I dont like U4 , (personal preference) but I run c12 and also MS103 in mine,
I have the same setup as you minus the filter.
I ran the U4 just didnt like it even though it is a good fuel, just oo much to deal with , when using it
I have the same setup as you minus the filter.
I ran the U4 just didnt like it even though it is a good fuel, just oo much to deal with , when using it