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Old 01-24-2019, 06:05 AM   #1
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mt82 issues

hey guys so ive been lucky but I think my luck has changed. my 11 gt has 54k miles. I got it back in April with 49k. it was bone stock and has no warranty anymore obviously. all I've done was cai and an offroad xpipe and tune. I dont shift the car hard like I do with my newedge because I was always afraid of breaking the **** trans. clutch, shifter and everything is stock. the car shifts smooth as butter in every single gear besides on a cold morning 2nd might vibrate a little going into gear I can hardly call it a grind. when warm the car shifts every gear buttery smooth at low and high rpms. the issue I've been having is if I'm coming to a stop and do a rev Match downshift its smooth in all gears but 2nd. downshifting into second while coming to a stop it will grind and lock me out until I'm pretty much at a full almost then it will go in usually. now it will do this 9 out of 10 times. I'm preparing the car to get a supercharger by spring so I was about to order a shifter, clutch, flywheel, clutch line and amsoil fluid change. idk if I should pursue and do the upgrades and see if it fixes anything anyway? once again it shifts through all gears smooth and have no issues it's that 2nd gear downshift where I have a problem. any ideas? i know this is common with these peice of s*** transmissions. personally I think I'm losing my 2nd gear synchros. anyway thanks for any replies

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Old 01-24-2019, 08:39 AM   #2
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and btw how are those ben calimer. stage 1 mt82s? I saw them online for like 1800 doesn't sound like a bad option if there more stout the the stock mt

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Old 01-24-2019, 11:22 AM   #3
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I don't have any experience with MT82's other than test drives, but if I was you, I'd put whatever fluid the manufacturer recommends. The Tremec TR3650's in the newedge Mustangs have real finicky synchros and function much better with the recommended tranny fluid. Could be the MT82's are the same way. It's not that other tranny fluids are worse than another, it's just that one might be better for 'this' particular tranny. Only a suggestion. Good luck either way you go.
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Old 01-24-2019, 11:25 AM   #4
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I put royal purple in my 3650 when I did the clutch and man has that trans taken a beating (only on street) but that trans owes me nothing lol shifts like a dream. the mt82 on the other hand I never beat like that and is still giving me issues

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Old 01-24-2019, 01:21 PM   #5
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what can the stock clutch handle power wise? I may just add a shifter and put the blower on the car with the stock clutch and trans and run it low (550-560 whp) the. save up till clutch or transmission fails

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Old 01-24-2019, 05:14 PM   #6
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I put Royal purple in my old MT-82 along with a shifter bracket.
In cold weather mine was always notchy in second, but was a champ otherwise.

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Old 01-24-2019, 06:56 PM   #7
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its not really notchy it grinds and locks me out of 2nd when downshifting in motion

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Old 01-25-2019, 04:39 AM   #8
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Years and years ago I had a transmission that would not downshift into 2nd very easily so I replaced the syncro and it fixed the problem. It upshifted fine but that transmission would just wear out the 2nd gear syncro and make it almost impossible to downshift into second.
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Old 01-25-2019, 05:11 AM   #9
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yeah I'm thinking 2nd gear synchro is kinda on the way out. just weird how it upshifts fine I would think it wouldn't upshift easily either?

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Old 01-25-2019, 05:31 AM   #10
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I came to the conclusion, and it may be incorrect, that it is harder for the syncro to slow down all the mass in the transmission to match speeds for a downshift that it is to speed up the gear for an upshift. What I finally had to do when I wanted to downshift to second was to push my shifter towards first gear to engage the good first gear syncro, that would slow everything down, and then go to second. Never actually went into first but just had the first gear syncro engage enough to slow down everything.
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Old 01-25-2019, 07:40 AM   #11
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kinda makes sense bc when I'm almost at a stop it goes in without a problem if I'm going like 20 mph or more it wont go in

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Old 01-25-2019, 12:06 PM   #12
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That's a damn shame at just over 50k miles. Personally, I really liked the T5's in the foxbody Mustangs lol.

Wonder if you can send the MT82 out to get performance rebuilt, like you can with 3650's etc? That would be nice to go along with your upgrade plans down the road.
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Old 01-25-2019, 03:46 PM   #13
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yeah theres people who can build up the mt82 ben calimer is the first person who comes to mind as he has these transmissions down to a science. and yeah I know lol I dont love the t5 and hate the t45 but I honestly love my 3650 and cant say that enough. it's taken so much abuse from me on the street. although I think that trans has had some upgrades or atleast a rebuild not too long before I got it so maybe that's why it shifts so well. anyway with the coyote I think my plan now might be to boost the car(low boost) and have fun with the car for a little while on the stock clutch and trans then when one of those 2 items fails I will then do a trans clutch and short throw. hoping the stock clutch will hold around 550 rwhp for a little while and I'll just baby the trans. I dont track my car it's just a street car

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Old 01-26-2019, 09:53 AM   #14
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Try firming up the shifter to transmission sloppiness. Upgrade that good for nothing flimsy, spongy, stock shifter mount bushing. An easy cheap fix that will improve all aspects of your shifting. The transmission mount filler bushing does wonders to limit the transmission movements.
energysuspension.com | parts search[COLOR="Silver"]
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Old 01-26-2019, 10:27 AM   #15
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I'm just not sure if I'll keep the mt82 or not that's why I'm unsure if I want to put money into it

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Old 01-26-2019, 07:40 PM   #16
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I put an aftermarket clutch and flywheel along with a MGW shifter. It has lasted 10000 supercharged miles with no issues.
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Old 01-26-2019, 08:20 PM   #17
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what kind of power are you making? I'm just worried my mt82 wont work much longer

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Old 01-27-2019, 08:31 AM   #18
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do you guys think it's worth it for me to try an aftermarket shifter and a fluid change?

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Old 01-27-2019, 08:38 AM   #19
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I know the MT-82 is not rated for anything close to 600hp, but can live, supercharged, if not abused too much. At some point something is bound to fail without being upgraded to cope with the 40-60% increased power loads in the drive train. The OEM clutch is a huge weak issue stock. A better clutch assembly and shifter mounting will go along ways towards healing complaints that manifest themselves as often miss diagnosed transmission complaints.
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Old 01-27-2019, 08:41 AM   #20
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I was originally gonna do a clutch/shifter/clutch line and fluid change but worried that if my trans fails completely when boosted I'm gonna want to ditch the trans. how much does it cost to build the mt82 up to handle 600-700 hp

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Old 01-27-2019, 09:29 AM   #21
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...most go Tremec with serious power adders..? I don't know that even a built MT-82 is capable of dealing with that much power...
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Old 01-27-2019, 09:38 AM   #22
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what kind of driveshaft would I need to get in order to get a 6060 to fit in my mustang? actually what all is needed for this swap? I cant find a list of parts I need for the swap

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Old 01-27-2019, 10:08 AM   #23
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American Powertrain has the kit...

https://americanpowertrain.com/c-400...6-mustang.html[COLOR="Silver"]
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Old 01-27-2019, 10:29 AM   #24
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om looking for a kit that will swap a tr6060 into an 11-14 car not a t56 magnum. reason being is because I found a built up 6060 for sale and the gearing in this particular 6060 trans is closer to the mt82

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Old 02-01-2019, 05:06 AM   #25
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I had the same thing happen, I believe the manual recommends changing yours trans fluid every 150k but I have problems after every 50k. There’s another forum on this that recommends Redline MTL or Redline 75w-90 (I think). The dealer changed my fluid the first time at 55k and that fixed my issue. Around 100k on cold days I had the same issue with 2nd gear and 4th after a little bit. I changed the fluid again with Redline and the issue went away for the most part. Occasionally I’ll notice the issue on cold mornings as I get on the highway a few miles from my house but it only does it that one time for the day. I currently have ~120k miles, drive it hard and occasionally do the drag strip and I have no issues. Before investing money into rebuilding your transmission I’d recommend changing your fluid with Redline and if that doesn’t fully do it for you, look into the transmission turret brace.
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Old 02-01-2019, 05:10 AM   #26
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Redline MTL recommended via these two links.

https://trackmustangsonline.com/thre...n-fluid.11106/

http://www.svtperformance.com/thread...-mt82.1041192/
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Old 02-01-2019, 08:16 AM   #27
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so you think before buying a new trans just try a fluid change first? it wont grind on an upshift well maybe at high rpm but I don't start pulls in 1st its useless. I only have a problem when downshifting and that goes for when it's warmed up or cold

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Old 02-01-2019, 09:28 AM   #28
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Oh sorry I missed the part on downshifting, I noticed it more on upshifting over 3-4K. I would still try the fluid change first, it’s a cheaper option and where as you said the problem goes away after it’s warmed up, I’d say it’s a safe bet.
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Old 02-01-2019, 09:31 PM   #29
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Quote:
Originally Posted by Ctyler009 View Post
Oh sorry I missed the part on downshifting, I noticed it more on upshifting over 3-4K. I would still try the fluid change first, it’s a cheaper option and where as you said the problem goes away after it’s warmed up, I’d say it’s a safe bet.
That’s not what he said at all.. The problem presented both warm and cold...

Also, changing the grease isn’t going to fix a mechanical problem. It sounds like a 2nd gear synchro needs to be replaced.

It COULD be something else, but you should take it to a shop that knows MT-82’s and stop guessing.

Identify the problem, THEN decided on the fix.

Don’t start throwing money away by trying this and that. Take it to reputable shop and discover your options.

That, or drive around the problem for now.
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Old 02-02-2019, 12:19 AM   #30
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I think I might wanna just put a t56 magnum xl in the car and get rid of the problem all at once

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Old 02-03-2019, 10:27 AM   #31
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Why not try doing the spring delete, braided clutch hose and MGW shifter first? Half the issues with the MT82 are the pile of **** shifter and clutch setup. If not... then yeah go Magnum or sell it and get an auto.
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Old 02-04-2019, 07:15 AM   #32
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I'd like to try that stuff and I was going to try that stuff till the 2nd gear thing started happening more and more now I dont want to do all that stuff and then it ends up being a waste of money

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Old 02-04-2019, 08:18 AM   #33
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It's not really a waste, these are upgrades. With just the Energy suspension bushings for the shifter and transmission mount, maybe a hundred bucks and a couple of hours time, you will find out if can be helped. It may/will make a huge difference in the precision of your shifting. The remote shifter alignment is critical and the slop in the factory bushings is really criminal. May as well do a gearbox fluid change while under there. It's probably way due for one. I will suggest Redline DCTF. I tried both Motorcrafts, redline MTL, BG syncro, the DCTF is by far my favorite.
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Old 02-04-2019, 10:31 AM   #34
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just worried if I do all the mt82 upgrades it could potentially not fix the issue then the parts are unusable on a t56

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Old 02-04-2019, 11:37 AM   #35
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I'm between doing the little fixes on the mt82 and an rst clutch then putting a blower on it by the summer or.. do the t56 magnum swap now get rid of the mt82 completely then since it's a pricey swap I would have to wait probably another season till I can buy a blower for it. what do you guys think is the best route. I'm losing sleep over the decision lol

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