Search results

Here is a thread about plugs.

They have to blame ignorance on something. To suggest the CAI is affecting smoke on startup is appalling stupidity.

A prime example of bubble-think. You are only interested in opinions that support yours.

No need to grasp at straws. It isn't a back pressure issue or flow issue. The only possible explanation is an exhaust leak. You tightened down the clamps on the Thermal, but I'm betting it still wasn't sealed. There are other threads and posts that have found it a problem to get a tight fit.

Since you're asking, I think silver would be a good match for that color.

Doesn't have anything to do with air filter or exhaust flow speed. Popping sound on deceleration shows exhaust leak on bank 1. Installing the exhaust may have compromised cat connection at turbo or midpipes.

Is this on e50 or ? What shift RPM? Has ZFG modified rev-limit/shift speed? Any logging showing mass flow in lbs/min at shift limit?

Completely agree! Why take the risk? Change it at 50k

The P0420 code relates to cat efficiency- the rear sensors are responsible for this code, generally not the wide-bands pre-cat. If the wide-bands were the problem there would be a lot of other codes. First check for any misfire codes. Those codes need to be addressed first and could be related...

The turbos are a mechanical device- they just don't stop working. Most likely it is the wastegates. There is either an electrical issue, a vacuum issue, or the ECU has just decided to hold them open for some other reason related to engine preservation.

I think you've answered your own question.

These are just my observations: Unless you bought the one-in-a-million plug that was bad, I attribute the first bad plug to detonation which will definitely give off misfire codes even though technically the engine didn't misfire. Assuming that to be the case, you're looking at bad fueling or...

Yeah, something bigger is wrong! Since you have the Nostrum parts, any chance you've logged fuel pressure?

By any chance did you pull the codes- I'd be looking for "P" series misfire codes, and possible something else related to the cause?

Another thread with Torsen info here

Take a look at the Platinum ST build thread here He started to do this mod and even (according to him) purchased the timberline diff. However he moved on to another vehicle.

Your engine will not "run rich" because your air filter was dirty, although a filthy filter will impact performance. You had better have that cylinder bore-scoped. I cannot see any way that amount of material exited via the exhaust valve and turbine without some damage. Most likely that...

Start with intercooler and ZFG tune. That alone will get you the best bang-for-the-buck. A completely stock ST (no intercooler, no nothing!) with a custom ZFG tune put down 440WHP and 497 WTq on 93.

The only reason an aftermarket fuel pump will add HP is if your power is limited by fueling- which requires larger injectors and the extra volume of the new pump. Unless you're planning to run high percentages of ethanol a pump and injectors is not necessary. If the aftermarket pump can support...

I would NOT volunteer my car to be the guinea pig for this. Consider how it's achieved: On deceleration, when we want to enable this "feature", the tuner in effect must introduce unburned gasoline and air into the turbine or catalytic converter so it ignites, creating the condition. It can be...