Im having slight boost issues with my car , and trying to find a part number to have the diverter valves replaced

anyone knowlegable about the part numbers?

 

I'd suggest getting aftermarket billet diverter valves. Much more better.
http://www.sharkwerks.com/products.php?pid=30

 

There much speculation and mixed opinion on the aftermarket options , some tuners say its good and some say its better to stay stock.

Also a few indivduals went back to stock after upgrading them

so i'd rather stay stock

 

Much speculation?

Maybe get part numbers for the GT2 RS?

ps. much speculation?!

: )

 

997.113.203.71

Same part used in 997.1TT thru GT2RS (illustration is from Gen 2 TT but same goes for 2RS--I checked)

U need two of these BTW.

While you're at it, why not consider spring-operated alternatives (as opposed to OEMs which are diaphragm-based) for better consistency/durability:

http://www.championmotorsport.com/pr...p/cmsdv02b.htm

.

 

My English is bad as it is my second language,

Thanks for the heads up though

*Edit*

Definition of SPECULATIVE
1: involving, based on, or constituting intellectual speculation; also : theoretical rather than demonstrable <speculative knowledge>

 

Thanks for the part numbers , i will reaserch the aftermarket options

 

Or get this. Imagine two of these together... that's rollin in style

http://www.youtube.com/watch?v=HblCEQXQ8Q4

 

Excellent definition -- I can't think of a better word to describe Internet forums!
Anyway, my mistake.
If I were trying to diagnose/solve a boost problem, I'd use the GT2 RS parts, if they're available. Otherwise, I know the EVO diverters work -- they're on my 993 Turbo. I've seen the same product working properly on very high boost Porsche applications.

 

The speculation grows logarithmically..

Are you listening Mr. Grammar **** ?

 

GT2RS parts might cause speculation with very little return

Glady they are the same parts as the 997.1 turbo as Crex pointed out.

Evo diverters , do you mean the Evoms?

How do they feel compared to the stock diverters??

 

TTurbine you should cross-post to the Turbo forums where there'll be more people with actual experience... not underrating the wealth of knowledge here at all, but you're more likely to find people with a modded TT there

 

Will do

Thanks alot

 

Crex , i got a little confused , are these the 2 plastic valves that sit on top of the turbo? or are they part of the housing?
Evoms desing is diffrent than the Champion motorsports

http://evoms.com/marketplace/LargerGallery.asp?imageid={697F292D-1E19-4813-A565-521C6D6D7DFF}

 

A bit of background: the diverter valves (aka blowoff valves) are on the intake part of your air system, located between the intercooler exit and throttle body. They deal with COOL not hot air. Look for them on the top of the engine, somewhat deep in the engine bay. The left one is slightly beyond the coolant reservoir (that white plastic tank with a blue cap) and the other at about the same place on the mirroring side.

As you will see, these are rather far away from the turbos attached to the exhaust manifold. I think you may have gotten them confused with wastegate actuators which, like you said, are attached to the turbo housing.

Whether you go with OEM, EVO or whomever, diverter valves are really a simple thing--they pass intake air to the throttle body and prevent pressure in the intake system from exceeding a pre-set level (typically caused by a snap-closure of the throttle butterflies). When said pressure's exceeded the valves open and vent the excess into either the atmosphere or exhaust. Hardly any rocket science at all...in fact I hazard to say they're one of the lowest-tech plastic bits in your teutonic steed...

Ricers can go ad nauseum about diverters since these things can make some dramatic noise (that boo-schweee sound at throttle lift) but functionally they're all the same as long as they hold boost.