Oil Weight?

[jwirk]

What weight of oil do you recommend in an F2 engine?

 

[imabigbangkindaguy]

Check out the FAQ...

I run 10w-30 Mobil 1 Full Synthetic.

 

[SuperFish]

20w50

Click here:


https://forum.ih8mud.com/40-55-series-tech/131604-what-oil-do-you-guys-use.html

 

[jwirk]

Thanks much. Looks like just about anything goes! With 20w50 being most popular.

 

[lc69hunter]

old engine - not rebuilt 20w50
standard rebuild 10w30 or 40
good rebuild - 10w30 synthetic

I have run all three of the above scenarios

 

[skidplate]

castrol 20/50 recomended in my '75 owners manual.