L67 engine problem

[Immortality]

The Supercharged models run a different PCM. Not sure what the actual internal differences are however. The supercharged motors do have the 2 speed fuel pump module and boost bypass valve.

 

[looseunit]

Yer that's wot I was thinking, so now I got to find a supercharger PCM
Don't suppose there going to be easy to get
Cheers cobber

 

[RWD4ever]

Running NA PCM with L-67 injectors you would be getting extra fuel squirted in. The exhaust sensors would trim it back to some extent. Is the exhaust tailpipe black with soot?

 

[looseunit]

Running NA PCM with L-67 injectors you would be getting extra fuel squirted in. The exhaust sensors would trim it back to some extent. Is the exhaust tailpipe black with soot?

Ain't looked but I will, problem is I been trying not to drive her to much just small trips old granny sort of stuff
Dus smell a bit off when it starts.

 

[Immortality]

The tune should be the same if you are using the original Memcal.

 

[looseunit]

The tune should be the same if you are using the original Memcal.

I'm planning on get new mencal from mace
It just feels like a standard 6 , that's wot made me think about timing once boast comes on

 

[Immortality]

IF you open the bonnet and manually snap the throttle open (with the engine running) can you see the boost bypass valve move?

 

[looseunit]

IF you open the bonnet and manually snap the throttle open (with the engine running) can you see the boost bypass valve move?

Yep we have full open when ya give her a good blat
Might put mates O2 sensor thing on and go for drive , see wots going on

 

[Immortality]

Fully closed. The bypass valve is normally open so the air can bypass the supercharger, when you crack open the throttle the vacuum inside the intake drops and the bypass valve closes meaning all the air goes into the engine via the supercharger.

 

[looseunit]

Fully closed. The bypass valve is normally open so the air can bypass the supercharger, when you crack open the throttle the vacuum inside the intake drops and the bypass valve closes meaning all the air goes into the engine via the supercharger.

So I'm not to smart today.
I got it backwards, me not the valve