Small update, I drove the exact same car last weekend from a friend and noticed couple of thing, when in neutral I floor it for about one second, his car goes over 4000rpm, mine just above 3000, I also notices my engine kind of whistles a lot louder when the turbo comes on. Then, the driving itself, in first and second gear not mich of a difference but in third, starting at 1500rpm and flooring it, in the beginning the cars have the same power but when hitting between 2500 and 3000rpm, his car keeps on accelerating faster up until about 4000-4500rpm while mine stays kind of the same in that range... Any ideas from this description?
They are going to switch the vacuum pumps with a secondhand car they have in the garage to see if that makes any difference but any help from here would obviously be much appreciated☺️
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