731 replies to this topic

[bazeng]

10w60 for the engine sounds a little on the thick side?

Depends on how Rob built the motor.

Mine will also be on the thick side (20-60) whereas the AMG will be around 10-30

[ENGINR]

What diff oil did you use?
LSD specific one?
or just plain old diff oil?

As Dougmo said, lsd friction modifier if you have used non LSD oil. Just put in a bit at a time though until the noise goes away. If you put in too much, the diff will slip more than it should.

KAAZ / REDLINE / MITSU have them.

It's a Castrol fully synthetic LSD diff oil, can't recall the specs off the top of my head atm.

[marinetowing]

10w60 for the engine sounds a little on the thick side?

I run the same castrol oil in my 6.5

[Dean]

me too in the Gizza

[Evo-00x]

90/140 for the transfer to imo rob. thats what I was recomended when I got it rebuilt.

Are you sure he said 90 GL5 for the transfer case too George? or 90 for the rear diff?

I currently have about 2 litres of Castrol LSX-90 GL5 low friction extreme pressure oil in the garage which specifically says its for differentials. Thats whats currently in the open rear diff of the coupe but Im getting bearing whine. I dont know if its because the diff bearings are shit or because of the fluid as I havent driven the car as an AWD until after the oil change. Now that I've got the mech rear LSD I'm going to have to change fluids when I change the diff over to EVO mech anyhow. If I can use the LSX-90 then it saves me buying the SAF-XA 80/140.

Our motors were built with a 20w-50 recommendation. They're an old style motor and I was thinking 0w-40 or 5w-30 is going to be a bit thin IMO. I dont want to be topping it up all the time and losing a lot of vapourised oil out the rocker cover and getting sucked back into my intake system (or lost out the breather for some people). Will see how it goes.

I noticed when I first got my engine up and running with 30 grade mineral I lost a fair bit witihn the first 100km (due to blow-by past the rings as they havent bed in yet). I've since dropped the oil and filter after 100km and put a new filter and oil in it. The oil level is now stable at 200km + I have a fair while to go before I hit the 1000km mark before using synthetic oil so will have to plan a trip somewhere to clock up the km lol

Edited by EVO-00X, 24 August 2009 - 08:23 AM.

[DOUGMO]

yep, def 90/140 for the transfer. and change it regularly was his recomendation. I have lsx90 in the rear diff with friction modifier

[Evo-00x]

Cool, I'll just use the LSX90 I currently have then Did you get the part number for the friction modifer from Mitsu? and how much of it do you use in the 800ml for the diff?

[DOUGMO]

i forgot to get it, i have a bottle spare at home

edit;found my invoice

part# is MB664682 I think it is 100ml(could be 200ml) bottle and i used about 75% of the bottle.

i just got a litre of diff oil and premixed it with the modifier before i filled the diff so i didnt over fill it.

[EVL20T]

So what oil should i use in my evo box with front viscous LSD??

Do i use LSX90?? or is the GL5 too coarse?

[FRANK-E]

iv put water in urs mikey so u should be fine

[Evo-00x]

So what oil should i use in my evo box with front viscous LSD?? Do i use LSX90?? or is the GL5 too coarse?

Are you crazy? George was talking about LSX-90 for the rear diff + Mitsubishi friction modifier, not to be put into the gearbox You can put LSX-90 into the transfer case though.

Edited by EVO-00X, 28 August 2009 - 11:59 AM.

[EVL20T]

Hahahaha yeh i know

I went out today and bought all this to do a MAJOR oil service

Engine - CASTROL EDGE SPORT 10W-60 (SAE 10W-60, API SM/CF, ACEA A3/B3/B4)
Gearbox - CASTROL VMX-M 75W/85 (SAE 75W/85, API GL4)
Transfer Case - CASTROL LSX 90 (SAE 90, API GL5)
Rear Diff - CASTROL SAF-XA (SAE 75W/140, API GL6)
Power Steering - CASTROL ATF TQ DIII
Coolant - CASTROL ANTIFREEZE
Brakes/Clutch - CASTROL RESPONSE SUPER DOT 4

[Evo-00x]

Good boy. How much did all that set you back?

[evopwr]

Hey mike, why did you go 10w-60? isnt that abit too thick?

Mitsu recommends 10w-30 for turbo 4g63s (or 20w-40 in warmer ambient temp environments).

I sure castrol edge 5w30

EDIT: Just read previous posts... makes sense now!

Edited by evopwr, 29 August 2009 - 02:48 AM.

[EVL20T]

Good boy. How much did all that set you back?

Dunno i goto check the recipet lol, around $200 for all of it

[Evo-00x]

My rear mech lsd diff has now been fully serviced and given the OK for pick up today Hopefully I can put it in before the end of the week to see if it sorts out the whining noise coming from the rear end at about 100kmh


I got an early Fathers Day present in the mail as well. This thing is polished and pretty and quality stuff from JMF. Its definitely replacing the stock black plastic piece of crap!

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Edited by EVO-00X, 22 June 2011 - 02:43 PM.

[GSR-747]

oooo I like that Rob, I will have to try and get myself one of those I reckon!

[SIVART]

that look mint

[Evo-00x]

Thanks guys, it looks very nice on, but very hard to take pics of as its polished and comes out black in photos


After driving for around 300km or so I have finally ditched the noisy GSR open rear diff and got the EVO mech LSD from NZ checked and serviced, then installed into another GSR rear diff housing using GSR 3.545 crownwheel and pinion The tooth alignment and backlash was set, bearings checked and reassembled. The humming noise I was experiencing with the old GSR diff at around 100kmh is now gone = wooohooo! When the old GSR diff was removed the bearings were rooted and you can feel them sticking when turning it by hand so it was good to finally diagnose the cause of the humming noise (a sigh of relief).

Thanks to Mik-e, Frank-e and Gabe for installing it for me and changing all fluids the day before my wedding as I was a bit sick and couldnt work on the car myself.


Oh, a funny but cool thing happened the other night. Frank-e was sitting in the drivers seat of my coupe in the garage with my older brother and his Mrs standing out the back having a bit of a listen to the exhaust note. Frankie decided to give it a bit of a rev and a loud 'bang-bang bang' was heard as the coupe was shooting foot-long flames out the exhaust at the current 4,000rpm rev limiter. It scared the absolute fuk out of them


Ive clocked up 495km in the coupe now...

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Edited by EVO-00X, 22 June 2011 - 02:51 PM.

[DOUGMO]

bewdy ob, you will love the mechanical,

hey, and CONGRATS ON THE WEDDING MATE!!!