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Old 06-09-2009, 05:02 PM   #1
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Default AbsurdFlow + GT2871R + TiAL pornography

Figured I should explain my new signature.

The development of my track **** has reached the point where I am using every single bit of the 220whp I have - which means I can use more. With chronic hardware issues plaguing myself and a bunch of others who track their cars, I started looking into alternatives... and the whole thing sort of ballooned out of control.

MANIFOLD/DP/WG:
Manifold and DP will be fabbed by TurboTim. With my horsepower and response goals, a tubular manifold was a no-brainer, and his **** is the best. 100% stainless steel, with a TiAL V-band outlet.

WG will be TiAL's new MVS wastegate, which is tiny and badass. Honey, Who Shrunk the V44, or something similar.

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The biggest advantage, aside from the lack of flanges, is the sheer size of this thing. It's friggin tiny, something like 3.5" tall from TiAL.

DP will be from Tim, SS with a straight exit under the car. EWG will be dumped next to it, so I can recirc them later and add a catback to run Laguna if I need to.

TURBO:
Choice here was obvious. I wanted the biggest turbo that still provided acceptable response. I've driven a 3076 on another car and didn't like it at all, so I went with a mid-range (52-trim) 2871R. Not exactly an off-the-wall setup, but the real centerpiece of the new setup will be the extensive use of V-bands.

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Aside from the flange at the head, there are no flanges in this setup. None. No more studs to drill/replace, nothing to tighten.

Power goals are lofty. Out of the gate, I want to see what the torque capacity of a 6-puck ACT HD is. It's rated at 300ft.lbs or so. I will be tuning the car on 100 octane, and using a Devil's Own Basic setup on track to keep intake temps down. I won't tune on the WI, which negates the need for failsafes in the system - it's purely a safety margin. Once I slip the ACT HD, I will probably be doing a 949Racing twin-disc for both weight and capacity. On 100 octane at 22-23psi, I should be able to see power levels in the mid to high 300whp range, with torque near there. It may take an intake manifold as well to see those numbers, and I've started looking into that already.

I will post photos in this thread as the new setup comes together.
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Old 06-09-2009, 05:12 PM   #2
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nice! did you see Newb's dyno plot I just posted? 1.6L at 8.8:1 with a 2861 at 16psi.
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Old 06-09-2009, 05:20 PM   #3
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Sounds like a very sick setup. I know I love the way my Absurdflow works with my 2560. I was thinking of going to the 2871 but don't really need/want all that power. Good job dude.
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Old 06-09-2009, 05:22 PM   #4
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Great project!
Cost estimate on parts involved?
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Old 06-09-2009, 05:28 PM   #5
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Is it wrong that I'm sexually aroused by this?
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Old 06-09-2009, 05:31 PM   #6
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Quote:
Originally Posted by Joe Perez View Post
Is it wrong that I'm sexually aroused by this?
Not at all, I know I am.
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Old 06-09-2009, 05:33 PM   #7
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Quote:
Originally Posted by Spookyfish View Post
Great project!
Cost estimate on parts involved?


No, I don't want to know. Knowing will ruin the fun.
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Old 06-09-2009, 05:37 PM   #8
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^^ yeah it would ruin the fun but hot damn....that is a nice setup.
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Old 06-09-2009, 05:38 PM   #9
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Quote:
Originally Posted by Spookyfish View Post
Great project!
Cost estimate on parts involved?
Got it:
Quote:
Originally Posted by Savington View Post
Hustler, expect to drop no less than $3k on new hot parts.

Ask me how I know
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Old 06-09-2009, 05:41 PM   #10
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Nice! Congrats on the new setup plans! FWIW, I absolutely love my 2871!
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Old 06-09-2009, 05:43 PM   #11
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I'm tuned in....keep us updated!!
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Old 06-09-2009, 05:50 PM   #12
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Sav,
Wow. I look forward to seeing this come together.

Are you building this with a certain race series in mind or just track fun?

I foresee Hustler spending alot of money soon....

Chris
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Old 06-09-2009, 05:53 PM   #13
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The car is being built with pure speed in mind, but I can put a dashboard and center console back in place and it would be legal for RTA's Modified class.
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Old 06-09-2009, 05:57 PM   #14
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this is gonna be pretty.
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Old 06-09-2009, 06:46 PM   #15
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And I was thinking you were gonna go V8. This looks like its gonna be **** on bull! I cant wait to see how it turns out
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Old 06-09-2009, 06:56 PM   #16
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andrew, you can suck a bag of dicks.

this is pretty much the setup I'd be running if I were to re-do everything (well, except I'd run a full exhaust)

I think the 2871 is a highly underrated turbo for the miata. I would swap my coldside out today if it wasn't cost prohibitive.





i take back the dicks thing. that setup is going to be friggin AWESOME.


nws down here.
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Old 06-09-2009, 07:03 PM   #17
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Quote:
Originally Posted by Spookyfish View Post
Cost estimate on parts involved?
if you have to ask, you can't afford it.



^not being sarcastic
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Old 06-09-2009, 08:13 PM   #18
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I was wondering when you were going to reveal this Andrew, congrats again! Now you won't be in the pits every other lap reconnecting your ****. j/k
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Old 06-09-2009, 09:39 PM   #19
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Sounds great! But what about bracing the turbo? IIRC Corky used some measurements of how the turbo was moving when hot vs cold to create the brace for his S4 manifold and how it should move, and there are still people complaining that the maniold cracked.
With the much tougher racetrack environment how are you going to prevent the tubular manifold cracking? Tracking the turbo movement and building the proper bracing yourself?


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Old 06-09-2009, 10:33 PM   #20
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Best of luck Sav, can't wait to see the finished product!!!
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