What is the difference between the ABA 2.0 shortblock and the 9A shortblock....just pistons right?? So what exactly is the difference in the pistons between the 8V and the 16V?? Thanks Brian Honnold '78 Rocco Ragtop '99 Passat GLX -- To unsubscribe, send "unsubscribe scirocco-l" to majordomo@scirocco.org. If you experience other problems, email: scirocco-l-probs@scirocco.org