4bd1 (or later 4bd1-T) Oil - M1 Delvac?

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Originally Posted by DazzaTD5

back to IMHO....

oil testing, full synthetic oils etc etc.... to me is wasting money and time.
Its a very low tech highly durable cast iron lunk of an engine.
The only single slight down side to this engine is, like a lot of jap engines they seem a bit dirty and sooty.

I've just done a service on my own Perentie and used what I use on customers vehicles a 5W40 semi synthetic.

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Agreed - it’s a rugged, reliable, long lived small truck engine - they wouldn’t have the reputation they do if they **** themselves because they didn’t have pristine synthetic oil in the at all times. Chuck in whatever half decent brand you can find IMO - We had an small old Isuzu truck at a place I worked with one of these in them - it was abused and badly maintaned for a decade before I started there - it still ran fine then with over 400,000km on it and is still going today 15 years after I left although it’s not used on long runs any more. Don’t get hung up on stuff like this - go buy one and enjoy it.

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Originally Posted by LRJim

I agree, I reckon he's still gonna go back to the jeep after all this.
10k oil changes.....least of your worries mate.
Cheers Jim

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lol.

Not interested in that vehicle whatsoever.

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Originally Posted by Homestar

Agreed - it’s a rugged, reliable, long lived small truck engine - they wouldn’t have the reputation they do if they **** themselves because they didn’t have pristine synthetic oil in the at all times. Chuck in whatever half decent brand you can find IMO - We had an small old Isuzu truck at a place I worked with one of these in them - it was abused and badly maintaned for a decade before I started there - it still ran fine then with over 400,000km on it and is still going today 15 years after I left although it’s not used on long runs any more. Don’t get hung up on stuff like this - go buy one and enjoy it.

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Thanks, I just wanted to be sure I was going to be doing the right thing. When you go to a store, and you are spending money on X oil, I wanted to know why I am spending X amount on Y brand/type because I am not the sort of person that just buys whatever he sees without thinking about why I am (not a consumer driven individual). As I am going to keep the vehicle long term (until it is completely dead and not useable) I just wanted to be sure I was doing the right thing for longevity of the vehicle + financially for myself without having in the back of my mind "but if I used that oil, maybe it would be running better/protected better" thats all.

This is why I was looking for some clues as to why would I spend $300 on M1 Full synthetic 5w 40 over a MX Mobil 15w 40 for $100 (which I guess is similar to RX Super Diesel Castrol etc)