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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 02-25-2010, 07:06 AM   #1
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Default ARTech GReddy Manifold

I looked at all the alternatives (ETD etc), then saw ARTech's work.. so asked him to make me a GReddy manifold.

Progress so far :








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Old 02-25-2010, 09:05 AM   #2
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Beautiful!
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Old 02-25-2010, 09:34 AM   #3
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looks good! Im sure you wont be disappointed.
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Old 02-25-2010, 09:44 AM   #4
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Seeing that makes me very anxious to put in my order for a t3 log mani and 3" down pipe. I gotta get my TECII in quick, I am slacking too much.
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Old 02-25-2010, 09:48 AM   #5
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no ABSURDFLOW, no care.
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Old 02-25-2010, 10:57 AM   #6
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Yeah that is pretty pimp.
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Old 02-25-2010, 11:53 AM   #7
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Quote:
Originally Posted by hustler View Post
no ABSURDFLOW, no care.


Just wait until you have it in your possession dude.

Are you currently running a greddy manifold? It would be cool to see someone with a greddy manifold switch over to a ARTech replacement and have some before and after dyno numbers.

Once it gets warmer here I plan on going back to the dyno for a sesh.
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Old 02-25-2010, 11:55 AM   #8
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Damn. These look soo nice.. and dyno numbers comparing to the other makes would be very cool indeed..
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Old 02-25-2010, 12:07 PM   #9
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hmmm.. won't get to the dyno before fitting.. I have a link ECU so can do before + after power runs instead (I've upgraded DP, injectors and WB02 since last dyno visit anywho).
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Old 02-26-2010, 12:31 AM   #10
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We used to have back to back numbers / dyno with our ETD Racing Greddy Manifold which this basically looks like a copy of. I will have to search for them as we started producing this product 4+ years ago.

IIRC we picked up about 7-8hp over the stock Greddy Manifold.

We also made a Stainless version, but let's just say we scraped it during testing stages an went with our current version.
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ARTech GReddy Manifold-16greddy1.jpg  
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Old 02-26-2010, 12:47 AM   #11
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his **** always looks beautiful. bravo.
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Old 02-26-2010, 01:02 AM   #12
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Is that a water-jet flange? Are they available as stand-alone parts for 1.8 and 1.6? I've been contemplating getting that done, and it only makes sense if I do a bunch. Not sure I want to be in the DIY MT parts business just yet.
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Old 02-26-2010, 02:01 AM   #13
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Thanks

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Originally Posted by [email protected] View Post
We also made a Stainless version, but let's just say we scraped it during testing stages an went with our current version.
Did you achieve 100% penetration, and was it backpurged?

Here's a pic of a ETD KA manifold I found online:





From the 2nd pic, it seems like the welds do not penetrate the pipe on the middle two runners. I don't know how old this manifold is, but if the SS manifold you experimented with 4+ years ago was welded the same way, that would be the reason.

Solar, I'm pretty sure the flanges are laser cut. I PM'd you their contact info (Weir Technologies)
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Old 02-26-2010, 09:53 AM   #14
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Abe,
I may pay you a visit this weekend. I'll call first, of course. I need some #10 fittings on my oil-cooler.
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Old 02-26-2010, 12:05 PM   #15
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Quote:
Originally Posted by SolarYellow510 View Post
Is that a water-jet flange? Are they available as stand-alone parts for 1.8 and 1.6? I've been contemplating getting that done, and it only makes sense if I do a bunch. Not sure I want to be in the DIY MT parts business just yet.
I got some cheap 1.8 flanges I'm getting rid of.
Flanges
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Old 03-02-2010, 11:19 PM   #16
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ARTech,

Do you have jigs/a local resource to make a DP for the Greddy set up? I've considered buying the Begi, however, I'd prefer a flex pipe over the 2 piece design they produce.

Nice welds BTW.

-Zach
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Old 03-03-2010, 12:30 AM   #17
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nice jigging! And I thought our FSAE manifold looked nice haha.
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Old 03-03-2010, 03:06 AM   #18
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whats the cost ?
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Old 03-03-2010, 02:49 PM   #19
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Quote:
Originally Posted by TurboTim View Post
I got some cheap 1.8 flanges I'm getting rid of.
Flanges
Do flanges need relief cuts? Just curious why some people have them and some don't.

Someone needs to take their NB to Abe so he can make a jig. I really want him to have my money.
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Old 03-03-2010, 02:56 PM   #20
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Quote:
Originally Posted by dgmorr View Post
Do flanges need relief cuts? Just curious why some people have them and some don't.

Someone needs to take their NB to Abe so he can make a jig. I really want him to have my money.
Only cast manifolds need relief cuts in the flange so they dont crack.
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