Had the CAT swapped over yesterday.

The CAT system off the 1.6 Si is not the same as the RS1800 as expected:

https://passionford.com/forum/viewto...&highlight=cat

In fact it's actually quite different and didn't fit properly in the same space as left by the old system.

But the car is still no better, so any more ideas?

Would taking it on a rolling road help?

Any help or suggestions are much appreciated as I just want to get it sorted and it's baffling a few mechanics around here.

Thanks