TB porting Pics
What is that hole right at the top of the throttle body for? I saw it the other day and I couldnt remember what it went to on the car and the car and the throttlebody are about 5 miles apart right now so I cant run out and check.
Originally posted by pip
What is that hole right at the top of the throttle body for? I saw it the other day and I couldnt remember what it went to on the car and the car and the throttlebody are about 5 miles apart right now so I cant run out and check.
What is that hole right at the top of the throttle body for? I saw it the other day and I couldnt remember what it went to on the car and the car and the throttlebody are about 5 miles apart right now so I cant run out and check.
Yup hole on the top is for idle adjustment, the hole from the throttle plates are filled with a metal putty type stuff from the auto parts store says its for intake manifolds and stuff. I installed it and love it i feel a good gain from 5500 to redline (7k since i'm S4). But that along with the posi i just installed should put me in mid 14s once i get on the dyno and get my safc tuned
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It's looking good. Just do yourself a favor and drill/tap/screw plug those holes where the secondary plates were. #1 JB weld looks un-professional #2 JB weld getting sucked into the motor = teh bad 
- Dana

- Dana
Next i think i'll try to port the exhuast manifold, Has anyone ever tried this? I don't want to buy a header since i plan on a turbo in about a month.
Yeah i think i will tap those hole and bolt em but the jb weld type stuff i used doesn't look bad at all i sande it smooth and it looks ok and i left like a mushroom on top to keep it from being inhaled
Yeah i think i will tap those hole and bolt em but the jb weld type stuff i used doesn't look bad at all i sande it smooth and it looks ok and i left like a mushroom on top to keep it from being inhaled
Originally posted by totallimmortal
Yup hole on the top is for idle adjustment, the hole from the throttle plates are filled with a metal putty type stuff from the auto parts store says its for intake manifolds and stuff. I installed it and love it i feel a good gain from 5500 to redline (7k since i'm S4). But that along with the posi i just installed should put me in mid 14s once i get on the dyno and get my safc tuned
Yup hole on the top is for idle adjustment, the hole from the throttle plates are filled with a metal putty type stuff from the auto parts store says its for intake manifolds and stuff. I installed it and love it i feel a good gain from 5500 to redline (7k since i'm S4). But that along with the posi i just installed should put me in mid 14s once i get on the dyno and get my safc tuned
i mushroomed the top so its too large to be sucked in, but i pan on tapping and puting bolts in the hole since they don't feel like they will withstand boost without blowing out
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whizzybang
Naturally Aspirated Performance Forum
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Feb 10, 2017 12:08 PM



