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gps_jetskier
Dodge Dakota
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6/27/2003
10:13:50
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 Subject: 4.7 Manifold after porting
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While porting the TB I noticed that there is a small little tab hanging down in the opening of the manifold. Looks like an edge gate for filling the part during the molding process that wasn't trimmed flush. Can anyone confirm this and if it's ok to trim this little guy flush? Or does it swirl air in some mysterious way....???
GPS_JETSKIER
01QC, 3"Body Lift, 285 BFG AT's
IAT adjuster, Powerslots/Hawk Pads, No 3rd Cat
Bored 68mm TB, SS Nerfs, Line-X
Custom Safari Rack & light Bar
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devstating02
Dodge Dakota
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6/27/2003
10:57:40
| RE: 4.7 Manifold after porting
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when i put on my f&b 70mm i noticed the tab you are talking about. With the new t-body the butterfly was scraping it a little so i broke out the dremel and removed it. I have had no problems from removing it.
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.alex.
Dodge Dakota
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6/27/2003
11:05:20
| RE: 4.7 Manifold after porting
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Almost all the F&B TB's will hit that little tab. It's in there to break up or cancel the "standing wave" that forms in the throat of the intake manifold. That wave is the harmonic that's responsible for everyone feeling vibration in the gas pedal. So, there's really nothing wrong with trimming it out. I did.
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gps_jetskier
Dodge Dakota
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6/27/2003
11:10:40
| RE: 4.7 Manifold after porting
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Hmm...ok...over my head, but out it comes....
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