I'd try a World Beater with a weaker drilling. The WB has a stronger cover and is asymmetrical, but the Arch Rival was sneaky-strong at the breakpoint, so with a weaker drilling, you might be able to replicate the motion of the Arch.
Jeff Voght
PBA East Region Member
Columbia 300 Staffer since 2007
Owner, Iroquois Lanes & Restaurant since 2006