at 12:04 AM ----------



where do you live normally? Guessing not near here to have a hotel haha.
I live where ky tn and va meet. I work in Frankfort. I stay in Frankfort usually 3 nights a week and drive from home the rest of the time. This week, I will travel out near Paducah.
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Old 05-26-2013, 11:07 PM   #31
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I work an hour from Louisville. Paducah is a haul!

---------- Post added at 12:06 AM ---------- Previous post was at 12:05 AM ----------



I live where ky tn and va meet. I work in Frankfort. I stay in Frankfort usually 3 nights a week and drive from home the rest of the time. This week, I will travel out near Paducah.
oh okay, cool. Tiny world haha.
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Old 05-26-2013, 11:10 PM   #32
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Yes it is. That's awesome tho. I don't drive my car to work lol but if y'all see a little 98 black Tacoma standard cab without tinted windows y'all better honk!

---------- Post added at 12:09 AM ---------- Previous post was at 12:08 AM ----------

The next time I head up that way, I'm gonna holler at y'all. At least let y'all know I'm in the area. Lol

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Somebody go over in the Shelby section and tell me what's up with my tc.
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Old 05-26-2013, 11:11 PM   #33
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Yes it is. That's awesome tho. I don't drive my car to work lol but if y'all see a little 98 black Tacoma standard cab without tinted windows y'all better honk!

---------- Post added at 12:09 AM ---------- Previous post was at 12:08 AM ----------

The next time I head up that way, I'm gonna holler at y'all. At least let y'all know I'm in the area. Lol
Haha you will be ignored driving a little truck! . Though you'd fit in with the rest of the people up here. Had a wedding down the road and I counted 23 raised trucks parked out front. Was just ridiculous.
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Old 05-26-2013, 11:13 PM   #34
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Lmao. I'm gonna put an ME sticker on it so y'all will know its me. If I see y'all's cars and u don't honk or wave or something, ill get my little 4 wheel drive Tacoma up to speed and make u acknowledge me lol.
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Old 05-26-2013, 11:15 PM   #35
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Lmao. I'm gonna put an ME sticker on it so y'all will know its me. If I see y'all's cars and u don't honk or wave or something, ill get my little 4 wheel drive Tacoma up to speed and make u acknowledge me lol.
My acknowledgment will be leaving you so far in the dust you can barely see my taillights

hope that truck is packing some FI to have a chance
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