Hughes hyd. roller lifters

[70wayfarer]

hi...have upgraded to hydraulic roller cam from Hughes. they say to use a 10-30 weight oil. seems a bit lite. block is 2/3 filled. what is every one using or recommend.
cheers

 

[gold66cuda]

I run a Comp Cams hydraulic roller with the Hughes lifters and run Mobil 1 15/40 synthetic, working great so far.

 

[Marcohotrod]

I have been running brad penn 10-30 for many years

 

[Dezduster]

I use 15/30 rotela syn or 15/40 deisel oil. I have not notice ed a differance between the two.