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Type R Gearbox And Diff Oil


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Posted

Right, I've been searching all through a couple of different forums and cant find a definitive answer.

Giving the car a service, and I'm having trouble finding which gearbox and diff oil to use.

Its for my 1997 sti type r with the DCCD.

I was thinking,

Engine = Silkolene Pro S 10w50 - 5 Litres

Gearbox = Silkolene Silktran Syn 5 75w90 - 5 Litres

Front and Rear Diff = Silkolene BOA 90 LS - 3 Litres

Would that be good to go with? Some people have said just to stick the Syn 5 stuff in the diff's aswell? Didn't fancy that with the LSD though.

Or would the motul stuff be the oil of choice?

Cheers,

Hacky

Posted

Alright Hacky

For the engine I run mine on Mobil 1 15w50 which seems fine, never tried anything else though. Im no help for diff or gearbox though not changed mine yet. Im sure someone will put a reply up soon enough that will help you :thumbup:

Heard you giving it beans past my house the other night!!

Craig

Posted

Cheers bud,

Was hoping someone with a type RA or type R might have been able to help me out here or even anyone with the DCCD. Surely there must be a couple. Was going to order it today, tomorrow at the latest so I can use the opieoils extra 10% off offer but dont want to rush in and buy the wrong gear!

Hacky

Posted

As Arch has pointed out Front and centre Diffs share the same oil. You are obviously concious of the need for friction modifiers for your rear Plate diff, same applies to the DCCD, it's just an electromechanical Plated diff.

I have no experience of Silkoline products, so can't comment on them.

However I use Motul 300V for the engine in the race car and Millers CRX LS in the Box and rear diff.

My advice to you, if you haven't ordered already is call Alyn at AS performance and he will provide you with the 'best' thing for the job.

---john---

Posted
Gearbox, front and centre diffs are all housed in the gearbox case so same oil feeds all :thumbup:
As Arch has pointed out Front and centre Diffs share the same oil. You are obviously concious of the need for friction modifiers for your rear Plate diff, same applies to the DCCD, it's just an electromechanical Plated diff.

I have no experience of Silkoline products, so can't comment on them.

However I use Motul 300V for the engine in the race car and Millers CRX LS in the Box and rear diff.

My advice to you, if you haven't ordered already is call Alyn at AS performance and he will provide you with the 'best' thing for the job.

---john---

Yeah so I see. Been scanning about and just found out that the front diff is lubed using the same oil as the gearbox. Are you sure its shared by the rear diff aswell? I was under the impression it was seperate?

Posted

rear diff is a seperate unit but in general most would use same oil in box and rear diff.

your getting advice from people who know better here mate,take it lol :thumbup:

Posted

I've went for the Silkolene 15w50 Pro R for the engine oil and Silkolene Silktran Syn 5 75w90 for the Gearbox and diff's. I've only ordered 5 litres of the 75w90, think that will cover it? I'm sure its 3.5litres for the gearbox and about 1 for the diff? That sound about right?

Apparently the Syn 5 stuff is one of the only oils that can be used for the gearbox AND for the lsd diff.

Hacky

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