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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 12-03-2006, 05:48 PM   #1
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Yes, the Ghettocharger manifold is DEAD. It cracked on the dyno last night during it's initial baseline runs to the point where it would not hold the flame in even at idle!!! 270 degree crack around the entire wastegate mounting point on the header side. Simply fell apart under load.

On the plus side, even belching flame from the wastegate tube, the ghettocharger did pull 296 RWHP @ 7000 RPM and 264 Ft/lbs @5100 RPM. Good news is that the turbo is fine.

Mark
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Old 12-03-2006, 05:57 PM   #2
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Originally Posted by Markp View Post
Yes, the Ghettocharger manifold is DEAD. It cracked on the dyno last night during it's initial baseline runs to the point where it would not hold the flame in even at idle!!! 270 degree crack around the entire wastegate mounting point on the header side. Simply fell apart under load.

On the plus side, even belching flame from the wastegate tube, the ghettocharger did pull 296 RWHP @ 7000 RPM and 264 Ft/lbs @5100 RPM.

Mark
how long did it hold up for the 100 dollar manifold?
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Old 12-03-2006, 05:59 PM   #3
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DAMN. That sucks.

What are you going to replace it with?
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Old 12-03-2006, 06:00 PM   #4
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hahah. didn't last long. turbo still good though?
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Old 12-03-2006, 06:03 PM   #5
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how long did it hold up for the 100 dollar manifold?
3 weeks, and actually I paid $0 for it... Good thing, might have felt a little ripped off otherwise.

Looks like I might try the new BEGi Cast manifold to compare it with. Fix it once, fix it right. This was done as an experiment, so I am not completely upset by what happened. I would rather have the failure on the dyno where I could keep my car from catching on fire. The turbo itself is fine so far.

Mark
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Old 12-03-2006, 06:19 PM   #6
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damn that sucks...whats the expected gain w/ the new BEGI mani?
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Old 12-03-2006, 06:25 PM   #7
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Booo. Glad to hear all is well though. Lemme know if you want me to make you a replacement weld-ell version of the ebay special. I'm itching to weld something this winter.
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Old 12-03-2006, 07:19 PM   #8
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You could make a replacement mani kit for Greddys or 1.8 Greddy adapter manifolds, I bet those would sell like hotcakes.
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Old 12-03-2006, 07:21 PM   #9
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LOL, it lasted longer then I thought!
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Old 12-03-2006, 07:51 PM   #10
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That is awesome! Congratulations.

Where's the pics?
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Old 12-03-2006, 08:37 PM   #11
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just pulled mine of today and noticed the pipe was comming apart to :( good luck
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Old 12-03-2006, 11:06 PM   #12
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do you have any videos of your car?
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Old 12-03-2006, 11:14 PM   #13
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Was this the piece you cut off, rotated and welded back on?
This isn't where they're "notroious" for breaking- usually it's at the head or turbine flange.
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Old 12-03-2006, 11:39 PM   #14
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mark, you considering re-welding that part? or is it not worth it
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Old 12-04-2006, 02:10 AM   #15
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It would probably crack again if it is not supported better and re-inforced. The flames shooting out the manifold were pretty cool though. Wish we had caught that on video.
Stephanie
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Old 12-04-2006, 01:18 PM   #16
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mark, you considering re-welding that part? or is it not worth it
As Steph said, it's just likely to break there again. Without a really good idea of how to support that area properly (and there isn't really a good solution) it will continue to break there.

Mark
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Old 12-04-2006, 01:39 PM   #17
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Magna, where did yours break?
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Old 12-04-2006, 04:32 PM   #18
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LOL, damn mark you already made more power than I did. How much boost was that run on? I have seen flames from one of my cracked stainless manifolds in the past
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Old 12-04-2006, 05:28 PM   #19
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You could make a replacement mani kit for Greddys or 1.8 Greddy adapter manifolds, I bet those would sell like hotcakes.
With the volume of these kits I've seen selling for under $750, I certainly wouldn't object to a 1.8 manifold that fits the kit.
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Old 12-05-2006, 01:33 AM   #20
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LOL, damn mark you already made more power than I did. How much boost was that run on? I have seen flames from one of my cracked stainless manifolds in the past
It was between 17 and 18 PSI, but I was on a dynojet.... I would say that we are pretty close in terms of power. It would be interesting to do a side by side 4th gear roll on.

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