RIDE 64b vs 64tr4

["padraic mullin" <paddyfm@hotmail.com>]

i have 2 essentially "new" brits  64b & 64tr4)
the b rides much better (e.g., handles bumps and potholes like a new, 
small car) 
any ideas why?
more importantly, what can i do to my tr4 to make ride more like my b
pfm