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Anybody know the inlet diameter on stock 1990 turbo housing?

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Old 09-02-02, 09:47 PM
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10 lb. boost, 5lb. bag

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Anybody know the inlet diameter on stock 1990 turbo housing?

I'm trying to make a home TID kit, but I need to know what size silicone hose to get. Looking at my existing TID, which is held together with tape, if I take it off, it's finished, so I can't get in there with a ruler. Anybody happen to know?
Old 09-02-02, 09:56 PM
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2-3/8 inches at the turbo 3 inches at the air intake end.
Old 09-03-02, 02:31 AM
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this might sound dumb, but what is a tid kit?
Old 09-03-02, 10:23 AM
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10 lb. boost, 5lb. bag

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Turbo Inlet Duct. The stupid double-bend accordion plastic thing that runs from the air flow meter to the turbo. I want to replace it with some nice smooth pipe.

2 3/8 inch huh? hmm. I wonder if I can get away with 2.5 inch and a tight clamp.
Old 09-03-02, 10:29 AM
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i dont see why not..just make sure theres no leak
Old 09-03-02, 01:54 PM
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I'm using a 2.5" silicone clamp now and it seems fine. if you're using home depot piping get the 2" one and it fits since it's 2" pipe ID, not OD.
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