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Ford Tractor Discussion => 9N,2N,8N, Ford Tractors => Topic started by: brawny1 on April 19, 2011, 06:56:17 AM
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New 9n owner here and I have heard that it is ok to use unleaded fuel in my tractor due to the hardened valve seats etc. Is there any truth to this? Also , any suggestions for a multi viscosity oil for the engine?
Thanks for the help,
Brian in Massachusetts
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The valve seats are hardened and no lead is fine.
Rotella is what I use, can't remember the vis. though.
JP
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Rotella, isn't that for Diesels?
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Read on another forum that the detergents in the rotella multi vis is excellent for the tappets.
The viscosity depends on the condition of the engine.
I am not the expert, but if the thing maintains good oil pressure≈lower multi vis numbers/colder climates and SAE 30-40-50 for warm climates
Do some more internet research and decide which way you want to go.
With aircraft we always used phillips X/C until we got a new engine, then went with shell multi vis. It was air cooled, but the technology is 40's era for both.
JP
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Using sae30 and will continue.
Doing a proper oil change tomorrow and have decided to go with Multi vis 10w-30. Seems noone in the family has changed the oil in the poor 9n in forever. NOT GOOD! Will still use Rotella though.