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Old 07-09-2003, 08:46 PM   #1
Cosmo
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Default What size restrictor does the 3/16" mod replace?

I'm getting ready to get my UTEC, and from what I've read, the 3/16 mod effects how the UTEC and ABC work, and you need to go back to the stock restrictor. Well, I don't have it any more, so I'm going to buy one of the appropriate size. Anyone know what size it was?
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Old 07-09-2003, 09:02 PM   #2
bunot
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lol...i have the same problem you have. i just bought the orifice, which someone told me is the part for boost restriction. funny thing is, i have it in my hand, and it doesn't look familiar. this one is a small brass part, the restrictor that i remember was connected to 2 different size hoses. maybe my memory is hazy.

anyways, i will put this in later and let you know if my ABC works.

jason
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Old 07-09-2003, 09:39 PM   #3
wrx320
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I think the stock, double ended connector, is 1/8" but I am unsure. It may be metric. The brass restrictor gets pushed into the hose that goes from the TEE to the compressor nipple. Order the part (double ender)from subaru as it is only about 2 bux and then you will for sure have the right piece. Part #22315aa010 $1.26
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Old 07-10-2003, 06:28 AM   #4
GravelRash
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The ID is quite a bit smaller than 1/8 actually.

If you can't get the stock part I can dig up my notes - or just measure mine again - easily. Let me know if you need the info...
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Old 07-10-2003, 03:50 PM   #5
Cosmo
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Yeah, if you can measure yours that would be great. That way I can just go pick one up somewhere.
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Old 08-06-2003, 08:53 PM   #6
GravelRash
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Oops...got distracted... But another member reminded me, and
in thinking about it I realized I'd posted it way back when, about halfway down page 8 in this thread; how convenient!

The stock restrictor is .081" ID. (Another thread quoted .079"; not significant diff.) Hope this helps.
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