Just wanted to make sure.
I want to change the oil in my manual gearbox on my 1950 Dodge 1 Ton
Book says SAE 90 for -10 and above (I'm in Central Oklahoma)....gets hot here.
Is this still accurate or is there something new that works better?
Not only do I want to change this because its time to do so, but when the gearbox gets warm (despite my doubleclutching technique you all helped me with) the gears still grind a little sometimes. When the trans is cold I can gear up and down with no issues. Just wanted some advice. Thanks! PS no whining or suspicious sounds from the trans at any time.