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just wondering what oil people recomend for an r33 25det gearbox that is getting a bit old, shes a bit notchy and grinds 5th when cold.

ive seen recs for redline shockproof, but i dont think autobarn sell it?

Edited by ClutchBurndout-:(
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An R33 box used in an engine conversion we filled with normal gear oil wouldn't engage any gears with the engine running. With Redline Shockproof in it, it is essentially 100% driveable. Not perfect, but still a bazzillion % better than with normal oil.

Shockproof does have its uses.

alternatively you can just get the castrol vmx-m stuff for about 40$ then add a 500ml tube of Nulon 90 ...It should help a bit...

Ive been told VMX_M was originally designed to fix notchy mitsubishi boxes...

its probably not going to be as good as the redline but its a damn dight cheaper..

you know redline can be bought online for about 100$

  • 5 weeks later...

I paid ~$125 for 1 gallon of Redline Lightweight Shockproof oil, found here

http://www.ebay.com.au/itm/Redline-Lightweight-Shockproof-Gear-Oil-1-Gallon/170557665602?ssPageName=WDVW&rd=1&ih=007&category=46098&cmd=ViewItem#ht_1534wt_648

Can't recommend these guys enough, very good service, fast communication and was delivered the next day.

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