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New Gearbox Oil?

stuartlaw_78
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stuartlaw_78 Community Regular

stuartlaw_78

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Hi all,

I've just spent some coin on getting my gearbox rebuilt for my R33 turbs.... I'm about to put it in and was wanting to know if anyone has any thoughts on what oil is best to throw in there when I engage the gears for the first time.

Thanks in advance....

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stuartlaw_78 Community Regular

stuartlaw_78

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Redline,shockproof :thumbsup: thats the shit man!

Yeah, that is good stuff... I was just making sure that it's still the best stuff to use for a new box as I tend to hear of people using it when their gearboxes get lazy syncros....

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Swiper the Fox Grand Master

Swiper the Fox

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Yeah, that is good stuff... I was just making sure that it's still the best stuff to use for a new box as I tend to hear of people using it when their gearboxes get lazy syncros....

Stuart, do yourself and your box a favor by NOT using redline shockproof in it it is NOT designed for use in synchro gearboxes and is only beneficial in worn gearboxes.

have a read they clearly state this

http://www.redlineoil.com/products_gearlub...mp;categoryID=6

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khunjeng Veteran

khunjeng

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Redline make the MT90 manual GB oil...I have been using that with no dramas, Its been shifting quite well once its done a few thou Kms.

http://www.redlineoil.com/products_gearlub...mp;categoryID=7

Castrol Syntrans is good too....but I use redline in engine, gb and diff cos I like them.

I'm not a fan of the Shockproof for the GB either generally becuase its a GEAR oil and has too many friction modifiers in it.

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stuartlaw_78 Community Regular

stuartlaw_78

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i use 75/90 in mine. wat did your gearbox rebuilder recommend to use?

Stupid me forgot to ask them and I will be asking them on Monday but thought that I'd find out some info from my fellow Skyline owners...

I def won't be using the Redline shockproof after reading about the product. It is certainly meant for worn gearboxes and not boxes with new gears and syncros in them.... Be careful with your choices people.....

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Dohmar Grand Master

Dohmar

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Stupid me forgot to ask them and I will be asking them on Monday but thought that I'd find out some info from my fellow Skyline owners...

I def won't be using the Redline shockproof after reading about the product. It is certainly meant for worn gearboxes and not boxes with new gears and syncros in them.... Be careful with your choices people.....

I wouldnt even use redline in one with a worn box. My GTR had it. Bloody awful stuff. As soon as they flushed it out and stuck in a mineral oil (not sure what type), most of my shifts were much smoother...besides the redline stuff looks like pureed smurf. Pureed smurf cant be good for any gearbox..

-D

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khunjeng Veteran

khunjeng

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VMX80 and Syntrans have suitbale friction modifers to make your shifts go well, proven time and time again. I find the combination used in the Redline MT90 better, with better sheer ratings since its not replaced often, I go the better oil.

as for the Nulon G70, never used it myself as I firmly believe in buying an oil Oil with the appropiate addiatives included.

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