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Old 01-15-2010, 12:41 PM   #1 (permalink)
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Default Oil levels and specs on 88 sami.

So i just bought this 1988 Samurai, and iam planning on changing all oils in it, motor, gearbox, transfer and diferentials. but i have a blank spot on wich oil weights and types i should be using. all i know i will only use Castrol for all of them, and will be using GTX20/50w for the engine. which is 1.3L,4cyl

Last edited by COGHI; 01-15-2010 at 12:44 PM.
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Old 01-15-2010, 10:18 PM   #2 (permalink)
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20/50 is way, way too thick for the engine.
Pickup a repair or owners manual.
If you are asking these questions, the book will give other incites.
(everything else uses the same weight oil... I think I ended up 75W90)
think about synthetic-
Gear oil - Wikipedia, the free encyclopedia

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Old 01-16-2010, 12:04 AM   #3 (permalink)
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Default lubrican types for Samurai

Check out the 1988 samurai Factory Service manual (downloadable at Ack's FAQ - search for fsm) for all the information on lubricant types and quantities. The link to Ack's FAQ is in my signature, below.

You might want to avoid using GL5 Gear oil as it contains additive that are harmful to brass components in manual transmissions. For more information do a search for gl5 at Ack's FAQ.

...and yes, 50 weight oil is too heavy for the engine.

I hope that this helps!
- Ack

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