I was looking at EVOMS Waste Gates for a stage 2 turbo (K16). It says stock waste gate is set for .7 bar ( my car boost 1.0 bar). What would I notice different if I had these installed? thanks in advance, Is there any downside to them?

 

WTF, i thought upgraded wastegates wouldnt do anything or werent necessary for stock K16's, didn't even know there was an upgrade out??

Anyway it would make you hold a higher boost, lets say that 1 bar or 1.1 instead of tapering down as the revs climb.

Edit: I cant find it on their site, where did you see this?

 

I saw it on their web site

 

The stock wastegates are set for .7 or less. The springs simply allow the control of the program to need smaller corrections. It allows the wastegate to stay closed longer and not vary as much on the top end.

 

I don't see it on there site but, you can order them from Mike at Evo. Mine arrive today. About $395 for the set. It's a great value as compared to changing out the complete turbo.

Make sure you get the exact information from Mike on the install. The short story on it is- once you install the rod and the wastegate lever is it zero compression, you add 4 complete turns to the end nut. Test drive it and you should get about 1.2-1.2 bar...

If you want to see a picture of them, go to http://ww2.vividracing.com/catalog/p...222a0899483bd2

Hope that helps. :-)

 

Wow i swear i did not see this on vivid or evo's site, wtf?!? Anyway hmm sounds like a good upgrade, especially with my straight pipes, evo v flow and plenum, should get some more significant gains hopefully, thanks for the info

 

I just got them also. The way I found out was when I asked my motorsports guy (EVO dealer) about upgrading my waste gate springs he told me about the new EVO units. Now instead of breaking the seal and replacing the spring the EVO unit is an entire waste gate unit ment to be a "bolt on" replacement so as not to have to "mess" with the spring in the old waste gate.

 

Does EVO sell them for the K24 turbos?

 

Stephen,
Is it not true that you should not try to boost a k16 over 1bar anyway. I can see 1.0 quicker or keeping the ecu from having to correct but won't you burn up a k16 sustaining over 1 bar or not? Please chime in.

 

Thats not the correct way to do it. You need to pressurize the accuator and adjust it so the flapper arm just starts to lift between 10-11 PSI. The counting method is not accurate enough.

The larger spring will allow for better bottom end, less boost spikes and better overall control of boost.

 

Steve, mine is for the X-50.

 

So wait , for all of those improvements, you would recommend me upgrading my k16 wastegates as well? I would imagine it would help with my stg 2 tuning, straight pipes and evo v flow alot to hold boost and not taper down no??

 

Tom did you notice a significant improvement?

 

Steve, by my seat of the pants dyno, boost comes in a little earlier and holds more, dont see higher boost though. I originally got them to go with the ECU upgrade as I thought the stock set up was not going to hold up to the increased boost. I could be wrong, but same reason I upgraded the DV's, boost hoses, and FRP. Do we "need" to do it or does it "increase" performance......Steve really I dont know, just did it for in my mind basic upgrade house keeping.

 

I had the mod done at speed gallery. Max boost on my stock K24 X50 car comes 500 RPM earlier (really!) and the car holds boost better. Boost is also much more consistent.