It seems the 12A in my 1973 RX3 is the least ideal engine. APEX seals are 5mm, no intake available, etc. So i am considering a 13B TT. I see an engine on eBay listed as JDM COSMO 13B-T T . First I didn't know the Cosmo came as a TT. Second, is there a manifold hat allows for a sidedraft Weber on this motor? Anything else I should know about a "JDM" motor?

David