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Denial newbie
Joined: 07 Jan 2004 Posts: 6
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Posted: Sun Jan 11, 2004 2:01 pm Post subject: 5 Speed Gearbox Oil |
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What should I use ?? Engine oil?? gear oil??
What Viscosity??
thanks Guys
Julian |
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jpower tinkerer
Joined: 12 Dec 2002 Posts: 72
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Posted: Sun Jan 11, 2004 2:38 pm Post subject: Re: 5 Speed Gearbox Oil |
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go to ampol and get manual transmission fluid
also to make it easier to put it in, take the whole gearstick out and pour it down the hole |
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Loz backyard mechanic
Joined: 05 Oct 2001 Posts: 943
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Posted: Sun Jan 11, 2004 6:59 pm Post subject: Re: 5 Speed Gearbox Oil |
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viscosity is the thickness of the oil |
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Bugle tinkerer
Joined: 08 Oct 2001 Posts: 221
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Posted: Mon Jan 12, 2004 1:12 am Post subject: Re: 5 Speed Gearbox Oil |
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Manual transmission fluid is wrong for Isuzu boxes.. The manual says SAE 30 engine oil.. I use Penrite HPR30. |
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RiCE BOi tinkerer
Joined: 20 Jun 2003 Posts: 108
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Posted: Mon Jan 12, 2004 3:32 am Post subject: Re: 5 Speed Gearbox Oil |
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SAE 30-40 is specified in the Gregory's manual, this is a mono-grade oil not multi-grade. It's viscosity doesn't vary much with temp changes, and is recommended due to gearbox temps not varying all that much.
HPR30 should be o.k but may be a little on the thick side. But i've also read in other forums that people have used a standard 25/50 multi-grade in their boxes for years, without any detrimental side effects.
So SAE 30-40 if u want to play it by the book, or a standard multi-grade (such as HPR30 20/60) if the 30 isnt available. As long as one of the viscosity grades is as close the 30 as possible, she should be sweet. |
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