Acceleration problems with the V8 / New Forum Mitg

First of all, I would like to thank all those who have given me my request.
==References== Unfortunately, the problrem is still present. ==References== 2000 revolutions -- even in idle
He's starting to suck and he's not taking any more gas. If I take gas back, it's normal again. Maybe someone else has an idea what that could be.
Thanks again to everyone and greetings from Hamburg

P.S. Perhaps someone in Hamburg or in the surrounding area knows a workshop that deals with V8 Bj, 11/88 and
3,6 liters well. Would be great!