I'm wondering whats been tried for apex seals, I'm thinking about rebuilding an engine and looking for an opinion on what to use.

I see there are a few different brands out there, but I'm looking for real life experience not claims.

 

Stick with OEM Mazda seals, nothing else.

 

+1... OEM is always the way to go IMO.

 

x3




The only thing to consider changing is FD side seal springs. And by "consider" I mean "extensively research and decide based on your intended application." Everything else - stick with OEM.