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Discussion Starter · #1 ·
I need to know the exterior diameter of the IAC tube on the UIM. Can someone PLEASE measure this ASAP since I need to order a silicone tube with this as the ID. I have already placed an order today and need to append it ASAP before they ship my order. Thanks!

The silver tube on the right:

 

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0.76 in / 19.7 mm
did it with calipers so that is about as accurate is I could get.
 

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A 19mm hose will fit tight enough that it won't require a clamp.

And as an added bonus... a 13mm hose will fit the valve cover vents tight enough for no clamp, but will require a reducer for the intake pipe... or a custom pipe. :)
 

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Discussion Starter · #7 ·
OT, but what is that mounted to the EGR port on that UIM?
It's a 5-port vacuum manifold. I have 2 of the 5 ports blocked off.

1 port is for my Boost Gauge
1 port is for my BOV
1 I need to bockoff because I only need these 2 ports
 
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