I think the main reason for the 5port phaze out was
because of the B.S. ROAR rules, that limit engines to
the 3ports only. The stock 5port is still one of the
meanest .12 engines ever produced. It's hard to find
a good 5port "Outlaw" engine now days.
i second that thats the reality of manufacturing business. im not much of a fan, but they claim the XZ have similar on paper specs to the 5 port TZ. i dont see a point why they need to continue with the old school production.
just my 2 cents.
Serpent S411 TE : ready to race
Tamiya TA05 VDF : sleeping mode
Align 450 sports v2 : tick-tock in progress