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TBI throttle blade screw size

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Old Dec 23, 2011 | 06:31 PM
  #1  
SinthetikIroc's Avatar
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From: Haverhill, Ma
Car: Corvette
Engine: 5.7
Transmission: 700R4
TBI throttle blade screw size

So while disassembling my tbi to clean it and do the ultimate mods etc I broke the screws holding the throttle blades in. I did grind the backs off them but they still broke anyways. None the less I removed them without having to drill the holes out larger, so this leads me to my question, what size are these things? Should I find them the stock size or drill and tap it for something else. Keeping in mind I would also have to buy the tap if I go that route.
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Old Dec 24, 2011 | 07:07 PM
  #2  
zenish's Avatar
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Joined: Dec 2000
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From: stallings,n.c.
Car: 1989 camaro rs convertable
Engine: 305 tbi
Transmission: 700r4
Axle/Gears: 7.5"3.42 gears forth gen 2000 camar
Re: TBI throttle blade screw size

take the throttle shaft with you to the hardware store and find screws that fit.
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Old Dec 24, 2011 | 08:45 PM
  #3  
SinthetikIroc's Avatar
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From: Haverhill, Ma
Car: Corvette
Engine: 5.7
Transmission: 700R4
Re: TBI throttle blade screw size

The store near me doesnt have anything that small was trying to avoid driving all over the earth to find some. Will probably just retap it i guess
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Old Dec 25, 2011 | 01:34 AM
  #4  
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From: OC CA
Car: 75 Beast
Engine: 383 +EBL Flash
Transmission: 700R4
Axle/Gears: 4.11 with 33"
Re: TBI throttle blade screw size

IRC the four screws are M2.5 X 0.45 X 8 mm

Grainger Item # 6EB95
Skt Cap SCR,BTN,M2.5x0.45x12,Pk10
Socket Head Cap Screw, Button Head Style, 10.9 Steel, Furnace Black Finish, Hex Socket, Thread Size M2.5X0.45mm,
These can be had from Grainger

//RF
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Old Dec 25, 2011 | 03:36 PM
  #5  
SinthetikIroc's Avatar
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From: Haverhill, Ma
Car: Corvette
Engine: 5.7
Transmission: 700R4
Re: TBI throttle blade screw size

You my friend are awesome, there is a grainger 3 blocks from my house and they have those in stock there. I was unaware that that place was there. saves me time and money thanks
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