trig wrote:One thing I noticed wile driving home is I still have fuel-cut even after porting the waste-gate :?
trig I'd check the following:
1. There is a short hose from the wastegate actuator valve to a metal tube from the turbine side of the turbo. There is a much longer pipe from the metal tube to the Boost Frequency Control Valve (to the rear of the air filter trash can). Check both these hoses do not have leaks / are tightly secured.
2. Doubt it is a problem since you ported the wastegate but check the wastegate isn't either sticking or not fully opening. Even though it is a pain, I prefer to remove the 3 screws and really exercise the wastegate. The bottom of the 3 little screws is a bugger but you can get it in/out by putting your right hand down the right side and then left under all the piping/hoses back to the wastegate. It's that or find an 8 yr old with tiny paws.
3. Do an ElanScan and lets have a look and see what's happening.
4. It may just be that the freeflow exhaust is the cause (flowing too well) and there isn't much you can do except maybe crimp a pipe slightly until it stops.
It ain't all bad news though because it's the MAP (connected to the plenum) that's telling the ECU to cut fuel, so all the pipework from the turbo going to the plenum and all the myriad other pipes connected to the plenum must be good or the plenum would be losing pressure and the MAP would then be reading low and the ECU wouldn't be cutting the fuel.