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Gearbox Oil

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etking
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Gearbox Oil

Post by etking »

Had a bit of a look through the search function and couldn't really find much on this topic.

For those guys who are having success not breaking our 20 year old gearboxes, what oil are you using?

I know benny was raving on about a nulon additive which i will add also but what oil should i add that too? Brands and weight would be perfect thanks guys!
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photoglossy
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Post by photoglossy »

Nulon additive is great. I mix it with Castrol VMX and have no problems at all.
sht50
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Post by sht50 »

yeah ive been using syntrax with the nulon additive. so far so good
just another boring post bought to you by me.
kid nismo
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Post by kid nismo »

same here, I used Castrol full synthetic manual gear box oil plus nulon. The gear select feels heaps more smoother. but it could all be in my head lol :lol:
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tassuperkart
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Post by tassuperkart »

I use whatever 80-90 EP gear oil I can find. I dont give a toss what brand.
No amount of magic potions or snake oil is going to prevent a gearbox breakage.

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BennyET
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Post by BennyET »

i'm using penrite 80w-85. i drove around on just new oil for a few days last week and i had some troubles getting 1st and reverse, and 2nd to 3rd sometimes crunched a bit. i put that nulon g70 stuff in again and wow its nearly perfect. it really is worth the <$15
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raddavey
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Post by raddavey »

I changed from Castrol VMX to another brand (sorry can't remember what). It was the same weight oil but when the gearbox/car was cold it would grind a bit changing down gears.

So i dropped it out and put the castrol back in. No more grinding.
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digginganddirt
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Post by digginganddirt »

im running fuchs oil really good shit
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Callumgw
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Post by Callumgw »

I'd only recommend the manufacturers spec oil. Then within the spec I've valvoline in the Exa (80-90w) and had it in the MR2 (75-90W). I just changed the seals and reco'd the MR2 driveshafts and put Castrol in. It is definately more "knotchy" than before the change, but still seems fine....

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Damo
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Post by Damo »

I would be surprised if there were indeed as much variation between oils as most seem to think. I use any correct weight I get my hands on.

But................................

I have heard that you can run tranny fluid as a replacement (opinions?)
or even better, jam a banana skin in there for a smoother shift, apparently.


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Ash
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Post by Ash »

Damo wrote:I would be surprised if there were indeed as much variation between oils as most seem to think. I use any correct weight I get my hands on.

But................................

I have heard that you can run tranny fluid as a replacement (opinions?)
or even better, jam a banana skin in there for a smoother shift, apparently.


Damo

the old banana in the diff and gearbox trick. :lol:
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psiboy
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Post by psiboy »

:lol:a mate of mine put 3 whole banana's in his HQ diff , ( very messy and time consuming) and went for a drive .....BANG!!! diff lost an axle gear!!
i pissed my self laughing. i had to tow him over 100k's home with my 180B!!!!not lauging.hot tip ....use up to spec oil, bananas just dont have the same viscosity.lol
wasnt me officer
sht50
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Post by sht50 »

I would be surprised if there were indeed as much variation between oils as most seem to think. I use any correct weight I get my hands on.

But................................

I have heard that you can run tranny fluid as a replacement (opinions?)
or even better, jam a banana skin in there for a smoother shift, apparently.


Damo
it is true in some gearboxes u can run auto fluid but only where manufacturers recomend and some holden boxes u run 15w/40 engine oil
just another boring post bought to you by me.
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digginganddirt
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Post by digginganddirt »

Damo wrote:I would be surprised if there were indeed as much variation between oils as most seem to think. I use any correct weight I get my hands on.

But................................

I have heard that you can run tranny fluid as a replacement (opinions?)
or even better, jam a banana skin in there for a smoother shift, apparently.


Damo
haha that doesnt fix the problem it just get rid of diff or gearbox noise for a while genrally so you can sell the car bahhaha
kid nismo
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Post by kid nismo »

First saw dust and now banana skin? what next, snake oil? lol
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