Internally gated turbo, External gate
12-14-2007, 03:09 PM
#1
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Internally gated turbo, External gate
I jumped on a used FMIII T25 manifold and downpipe for my 1.6 to replace the greddy. It's externally gated and looks amazingly like the BEGi S5. While I'm scratching my pennies together for a GT2871r, I've got a wee T25 to use for now, a Garrett 2522 .48/.49 #465749-5001. Dyno proven instant spool and 210 whp. It's of course internally gated. Normally, I'd just weld the flapper shut and call it a day, but I don't want to ruin the turbo for resale. So I need to find a new way to hold it shut.
I was thinking of adding a wg actuator and welding the rod stationary to the can (add an L bracket in there if need be). Opinions? Better solutions?
I was thinking of adding a wg actuator and welding the rod stationary to the can (add an L bracket in there if need be). Opinions? Better solutions?
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12-14-2007, 03:19 PM
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Jay, you mean like a bolt that threads into the flange on the downpipe and contacts the flapper? If so, that's makes things easy, and I wish I had thought of that 
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12-14-2007, 03:23 PM
#4
No. The arm that the actuator usually connects to on the wastegate. Looks like they drilled a small hole next to it and used a sheet metal screw wedged against the arm to hold the arm closed.
If that makes ANY sense.
Nice score on the manifold/turbo, I thought you refused to buy anything from FM after your Link disaster?
If that makes ANY sense.
Nice score on the manifold/turbo, I thought you refused to buy anything from FM after your Link disaster?
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12-14-2007, 03:30 PM
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I see.
I gave FM another chance, since the price was right. It came with a Tial gate, which I needed to buy anyway. I can always re-sell it if need be.
Of course, it's been several days and I still haven't received a shipping notification. Hmm....
I gave FM another chance, since the price was right. It came with a Tial gate, which I needed to buy anyway. I can always re-sell it if need be.
Of course, it's been several days and I still haven't received a shipping notification. Hmm....
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12-14-2007, 03:46 PM
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In their defense, I called FM and they said it shipped today.
Oh, FWIW, my shipping estimate when I ordered was $50. I told them I would pay no more than $30. I just looked and they billed my $30.11. Hmm...
Oh, FWIW, my shipping estimate when I ordered was $50. I told them I would pay no more than $30. I just looked and they billed my $30.11. Hmm...
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12-14-2007, 04:53 PM
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yeah, that came to me too. might even use some flat stock or something. we'll see what's easiest once it's bolted up, but certainly it shouldn't be too tough.
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12-14-2007, 05:22 PM
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dammit, I'm not going to downgrade from 250+ to 210 and not use the external gate. If it's going to be weak, I want all the spool I can get. I got some cams too.
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12-14-2007, 06:16 PM
#16
Ben, do yourself a favor and cut the wastegate pipe in half(ish), and then clamp it back together. If you ever need to remove the DP while the turbo/manifold is in the car you'll have a nearly impossible task because of where the external gate is. Cutting it in half will allow you to remove the main section of the DP with out having to **** with the wastegate.
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