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Old 11-14-2010   #11
Rmondoh
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Join Date: Aug 2010
Location: Irving, TX
Drives: '08 OBP Evo X GSR SSS (Deadmau5X)
Posts: 234
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Re: GheyrodX - bigger, fatter, gheyer!

Such an epic post and you failed to mentioned that your good buddy Rmondoh took awesome pictures for you but most importantly, you didn't comment on the tune/ride on your ride back home!! EPIC FAIL!

Pictures of the day can be seen here http://www.flickr.com/photos/rmondoh...7625377859768/

Now for some random comments on things throughout the day:

1. This is for Scheides' comment above regarding the 3port and AP. Kracka thinks that the reason why the gains are so drastically different is because the 10's ECU just DOES NOT like MBCs. He told me that he fiddled with boost, timing, etc and he just couldn't make it any better.

2. Took a picture of Kracka taking a picture of the AP. I'm sure some of you guys got a text saying "WTF is this thing?" followed by a picture. Well, now you know the source of that text.





3. As for MAP's o2/dp, there needs to be a slight tweak on it. The o2 bung needs to be moved to the original location. The place where it is now is not very good. Here's some pictures.



(You can barely see the bung behind the bolt here)







4. Now I fell asleep watching TV ~10pm and just woke up and found that this thread was posted (along with a text from Kracka). Having read and looked at the graphs and having the adrenaline high wear off so that I'm thinking more clearly now, I'm not sure if the o2/dp is worth it. Don't get me wrong, I love that it made gains and I was just as excited as Kracka to see the results, but we need ONE more test to see what the real difference is. Hear me out...

Discussing (well listening on my part) with Chris@Cobb about the o2/dp, Cobb says that the restriction is not the o2 housing but the downpipe portion itself. That is the reason why Cobb only makes the downpipe section and not the entire o2/dp. Looking at the gains between stock o2/dp vs MAP's o2/dp, I wonder how much is actually provided by the o2 eliminator and divorced design. The gains are small enough to where going from the stock downpipe diameter of 2.5" (or whatever it is) to a full 3" MAY BE the difference that provided the gains and not necessarily the o2 elim part. MAP's o2/dp does have a wider diameter downpipe as well and the whole thing really is a 3" pipe from turbo outlet to testpipe flange. However maybe the o2 housing bellmouth flows just as well given how it was designed. Just something to consider. Maybe Cobb DID do their research correctly. Thoughts on this?


Perhaps Chris@Cobb might be willing to do another super awesome deal to someone willing to lend their car for some testing. Hmm...
__________________
08 Evo X GSR - Octane Blue Pearl
Cobb Stg1 AMS 93 OTS: 305hp 291tq 20.6psi
Cobb Stg1 93 Pro: 317hp 322tq 24.5psi
Cobb Stg2 AMS 93 OTS: 315hp 323tq 23psi (LWG map)
Cobb Stg2 93 Pro: 343hp 358tq 26psi
Cobb Stg2 93 Pro: 355hp 361tq 26.4psi (ported stuff)

Last edited by Rmondoh; 11-14-2010 at 02:21 AM..
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