Here is how the stock EVO setup is. Notice the 1 inch hose coming from engine to the intake tube. This is required for EPA reasons and returns all crankcase gases back into the intake system to be burned.

 

where's your catch can?

 

In the corner of the engine compartment next to the coolant reseviour. The above picture is before I installed it.

 

still in the shop? sheesh!

good news. i just checked my intake and boost and there isn't as much oil as in the previous pics i posted. i guess the over filling made the problem worse

here's the crankcase breather

 

do you have a pic?

 

Here is what you can see:

 

thx. good place to put it. did you got rid of the smog pump?

 

yikes, the oil lead and not not having the catch can really makes me nervous. Unfortunately there isn't anybody in toronto that knows the porsche engine really well. I flew Mike from evo up to do the install. I wish he mentioned this to me when he did it. or even better evo included it in their set up. I just got my first cel light and will be bringing it into the dealership today. wish me luck.

 

sorry oil leak not lead

 

Do you have a oil leak? I'm sure over time EVO systems will improve most things usually do. As far as the catch can this can be installed by any good technician at a private shop (High Performance) that works on engines, and not to worry it's not the end all if you do not have one, it simply keeps your system cleaner over the long haul. PS Good Luck

 

I talked to my installer yesterday. He is suspecting that my diverter valve may be the fault. Apparently there is a new billet DV on the way from EVO. This would explain the loss of the high rpm power surge as the DV might be puking compressed air under load. It's shame we can't just use a high end blow off valve instead. I know it'll throw a CEL, but it seems like there are a lot more proven options for BOV's.

 

Actually that would explain allot on your problems your having DDog. You can use a BOV if you wish but there are loud (during venting) and may not hold a engine tune however, I choose Forge diverter valve (dependable slide type, adjustable, high holding pressure and qwik to open on pedal off) Hyperboost makes a good one also and they are easy to install. Here a link if you wish to see.

http://www.webbspot.com/porsche/html...ter_valve.html

Sounds like there getting to the bottom of your problem and thanx for the update.

 

The bypass valve is very easy to test whether it is working or not. The one EVO uses is more than adequate for the pressure you are using. They work fine even at 10 psi of boost. Don't fall for buying a new valve if you don't ned to.

Remove one end of the valve from the intake tube and plug the intake hole and the open end of the valve. Test drive. No increase in boost indicates that you have nothing wrong with the valve.

Even easier to test whole system....remove intake tube from SC and cap the inlet to the SC tightly so no air can escape.- Introduce pressure to the system (10 psi) with a compressor through the vacuum hose from the EGA valve connection. If you have any leaks, you will find them immediately.

I don't know what's wrong with your installer, but they should be able to identify the exact cause of any boost loss within minutes. The amount of boost you get has nothing to do with tuning, MAF, etc. Either belt is slipping or you have a leak or blockage or extreme heat after the aftercooler if you are getting less boost that the pulley is designed to deliver.

 

I think that the installer suspects the the DV is "leaking" and is getting a new style (correct me if I'm wrong here) from EVO I would hope at no cost to DDog, but as qwik check they could use a Bosch TT or standard Bosch DV just to test it would take just a couple of minutes. Heres a good read on diverter valve face off's.

http://dv.mistertam.com/2.htm

 

good news. the cel just went away. I filled it up with gas and added a fuel injector cleaner and then it went away. I didn't end up going to the dealership. the car still pulls hard and always great to drive. do you guys think I need to go to the dealership anyways?