sealant

What do you guys use to seal the threads to avoid milkshake? I'm talking head bolts and rocker stands. I've been using ultra copper on studs, with mixed results. In a jet boat. I do have a pressure blowbye to bring down the block pressure. I've tried restrictions but don't like low flow at...

What is everyone using these days to seal up the v-drive case?

What is the best sealant for sealing in arp head bolts or studs, bbc gen 4, thank you.

What sealant works best for methanol?

Can anyone who does this for a living tell me what is the best sealant for re-intalling the transom adapter on a set-back pump