Looking at the burn rates for vectan tu 3000, sp7 and tu 5000 against N133 to N140 you should be ok.
I would use tu 3000 and sp7 on the 55-60grn and tu 5000 on 69grn heads.
Looking at the burn rates for vectan tu 3000, sp7 and tu 5000 against N133 to N140 you should be ok.
I would use tu 3000 and sp7 on the 55-60grn and tu 5000 on 69grn heads.