Dblink Insert too slow HELP!!!

I am using an 8.1.7 database as a gateway to do inserts from a 7.3.4 database to a 9.2 database. The reads are fast enough but inserts take forever. Updates that should run in minutes are taking hours. We have tried dropping the indexes but it makes no difference. Both applications are purchased vendor code and cannot be modified. So I need to find a solution for the slow inserts.

Thanks!
Ron

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