LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

how do i port my throttle body?

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Old Apr 14, 2003 | 12:04 AM
  #1  
mickeyiz28's Avatar
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Joined: Jan 2003
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From: richmond ky
how do i port my throttle body?

Can anyone give me some instructions on how to port my throttle body and will this give me any more h.p.?
Old Apr 14, 2003 | 12:32 AM
  #2  
Euclid's Avatar
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From: UT @ Austin
it'll give you 30-45hp at the wheels...

just take a dremel tool or some sand paper and start grinding away those plates. You want them completely gone, except for the rod in the center.
Old Apr 14, 2003 | 01:20 AM
  #3  
95CamaroZ-28's Avatar
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From: Maryville, TN
You cannot port your own throttle body unless you have access to something that will cut the openings evenly, as well as being able to purchase larger butterflies for it. You'll have to either buy a larger TB made by a company (such as BBK, Holley, or AS&M), or find someone that can port your stock one (NOMAD on the board).

BTW, SLP doesn't offer LTs for a LT1. So, if you have SLP headers, they are shorties.
Old Apr 14, 2003 | 02:27 AM
  #4  
GeneralZ's Avatar
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From: Iowa--The meth capital of the world
Originally posted by Euclid
it'll give you 30-45hp at the wheels...

just take a dremel tool or some sand paper and start grinding away those plates. You want them completely gone, except for the rod in the center.
Dude...I know you were joking...but at least tell the guy posting the question that you were not serious. This section is for people to help out other people with their cars, not smart @$$es.
Old Apr 14, 2003 | 05:04 AM
  #5  
Severous01's Avatar
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From: Burlington, NJ
you cant port the thing without professoinal equipment, but you can polish it and get an airfoil.
Old Apr 14, 2003 | 07:10 AM
  #6  
teke184's Avatar
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From: US 1 Mile Marker 52 in the Florida Keys
on a fairly stock or even bolt on engine, a larger tb, say 52mm (48mm is stock) will only gain you about 5hp if even that.

some guys claim 0 increase or even loses, but in theory a slightly larger tb should help out, how much is the arguable part.

so for now, you don't need one. although an airfoil would gain you maybe 2-3 hp and they are relatively inexpensive and easy to install.

spend your $$ elsewhere. but if you REALLY want to have a ported tb...contact NOMAD...i think it's $160 after core charge.
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