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danielparry
Joined: Sat Feb 02, 2019 2:02 pm Posts: 64 Location: Port macquarie
Vehicle: 2006 suzuki jimny
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Posted: Mon Sep 30, 2019 1:10 pm |
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Im looking at changing all these oils soon with some penrite gear oil Just woundering do i need to use the fully synthetic oil for this or is the penrite semi synthetic ok?? These definity a price difference in them both.
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bumstein
az supporter
Joined: Sat Oct 06, 2012 5:49 pm Posts: 1975
Vehicle: Sierras!! SWB and LWB
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Posted: Mon Sep 30, 2019 2:59 pm |
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No need for fancy expensive gear oil. 80W 90 Mineral gear oil is fine
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sideways
az supporter
Joined: Fri Oct 29, 2010 1:53 pm Posts: 5886 Location: Northcliffe, W.A.
Vehicle: LJs, Sierra, Jimny, Swift.
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Posted: Mon Sep 30, 2019 4:35 pm |
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I wouldn't recommend the Penrite progear. I put it in my Jimnys gearbox and it totally killed the function of 1st and 2nd syncros. Also after a stint on the highway the input shaft bearing gets noisy when you come back to idle, I guess it really thins out with the heat. I had a similar experience with the penrite semi synthetic oil in the gearbox of my Landcruiser, I changed to castrol VMX-M 75w-85 and it was a night and day difference in shift quality, no more grinding gears!
I normally use castrol VMX for gear oil. It's relatively cheap and seems to work great.
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danielparry
Joined: Sat Feb 02, 2019 2:02 pm Posts: 64 Location: Port macquarie
Vehicle: 2006 suzuki jimny
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Posted: Mon Sep 30, 2019 5:18 pm |
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bumstein wrote: No need for fancy expensive gear oil. 80W 90 Mineral gear oil is fine Ok thank you
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danielparry
Joined: Sat Feb 02, 2019 2:02 pm Posts: 64 Location: Port macquarie
Vehicle: 2006 suzuki jimny
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Posted: Mon Sep 30, 2019 5:20 pm |
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sideways wrote: I wouldn't recommend the Penrite progear. I put it in my Jimnys gearbox and it totally killed the function of 1st and 2nd syncros. Also after a stint on the highway the input shaft bearing gets noisy when you come back to idle, I guess it really thins out with the heat. I had a similar experience with the penrite semi synthetic oil in the gearbox of my Landcruiser, I changed to castrol VMX-M 75w-85 and it was a night and day difference in shift quality, no more grinding gears!
I normally use castrol VMX for gear oil. It's relatively cheap and seems to work great.
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danielparry
Joined: Sat Feb 02, 2019 2:02 pm Posts: 64 Location: Port macquarie
Vehicle: 2006 suzuki jimny
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Posted: Mon Sep 30, 2019 5:22 pm |
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sideways wrote: I wouldn't recommend the Penrite progear. I put it in my Jimnys gearbox and it totally killed the function of 1st and 2nd syncros. Also after a stint on the highway the input shaft bearing gets noisy when you come back to idle, I guess it really thins out with the heat. I had a similar experience with the penrite semi synthetic oil in the gearbox of my Landcruiser, I changed to castrol VMX-M 75w-85 and it was a night and day difference in shift quality, no more grinding gears!
I normally use castrol VMX for gear oil. It's relatively cheap and seems to work great. Ok thanks alot for that, ill have a look at that castrol oil
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bumstein
az supporter
Joined: Sat Oct 06, 2012 5:49 pm Posts: 1975
Vehicle: Sierras!! SWB and LWB
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Posted: Mon Sep 30, 2019 6:29 pm |
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danielparry wrote: sideways wrote: I normally use castrol VMX for gear oil. It's relatively cheap and seems to work great.
Ok thanks alot for that, ill have a look at that castrol oil I reckon your right, I haven’t seen any advantage using Penrite oils. Shell, Castrol etc seem just as good and you’re usually able to get it cheaper. I think Penrite is good at marketing and branding.
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Gwagensteve
Joined: Thu Feb 26, 2009 10:30 pm Posts: 12754 Location: Melbourne
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Posted: Mon Sep 30, 2019 9:12 pm |
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I’m not really sure why Penrite is held in such regard other than parochialism. Boomers seem to love it though.
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ZUZUKI
Joined: Thu Sep 02, 2010 5:50 am Posts: 427 Location: Melbourne
Vehicle: '85 Sierra LWB, '99 GV 2.5L
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Posted: Mon Sep 30, 2019 10:14 pm |
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I think one of the reasons people rate them is the depth of range & specialty products. They are a big player in the classic car scene with odd stuff like (manual) Steering box sludge & pre-select gearbox oil. Stuff that no-one else could be bothered with, so that translates in people wanting to support them across to more normal / common applications. Rgs, Michael
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303zuke
az supporter
Joined: Wed Aug 19, 2009 11:30 pm Posts: 2447
Vehicle: LJ50V, SJ70
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Posted: Tue Oct 01, 2019 10:25 am |
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ZUZUKI wrote: I think one of the reasons people rate them is the depth of range & specialty products. They are a big player in the classic car scene with odd stuff like (manual) Steering box sludge & pre-select gearbox oil. Stuff that no-one else could be bothered with, so that translates in people wanting to support them across to more normal / common applications. Rgs, Michael Most of which is available anyway from the big brands like Mobil, Shell and Castrol much cheaper if you can be bothered reading catalog lines rather than just walking into a retail auto parts shop and looking at what is on the shelf.
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Gwagensteve
Joined: Thu Feb 26, 2009 10:30 pm Posts: 12754 Location: Melbourne
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Posted: Tue Oct 01, 2019 10:44 am |
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And it’s not like there aren’t a range of international standards that cover these products. I have paid the money for Redline, and would again, in an application where the loading the parts are seeing far exceeds the factory parameters, but I don’t know if anyone can explain why Penrite 80/90w is better than, say, Castrols 80/90w
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alien
Joined: Wed Mar 24, 2010 10:30 pm Posts: 16343 Location: Perth
Vehicle: '92 Sierra, 1.6efi, SPOA, 31s.
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Posted: Tue Oct 01, 2019 7:07 pm |
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If you're besties with a local workshop, you'll probably find it rather cheap to just get them to do it and the disposal given they buy by the barrel =)
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bumstein
az supporter
Joined: Sat Oct 06, 2012 5:49 pm Posts: 1975
Vehicle: Sierras!! SWB and LWB
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Posted: Tue Oct 01, 2019 7:33 pm |
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Got a mate that runs a workshop in Joondalup, phoned him recently to find out if he could get good size drums of it cheaper. Turned out I could get 20ltr drums of Castrol for around 30% less than he pays for his, repco sale with discounted oil. It’s a good thing
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