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Welcome to the Australian Ford Forums forum. You are currently viewing our boards as a guest which gives you limited access to view most discussions and inserts advertising. By joining our free community you will have access to post topics, communicate privately with other members, respond to polls, upload content and access many other special features without post based advertising banners. Registration is simple and absolutely free so please, join our community today! If you have any problems with the registration process or your account login, please contact us. Please Note: All new registrations go through a manual approval queue to keep spammers out. This is checked twice each day so there will be a delay before your registration is activated. |
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23-10-2010, 06:40 PM
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#1 | ||
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not here much anymore
Join Date: Dec 2004
Location: Sthn NSW
Posts: 22,918
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Hi all
diff oil is on the list and if you believe the marketing everybody makes the best one. After some advice on what people have used, I am looking mainly at: Castrol SAF-XA 80w-140 Royal Purple Max Diff Oil 75w90 Penrite SIN80 80w-140 All are synthetic and I have all of them on the shelf at work hence narrowing it down a bit. Thanks for any info/opinions.
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2024 F150 XLT
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23-10-2010, 10:59 PM
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#2 | ||
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Falcon R.I.P. 1960 - 2016
Join Date: Jul 2007
Location: Geelong
Posts: 261
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both myself and my brother have used the Castrol SAF-XA 80w-140 oil, my car a series 2 au ghia with a 3.45 lsd diff, my brothers a ba xr6 turbo running a 3.46 lsd diff. Can't say it's the best but neither of us have had any problems. As a matter of fact I'm about due for a diff oil change myself, I'll be buying some more saf-xa for my diff, unless more than a few people around here would recommend something else.
Cheers 
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23-10-2010, 11:02 PM
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The Destroyer
Join Date: Jun 2007
Location: Gold Coast
Posts: 2,261
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my vote is for the royal purple. nothing but good things.
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Toy- Blown XR8 Ute. Black on black "Front-drive cars are for children" |
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23-10-2010, 11:15 PM
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#4 | ||
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Regular Member
Join Date: Jan 2010
Location: Warrnambool, Vic
Posts: 266
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I've used the Nulon LSD 80w-140 Full synthetic.
It was the cheapest available at the time. I've heard Nulon is good stuff. Cheers Jason
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WANTED: MOMO Metallic blue steering wheel and Manual gearknob! PM Please!!
Stevo _____________________________________ 05/2000 AUII XR6 5sp|Pacemaker 4480 Competition Headers|Lukey catback|Tickford Azzuro's|Impco LPG Conversion |
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24-10-2010, 12:02 AM
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#5 | ||
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Miami Pilot
 
Join Date: Jan 2005
Location: ACT
Posts: 21,704
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I'd go the Nulon (and have used it in the past) - pretty sure it's the only product that doesn't need the LSD additive; everything else I think you need to use something like Penrite Limslip additive 7098.
http://www.penriteoil.com.au/product..._additive_7098
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The Hammer: FG GTE | 376rwkw | 1/4 mile 11.793 @ 119.75mph 1.733 60' (4408lb) 1 of 60 FG MK1 335 GTEs (1 of 118 FG Mk 1 & 2 335 GTEs). Mods: Tune, HSD/ShockWorks, black GT335 19” staggered replicas with 245 & 275/35/19 Michelin Pilot sport 5s Daily: BF2 Fairmont Ghia I6 ZF, machine face GT335 19” staggered Replicas with 245s and 275s, Bilsteins & Kings FPV 335 build stats: <click here> Ford Performance Club ACT |
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24-10-2010, 12:08 AM
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#6 | ||
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Moderator
  
Join Date: Feb 2005
Location: Kenthurst
Posts: 40,403
 
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Castrol SAF-XA does not need the additive from what i remember.
Have used the SAF-XA without issues.
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The Current Stable 2016 SZII TS Territory RWD Petrol The Evolution of the EGA54D utes AU Workshop Build thread of EGA54D B-Series Workshop Build thread of EGA54D 2004 SX TX Territory AWD - Gone but not forgotten 2010 FG XT "The ex-rental" - Moved onto a new home Mechan1k's Flickr Page |
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24-10-2010, 08:51 AM
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#7 | ||
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not here much anymore
Join Date: Dec 2004
Location: Sthn NSW
Posts: 22,918
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None of the ones I mentioned require any additives.
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2024 F150 XLT
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24-10-2010, 09:53 AM
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#8 | ||
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Resident AFF detailer
Join Date: Dec 2008
Location: Melbourne, VIC
Posts: 3,730
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When I investigated this a while ago for my Futura, I read many good things about the Penrite SIN80. Then my mechanic informed me it was a bit over the top and assured me my diff would be just fine with some 75w-90 stuff.......haven't had any issues.
But I was close to grabbing the SIN80. IIRC there was some discussion about diff oils in the Mainlube sponsor forum section....
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No longer an 'active' detailer. |
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24-10-2010, 11:46 AM
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#9 | ||
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not here much anymore
Join Date: Dec 2004
Location: Sthn NSW
Posts: 22,918
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The SIN80 is pretty cheap for me so I am leaning towards that. Its an easy job to do the oil change so I might grab some thru the week and do it next weekend.
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2024 F150 XLT
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24-10-2010, 11:54 AM
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#10 | ||
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sucksqueezebangblow
Join Date: Dec 2009
Posts: 748
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i've put both the nulon and the penrite synthetics in my diff, no probs so far.
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previous:-> 74 KE20 4AGTE, 04 RZN149R, 01 AE112R, 01 KR42R, 84 E30 318i, 67 MINI DELUX, 06 BF XR6T, 08 V50 T5 AWD , MY13 ISUZU D-MAX 4X4 current:-> 16 SS Sportwagon, 19 Everest BiTurbo 4WD |
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24-10-2010, 11:54 AM
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#11 | ||
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Afterburner + skids =
Join Date: Dec 2004
Location: Skidsville
Posts: 12,151
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I use the Penrite with the additive. Eliminated the chatter, no hassles since.
It's what you should be using IMO
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Speed Kills. So buy an AU XR8 and live forever. Oo\===/oO |
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25-10-2010, 12:04 AM
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#12 | ||
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Regular Member
Join Date: Aug 2009
Location: Newcastle
Posts: 474
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Interesting that no one here used the Genuine ford oil & additive,
i don't blame anyone thought its prohibitively expensive!
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****el's drive Rotaries, Four in-line is a waste of time, Six in-a-row just won't go, If you really want something great, drive a great big Ford V8! God made Holden's to keep w*****'s out of Ford's, and yes I'd rather push my Ford than drive a Holden! |
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25-10-2010, 12:16 PM
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#13 | ||
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FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melb north
Posts: 12,025
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i used to use the recomended ford stuff but the lsd is no longer functional, so i just use any old cheap stuff.
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25-10-2010, 12:18 PM
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#14 | ||
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Critical Thinker
Join Date: Jan 2005
Location: Adelaide
Posts: 20,409
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I have SIN80 in my diff. No issues to speak of
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"the greatest trick the devil pulled, is convincing the world he doesn't exist" 2022 Mazda CX5 GTSP Turbo 2018 Hyundai Santa Fe Highlander 1967 XR FALCON 500 Cars previously owned: 2021 Subaru Outback Sport 2018 Subaru XV-S 2012 Subaru Forester X 2007 Subaru Liberty GT 2001 AU2 75th Anniversary Futura 2001 Subaru GX wagon 1991 EB XR8 1977 XC Fairmont 1990 EA S Pak 1984 XE S Pak 1982 ZJ Fairlane 1983 XE Fairmont 1989 EA Falcon 1984 Datsun Bluebird Wagon 1975 Honda Civic |
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25-10-2010, 04:40 PM
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#15 | |||
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FF.Com.Au Hardcore
Join Date: Feb 2007
Posts: 606
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Quote:
I had my LSD recoed by newcastle gearbox and diff and they said just to use something basic in a 75w-90 weight and get the ford motorsport additive to put in. It's not the additive available from ford that they put in the fvp's, they import it from the us because it's that good, and not that expensive. $25 a bottle and you only use half a bottle at a time.
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9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track. 86 ZL mint grandpa spec with premo sound and 150000km 07 TTG XForce, PLAZMAMAN, IDYNO TUNED, 349KW@all 4! 97 el futura MOCKed up with a 2500 stall, heaps of fun! |
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25-10-2010, 04:58 PM
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#16 | ||
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The 'Stihl' Man
Join Date: Jan 2005
Location: TAS
Posts: 27,591
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Ah what about the site sponsor mainline? Cant say Ive seen a bad post about them, actually all very good.
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25-10-2010, 08:01 PM
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#17 | |||
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FF.Com.Au Hardcore
Join Date: Nov 2006
Location: Sydney
Posts: 1,334
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Quote:
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25-10-2010, 08:23 PM
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#18 | ||
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The 'Stihl' Man
Join Date: Jan 2005
Location: TAS
Posts: 27,591
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Yeah thats them. You get what you pay for I guess...I mean how often do we change diff oil?
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27-10-2010, 11:37 AM
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#19 | ||
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FF.Com.Au Hardcore
Join Date: Nov 2008
Location: Botany, Sydney
Posts: 830
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I guess the next question has to be ......
What's a diff worth??? Allot more the 2 litres of diff oil......even Mainlube. I have many customers who's usage is so tuff their diff fails if Mainlube's not used, guess they don't have a problem with the cost. Only one yard stick for quality and that's price. What's a diff worth?? (no additive needed with Mainlube, it's a real LSD oil) 75w90 is too light for a diff, it's a gearbox oil. Cheers Steve
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MainLube - Extreme Lubricants For Overdriven Machinery Mainlube 175 Synthetic Race Oil SAE 10w60 (engine) Mainlube 154 Synthetic Solid Boundary E P Gear Oil SAE 75w80 (gearbox) Mainlube 154 Synthetic Solid Boundary E P Gear Oil SAE 75w140 (diff) www.Mainlube.com.au |
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27-10-2010, 11:51 AM
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#20 | |||
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OzEcruisers PRESIDENT
 
Join Date: Mar 2005
Location: Melbz
Posts: 15,761
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I just added Penrite Limslip 140 to my Diff
I could have added Penrite LimSlip 90 but went 140 instead I have a whine in my diff and was just seeing if that would quiten it - it didnt lol Looked at the spec sheet and it said this:- (looks like 3 times thicker at 40 Degrees and 2 times thicked at 100 Degrees) - i think i will put LimSlip 90 back in but what MainLube product should i use and what is its cost Its a daily driver with a few drag meetings which include Burnouts First Numbers are LimSlip 90, then LimSlip 85W-140 then Limslip 140 Density at 40oC 0.901 - 0.912 - 0.914 Viscosity, Kinematic, cSt at 40oC 148 - 371 - 455 at 100oC 15.2 - 27.2 - 30.7 Viscosity Index 103 - 98 - 96 Viscosity, Brookfield, cSt at-26oC 136,000 - NA - NA Viscosity, Brookfield, cSt at-12oC NA - 52,900 - NA Colour Blue - Blue - Blue Phosphorus, mass % 0.099 - 0.099 - 0.099 Penrite Brochure here http://www.penriteoil.com.au/pis_pdf...JAN%202010.pdf
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1994 Ford Fairmont EF NA 6cyl Man 3.9 diff Sedan PROEF 13.46 @ 105.78mph Tuned by DYNOMOTIVE 200BUX - AFF Drag Nats 2019 EF Wagon Quote:
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29-10-2010, 09:52 AM
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#21 | |||
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FF.Com.Au Hardcore
Join Date: Nov 2008
Location: Botany, Sydney
Posts: 830
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Quote:
Mainlube 154 Synthetic Solid Boundary E P ear Oil SAE 75w140 is $69.51 +gst per litre, first check at 60,000 then again at 100,000 klms (Free Filtergram) Standard diff takes a little under 2 litres 196 cSt@40C 25.3 cSt@100C over 5 times weld load with solid boundary. Mainlube 154 Synthetic Solid Boundary E P ear Oil SAE 75w140 service bulliten is here Cheers Steve
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MainLube - Extreme Lubricants For Overdriven Machinery Mainlube 175 Synthetic Race Oil SAE 10w60 (engine) Mainlube 154 Synthetic Solid Boundary E P Gear Oil SAE 75w80 (gearbox) Mainlube 154 Synthetic Solid Boundary E P Gear Oil SAE 75w140 (diff) www.Mainlube.com.au |
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Diff Oil for the 3.45 LSD
Linear Mode
