Ford Powerstroke Diesel Forum banner

amsoil

1K views 10 replies 9 participants last post by  robert smith 
#1 ·
what oil weight amsoil shoud i use, i have a f250 psd, and i dont do any towing or hauling.

thanks
 
#3 ·
I've been using the HDD 5W30 Series 3000 with no issues for the last couple of years.
 
#7 ·
i second the 5w40
 
#9 ·
You can run the synthetic Amsoil DEO 5w40 year round. when choosing oil the number before the w is the cold rating. the second number is the lube rating after warm up so say if they both end in 40 they have the same lube properties when the engine is warmed up
 
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top