[Formulajones]

Originally Posted by Verdoro 68

Via Butler:



Interesting that they say to rotate the parting lines. I was reading a Buick site where they were using the seal and said the same. BOP instructions say you can do that, but they haven't found it necessary.

The BOP instructions say to "apply a thin film of silicone or anerobic sealer between the cap & block and anti-rotation holes only."

Yes the anaerobic sealer works for that too. Why BOP tells people on the phone to not seal the cap yet will send instructions along that say otherwise is puzzling. Makes me wonder if they've had customers that just went overboard with it, or used the wrong type of sealer and caused problems.

I don't rotate the seals here either, I just keep the parting line with the block and use sealant from the seal face out to the edge of the cap.
I've never found any advantage to rotating the seal. A parting line is a parting line.

Never had one leak.