I changed the redline oil in my trans.
its been in the car for 4 track days and it is totally black. the oil that came out of the trans when I installed it was light golden.
how could it turn black so fast? think I'll send it to blackstone and see what they say about it. I replaced the redline with amsoil so hopefully it will behave a little nicer, going into reverse. |
Probably because Redline is shitty fluid. Your Blackstone UOA will confirm this, just as my Blackstone UOAs confirmed it over a year ago.
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Would Amsoil be the recommendation then? I'm running Redline currently, haven't had issues with it but would be open to switching.
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The color of the oil doesn't really tell you much of anything.
However, RL sucks, AMSoil MTG is the way to go. Blackstone told me that two season of track time (~25-30 hours per season) didn't require a change and I should keep going. I had a slightly sticky synchro in 5th, the change seems to have fixed it. Savington and I sustain 300*f+ trans oil temps. |
Originally Posted by comradefks
(Post 909949)
Would Amsoil be the recommendation then? I'm running Redline currently, haven't had issues with it but would be open to switching.
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Purely out of curiousity... are we talking 5spds or 6spds here?
WHICH Redline fluid was it? I just put Redline MTL (not the heavy duty ---- or whatever, my car is a street car) in my MSM, expecting the fluid to be so awesome i would have permanent jizz stains in my seat, by the way everyone on all the other miata forums were creaming themselves over it. It didn't change at all. Reverse still sucks, still feels notchy as hell, and just... blah. (My shifter needs a full rebuild.) Is Amsoil the one that i truly need to cover my seat in jizm? |
Originally Posted by concealer404
(Post 909974)
Purely out of curiousity... are we talking 5spds or 6spds here?
WHICH Redline fluid was it? I just put Redline MTL (not the heavy duty ---- or whatever, my car is a street car) in my MSM, expecting the fluid to be so awesome i would have permanent jizz stains in my seat, by the way everyone on all the other miata forums were creaming themselves over it. It didn't change at all. Reverse still sucks, still feels notchy as hell, and just... blah. (My shifter needs a full rebuild.) Is Amsoil the one that i truly need to cover my seat in jizm? I don't recall which Redline fluid it was for sure, pretty sure it was MTL 75-90. I just briefly drove the car and reverse seems worse. I need to check if the top of the shift turret is tight. I've read those bolts get a little loose so the aluminum cover moves and you cant shift. I Don't think this is my problem because all the gears shift fine but reverse is seriously not working. Motorcraft xt-m5-QS is said to be the new hotness oil for the 6 speed but i'm skeptical that it will make a difference. |
My transmission temperatures on the track came way down after installing heat shielding around my exhaust where it faces the transmission. From the factory Miatas have it, so I don't know why a car burning twice or three times as much fuel and making twice or three times the heat energy would neglect it. I also shielded my diff from the exhaust as well. It made a ~40*f difference in the trans and the diff.
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FWIW I put the Motorcraft unicorn jizz in my 6spd and it has magically fixed my reverse and 1st to 2nd gear clunk when cold. I won't use anything else, ever.
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I used RL in my trans for a few weeks and I loved the way it shifted. I am trying AMSoil MTG this next change to see if I can tell a difference, I'v heard a lot of good stuff about it.
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Originally Posted by sixshooter
(Post 910105)
My transmission temperatures on the track came way down after installing heat shielding around my exhaust where it faces the transmission. From the factory Miatas have it, so I don't know why a car burning twice or three times as much fuel and making twice or three times the heat energy would neglect it. I also shielded my diff from the exhaust as well. It made a ~40*f difference in the trans and the diff.
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Originally Posted by FowlerMotorsports
(Post 910129)
I used RL in my trans for a few weeks and I loved the way it shifted. I am trying AMSoil MTG this next change to see if I can tell a difference, I'v heard a lot of good stuff about it.
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I'm not use to trying different types of oils, I use T6 for my motor oil as you suggested and want to try the AMSoil, is this what you are referring to?
AMSOIL - Synthetic Manual Transmission and Transaxle Gear Lube 75W-90 (MTG) |
Amsoil mtg is good stuff. Running in 95 5 speed. It was smooth shifting even in winter.
Had redline in a 240sx and it was hard to shift when cold and notchy when hot. |
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It hasn't broken yet. :dunno:
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Anyone have any experience with dog box transmissions and redline shock proof oils? I just put the trans back in, and was advised to run RL shock proof light.
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I checked the tightness of shifter housing and it was good. so that is not causing my reverse problem. i guess I'm glad its reverse not a main gear but still annoying. might try bleeding it agian and perhaps try adjusting the throw of the clutch based on the the fact when I shift in to 1st the car moves ever so slightly so the clutch must still be slightly engaged. it barely moves, like 1/4 an inch but still not good.
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Amsoil MTG is great. I don't have a clue what was in my tranny when I bought it but it had to be forced into 1rst and I couldn't shift into 3rd until the car had been driven several miles. Amsoil solved all the issues and it shifts great.
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Ive heard some times it takes as much as a 100 miles for new oil to 'sink in" to the gears and but I dont think it will happen.
I'm psyched my 5th and 6th seem to work fine, when initially they were very difficult to get into. the new fluid and a new master helped with that. not sure the master was really needed but at least I know the parts are new. we will see, have a track day on monday. |
Originally Posted by wannafbody
(Post 910616)
I don't have a clue what was in my tranny when I bought it but it had to be forced into 1rst and I couldn't shift into 3rd until the car had been driven several miles.
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Originally Posted by pmhaddad
(Post 910119)
FWIW I put the Motorcraft unicorn jizz in my 6spd. I won't use anything else, ever.
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I'll try one day on track with the amsoil and perhaps it will soak in but if it still sucks Ill try the "unicorn jizz"
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Originally Posted by hustler
(Post 909953)
The color of the oil doesn't really tell you much of anything.
However, RL sucks, AMSoil MTG is the way to go. Blackstone told me that two season of track time (~25-30 hours per season) didn't require a change and I should keep going. I had a slightly sticky synchro in 5th, the change seems to have fixed it. Savington and I sustain 300*f+ trans oil temps. Should I'll be fine using it or should I bring it back and get something else? |
Ok so should i swap out my new Redline for Motorcraft Unicorn Jizz or for Amsoil MTG?
What about diffs? I put Redline in that, too. |
Originally Posted by hingstonwm
(Post 910413)
Anyone have any experience with dog box transmissions and redline shock proof oils? I just put the trans back in, and was advised to run RL shock proof light.
My experiance is it provided no added durability for the transmission got real hot and shifted poorly hot or cold. Amsoil MTG seems to be better in every measurable way for mazda 5 or 6 speed. Bob |
at first the amsoil did not seem any better, after some street miles and a session on the track, the car seems to shift fine now. I guess the oil had to get hot and mesh with the gears or something. it may not be 100% perfect but so far it seems much better and no longer something I consider a problem
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