Originally Posted by Grinder
I would personally choose the Full Ceramic +12, or LS3. The OSTZ is also fast, but not as durable as the Novarossi engines. The new STI Sirio is much more reliable. The rod is heavier duty, cranks are holding up too. The Evo 3 STI is only ABC. I will be stocking the Matrix engine pretty soon now.

Grinder
Thanks for the insight, can you confirm whether the ceramic bearings have rubber dust shields or are they unshielded?
Also is the Matrix likely to be in within the next month?
Regards, Mark