Tuple Max Size on 7.1

When trying to do a large INSERT to a table in PostgreSQL 7.1, I get the
following error:
Tuple is too big: size 32112, max size 8140

This limit is being hit both from Perl and Coldfusion.  I am using the
drivers that came with the 7.1 distribution.  We are running on RedHat
7.0 and I used the RPM's to install.

My understanding was that this limit was removed in 7.1.  Any ideas?

Thanks, David