535i Aluminum Outlets?

[Aaron]

Weird. I was significantly under 525whp and still gained 12 whp and 52 wtq.

 

[Rcboosted2007]

Dynos are great but have a lot of variables. Thats a whole other crap shoot.

 

[Aaron]

The same dyno, the same dyno operator, the same atmospheric conditions, the very next day. The only difference was the outlets and a single tune revision to account for the outlets.

 

[Rcboosted2007]

That temperature change of the dyno probe most likely made your power the next day. 52wtq from no tune or boost psi adjustment is big.A lot of people are not aware of tricks or flaws in the dynos operation. Either way its great that your purchase felt right.

 

[Kaane]

Since my car looks like this right now, it seemed a good time to install them. I am sure they don't make a ton of power, but I do like any extra efficiency. They are pretty cheap as well.

My goal is 500whp.

 

[Rcboosted2007]

They are so tight, they still wont fit easy in that gap lol

 

[Aaron]

Did the temperature probe on the dyno also reduce my WGDC by 10% across the board?

I've got the logs, but let me guess, we fabricated those too?

 

[Rcboosted2007]

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V8bait

Sergeant
Feb 15, 2018
#5
WGDC base % logs wgdc base table in logs mostly. There's a few other tables that obv adjust this and move it like the coolant temp compensation and other temp tables I think. Not overly important to mess with those.

WGDC after PID logging, when compared to base, is how much PID is doing. Boost error, p factor, d factor all determine this as well as time and whatever else. Don't get caught up on specifics if you're over it'll eventually remove, but not immediately if it was just adding a lot of positive duty cycle.

WGDC bank X % logging = WGDC base + PID + all airflow adder tables.

 

[Rcboosted2007]

I wasnt thrilled with mmp 1st batch of aluminum outlets, mmp silicone outlets or now the psp. 4rth gear pull mmp s3 turbos

 

[JuniorB]

Bumping this thread as a FYI. I purchased the VTT aluminum outlet for the e60 n54, i wasn’t thrilled with the tight sweep on the front turbo, so I was looking for an improvement. Since purchase, I can say the front sweep is a huge improvement, as for the rear, it’s the same diameter. The pics make them look larger that life, they just don’t have the step that seats into the comp housing. I have to say, it’s a nice piece, came well packaged, with a few goodies, now here’s were it gets disappointing, the rear pipe comes extremely close to the manifold, it’s were the silicone coupler sits, no matter which way I turned it, I couldn’t get it straight with out almost touching. The good thing, is I just hybrid it, I kept the rear pipe, and used the front one, with the nice sweep. Some are going to argue if it’s worth it, I found these compressors are small, and need all the flow possible. This is on a stage 1, with nitrous.

 

[island road]

@Chris@VargasTurboTech - I was looking into getting these for my E6X. Do you normally see the connector sitting so close to the manifold like this with the VTT outlets?

 

[JuniorB]

Here’s my hybrid outlet, stock ported rear pipe, front VTT pipe..

 

[Chris@VargasTurboTech]

@Chris@VargasTurboTech - I was looking into getting these for my E6X. Do you normally see the connector sitting so close to the manifold like this with the VTT outlets?

That's awful close. I'd expect more distance. The right word, I believe, is frinkle. You're going to need to frinkle with it until you get some more space.



Chris