Short report on redline gear oil in 350z
I couldn't find my previous thread so here's a new one. I've changed the gear oil in my tranny and diff to redline few days ago, as it was recommended to me by few other members, my car had around 22k+ km on it.
I should mention first that when I was draining the fluid from the diff I was surprised by the amount of metal shavings (and sludge) attached to the magnetic drain plug. Hopefully at the next oil change there will be a lot less metal shavings thanks to redline oil.
I’ve to say that I’m impressed. I taught that my gear box was already smooth, but now it's smoother then ever, down shifting from 3-2 and 2-1 have never been faster and smoother, before there was on small notch going into 2nd gear, but now it's practically gone. Also going into 1 there was a bit of notchines and I could feel the synchros engaging, now the shifting is a lot smoother and the synchros spin up a lot faster. By the way, this is all without rev matching.
Also I've noticed that my fuel economy has improved a lot. I think it's a lot more then the 3-5% advertised on the back of the bottle, but I've to do more driving to be sure. So I guess the drivetrain efficiency has improved a bit.
By the way, I'm using a mix of 50/50 mix of MTL and MT90 in the gearbox and 75W90 in the diff. I think I should have got 75W90NS for the diff since the VLSD doesn't need friction modifiers.
I should mention first that when I was draining the fluid from the diff I was surprised by the amount of metal shavings (and sludge) attached to the magnetic drain plug. Hopefully at the next oil change there will be a lot less metal shavings thanks to redline oil.
I’ve to say that I’m impressed. I taught that my gear box was already smooth, but now it's smoother then ever, down shifting from 3-2 and 2-1 have never been faster and smoother, before there was on small notch going into 2nd gear, but now it's practically gone. Also going into 1 there was a bit of notchines and I could feel the synchros engaging, now the shifting is a lot smoother and the synchros spin up a lot faster. By the way, this is all without rev matching.
Also I've noticed that my fuel economy has improved a lot. I think it's a lot more then the 3-5% advertised on the back of the bottle, but I've to do more driving to be sure. So I guess the drivetrain efficiency has improved a bit.
By the way, I'm using a mix of 50/50 mix of MTL and MT90 in the gearbox and 75W90 in the diff. I think I should have got 75W90NS for the diff since the VLSD doesn't need friction modifiers.
by the way, that stuff stinks, i tried to wash my clothing in washing machine since some dripped all over me, and now the washing machine stinks, how the hell do I get rid of the smell I've no idea, any tips are apreciated.
By the way, you'll need 2 1qt bottles for the diff and 4 1qt bottles for the tranny (2 MTL and 2 MT90).
EDIT: fixed spelling (I think)
By the way, you'll need 2 1qt bottles for the diff and 4 1qt bottles for the tranny (2 MTL and 2 MT90).
EDIT: fixed spelling (I think)
Last edited by nuff; Jun 23, 2004 at 11:47 PM.
You think that smells bad try the diff oil in an old car. Even worse if you get one that's been stuffed with banana peel.
Can't help you with the washing machine, I throw away anything I get diff/trans oil on. I know mum always says bi carb is good for removing odours. Maybe do an empty load with a heap of that in it?
Can't help you with the washing machine, I throw away anything I get diff/trans oil on. I know mum always says bi carb is good for removing odours. Maybe do an empty load with a heap of that in it?
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Let us know how it pan's out after 4 - 5000k it sounds like a really good mod, let hope you've got the perfect mix.
Just a thought did'nt Z350Lover have a problem with this gearbox after changing the oil and had to change it back??
Keep up the good work.
David
Just a thought did'nt Z350Lover have a problem with this gearbox after changing the oil and had to change it back??
Keep up the good work.
David
Well, all I know is that FLY_BY_ZED (I think that's what his nick is, do a search for redline gear oils and you'll find it) has been using this combination for over a year with few other people and they don't have any problems.
Also today I had the oportunity of racing a RX8 from the lights, coming to the lights I've downshifted to the 2nd then 1st. Down shifting was never easier
By the way, the RX8 guy chickened out. I think he got scared of the popcharger
Also today I had the oportunity of racing a RX8 from the lights, coming to the lights I've downshifted to the 2nd then 1st. Down shifting was never easier

By the way, the RX8 guy chickened out. I think he got scared of the popcharger
David... you were correct.... I did have hard time shifting my gears with the redline oil.... especially in the cold condition..... I am very happy with the oil that I am using now (nissan recommanded oil)
cheers,
richie
cheers,
richie
Which redline oil did you use?
EDIT: I've also seen Castrol synthetic gear oil which was the exact specs suggested by nissan manual. I suspect it might be exactly the same stuff as used by nissan since I've heard someplace that nissan rebrands castrol oils. I'm not sure if it's true or rumour.
EDIT: I've also seen Castrol synthetic gear oil which was the exact specs suggested by nissan manual. I suspect it might be exactly the same stuff as used by nissan since I've heard someplace that nissan rebrands castrol oils. I'm not sure if it's true or rumour.
Last edited by nuff; Jun 24, 2004 at 04:25 AM.
By the way, in 4weeks, after my car gets fixed, I'm going to melbourne. I'll be staying at some pace up in mountains and it's very cold there in the mornings, if the shifting is hard like Z350Lover mentioned, I'll let every one know.
Originally posted by nuff
...since I've heard someplace that nissan rebrands castrol oils. I'm not sure if it's true or rumour.
...since I've heard someplace that nissan rebrands castrol oils. I'm not sure if it's true or rumour.
FYI,
Peter recommended against changing the Gear and Diff oil because of the issues they had with their Gear box. The issues were fixed by changing back to a cheaper no name brand simiar to the stock stuff.
Peter recommended against changing the Gear and Diff oil because of the issues they had with their Gear box. The issues were fixed by changing back to a cheaper no name brand simiar to the stock stuff.
I remember that. At the time I speculated that the high tech synthetic oils were too slippery for the synchros and I think Peter even agreed. That's why I thought the Red Line without friction modifiers might be a good choice.



Or else your shirt will get white as well