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Metal Filler for Throttle Body?

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Old Jan 20, 2007 | 08:59 PM
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Default Metal Filler for Throttle Body?

What are you guys using for the metal filler when porting your TB?
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Old Jan 20, 2007 | 09:10 PM
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I used JB weld.

Many people will shun you away from using it because it can break apart/dislodge from your TB and wind up in your intake.
There's also no proven gain using the filler over not using the filler.
However, many people have been running it for years with no problems.
It should hold fine if it's applied correctly.
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Old Jan 21, 2007 | 12:36 AM
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yes, ive read about that. thanks for the post.

bump for the night shift.
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Old Jan 21, 2007 | 12:46 AM
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I have one that is not filled in and one that is epoxied. 6 of one half dozen another.
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Old Jan 21, 2007 | 08:29 AM
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I just did my first one with epoxy. I used sme super epoxy weld stuff and it's definitely not going anywhere. All I did was use my dremel to make some cuts and holes in that section and then the epoxy will take better hold in there. Don't know if it makes a difference but it does look better, which matters if I'm selling them.
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Old Jan 21, 2007 | 08:45 AM
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i hear a lot of ppl using epoxy. konw some ppl that are running ones filled wiht it, and have no problems
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Old Jan 21, 2007 | 01:37 PM
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thanks for the responses guys. I had both JB Weld and some seriuos epoxy stuff in my hands at HD yesterday but I wasn't sure.

Who else uses what?
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Old Jan 21, 2007 | 01:42 PM
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Well it's been dyno proven not to do a damn thing, and this could happen...

https://ls1tech.com/forums/generation-iii-external-engine/553507-don-t-ever-epoxy-throttle-body-iat-air-holes.html

....but proceed if you'd like!
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Old Jan 21, 2007 | 02:31 PM
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mine is filled in, hasn't gone anywhere in 2 years. You just have to scuff up the area, then hit it with some type of cleaner/degreaser before you use the epoxy.
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Old Jan 21, 2007 | 07:40 PM
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I know it's been proven to add little if any hp. But if you score the TB and clean it like Grimes and others have done, it should hold decently. I'm just curious what kind of stuff people are using.
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