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Throttle Body

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Old Jul 7, 2005 | 01:43 AM
  #1  
transamice's Avatar
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From: Hamilton ON Canada
Car: 87 GTA t-top
Engine: L98 350 w/RMT
Transmission: 700R4
Axle/Gears: 9 bolt BW 3.45
Throttle Body

Was just curious what size is the throttle body for TPI, is stock 48mm or 52mm?
Is anyone here using the air foil on their throttle? If you are does it really make a difference?
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Old Jul 7, 2005 | 05:35 AM
  #2  
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Daz
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Car: 87 Camaro
Engine: Chevy V8
Transmission: auto
48mm..and no you cant feel the difference with the airfoil.ITs not hard mod the TB to a 52mm though
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Old Jul 7, 2005 | 09:19 AM
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transamice's Avatar
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From: Hamilton ON Canada
Car: 87 GTA t-top
Engine: L98 350 w/RMT
Transmission: 700R4
Axle/Gears: 9 bolt BW 3.45
OH?
What needs to be done to make it bigger?
Any little mod would be good unless it didnt make a difference.
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Old Jul 7, 2005 | 10:21 AM
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Daz
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Car: 87 Camaro
Engine: Chevy V8
Transmission: auto
Originally posted by transamice
OH?
What needs to be done to make it bigger?
Any little mod would be good unless it didnt make a difference.
bore it bigger and put new throttle blades.Carb shops can easilly do it for a lot less than getting a 52mm TB

And unless youre making a lot more power than stock then I think you dont need it
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Old Jul 7, 2005 | 04:53 PM
  #5  
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From: Ajax, ON
Car: 85Z28 87GTA 91GTA 98SS
Engine: SBC, LS-x
Transmission: T-5, 700-R4, T-56
Originally posted by Daz

unless youre making a lot more power than stock then I think you dont need it
That is solid advice. Some of the best I've seen on this fourm yet.
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