exhaust bung question
04-03-2009, 07:35 PM
#1
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exhaust bung question
On my 99 4Runner, the previous owner installed an exhaust bung so that a wide band sensor meter could be installed to check the fuel mix for the supercharger.
It has an allen wrench style center plug, but what size is typical of the allen wrench bung plugs?
I have a 10mm allen socket in it, but it's not big enough. So since I have to go buy a little bit bigger allen socket, I wanted to ask what size it normally is before I head to the store.
I have a feeling I need to fine tune my fuel maps, but I need to get the bung plug out first.
Thanks,
Doug
It has an allen wrench style center plug, but what size is typical of the allen wrench bung plugs?
I have a 10mm allen socket in it, but it's not big enough. So since I have to go buy a little bit bigger allen socket, I wanted to ask what size it normally is before I head to the store.
I have a feeling I need to fine tune my fuel maps, but I need to get the bung plug out first.
Thanks,
Doug
04-03-2009, 11:38 PM
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Seems like there's not many people here with threaded bungs welded to their exhaust pipes.... wish i had one though!
way easier to just take your truck down to the parts store like napa & get the correct metric allen tool you need.
Mike
way easier to just take your truck down to the parts store like napa & get the correct metric allen tool you need.
Mike
Last edited by KONASTAR; 04-03-2009 at 11:40 PM.
04-06-2009, 07:51 PM
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On my 99 4Runner, the previous owner installed an exhaust bung so that a wide band sensor meter could be installed to check the fuel mix for the supercharger.
It has an allen wrench style center plug, but what size is typical of the allen wrench bung plugs?
I have a 10mm allen socket in it, but it's not big enough. So since I have to go buy a little bit bigger allen socket, I wanted to ask what size it normally is before I head to the store.
I have a feeling I need to fine tune my fuel maps, but I need to get the bung plug out first.
Thanks,
Doug
It has an allen wrench style center plug, but what size is typical of the allen wrench bung plugs?
I have a 10mm allen socket in it, but it's not big enough. So since I have to go buy a little bit bigger allen socket, I wanted to ask what size it normally is before I head to the store.
I have a feeling I need to fine tune my fuel maps, but I need to get the bung plug out first.
Thanks,
Doug
But to answer your question, just buy a 02 sensor bung plug (sounds funny) from either www.atpturbo.com or www.treadstoneperformance.com - they are all one size - otherwise you might find it hard to find the correct fit since the bungs and plugs are made to go together.
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