Originally Posted by Unregistered
The Zytec has more downforce than the Speed 8. Seems to have more drag in stock (slower) but it feels ok in stock. I think the Speed 8 has better balance though.
Well actually I do agree partly.
The Zytec is more aggressive. Gives more front end grip.
But for overall grip and stability the Speed 8 is the better of the 2 IMHO.