TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Where to be TBI injectors?

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Old Apr 25, 2005 | 01:07 PM
  #1  
Borsty's Avatar
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From: Eden, NY
Car: 89 Trans am
Engine: TBI 350 HO Vortec heads
Transmission: 700R4
Where to buy TBI injectors?

ive searched and cant find anything, where can i buy new TBI injectors preferably 65 lb hr or better.

thanks!

Last edited by Borsty; Apr 25, 2005 at 01:14 PM.
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Old Apr 25, 2005 | 01:24 PM
  #2  
Gunny Highway's Avatar
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From: The nation's capital
Car: 91 RS
Engine: 350 TBI
Transmission: 700R4
Ebay, autoparts store and http://www.turbocity.com

You'll pay out the *** for the 65#ers compared to others. I got mine on Ebay thankfully. I bought my 55'ers from Autozone.
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Old Apr 25, 2005 | 01:45 PM
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From: San Jose, CA
Car: 2002 Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.23
on cardomain it looks like your car is stock....i hope you dont think you can just buy bigger injectors and gain power, they will actually make the car run worse....just trying to look out. Also, stock 305 TBIs are 170HP/255ft-lbs
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Old Apr 25, 2005 | 03:31 PM
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From: wisconsin
gmpartsdirect.com

i have a used set of mismatched 65/66 from my crossfire laying around. working fine when i pulled them out. i also have a set of 45's(new) and an apprropriate spring. BUT i believe you need a TPI pump as they run 36 lbs(7.4L) FP.
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Old Apr 25, 2005 | 03:52 PM
  #5  
Borsty's Avatar
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From: Eden, NY
Car: 89 Trans am
Engine: TBI 350 HO Vortec heads
Transmission: 700R4
Originally posted by vjo90RS8
on cardomain it looks like your car is stock....i hope you dont think you can just buy bigger injectors and gain power, they will actually make the car run worse....just trying to look out. Also, stock 305 TBIs are 170HP/255ft-lbs

coughengineswapcough
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Old Apr 26, 2005 | 07:15 AM
  #6  
kdrolt's Avatar
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From: MA
Car: 93 GM300 platforms
Engine: LO3, LO5
Transmission: MD8 x2
See

http://www.directauto.com

then click on Electrical and Fuel; then choose Fuel Injectors; then choose Chevy Truck or Chevy car (depending on what you are looking for). I think the big block injectors (used on 7.4 liter TBI engines) are $36 each.
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Old Apr 26, 2005 | 09:58 AM
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cheap. GM? rebuilt?
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Old Apr 26, 2005 | 10:34 AM
  #8  
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Joined: Mar 2001
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From: MA
Car: 93 GM300 platforms
Engine: LO3, LO5
Transmission: MD8 x2
From the directauto web site:
Home > Repair and Replacement > Electrical and Fuel > Fuel Injectors() > CHEVY TRUCK > C-10 > C-10 1990 8cyl 7.4 LTR [454".N] TBI injection OEM # 17112249 Our # Fi24027TBi

C-10 1990 8cyl 7.4 LTR [454".N] TBI injection OEM # 17112249 Our # Fi24027TBi

Item #: 322a0599
$35.99


Complete rebuilt OEM injector with a lifetime replacement warranty. These units are sold on an exchange basis and a $35 refundable Core Deposit will be added to each injector after the order is placed.
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Old Apr 26, 2005 | 12:16 PM
  #9  
Borsty's Avatar
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From: Eden, NY
Car: 89 Trans am
Engine: TBI 350 HO Vortec heads
Transmission: 700R4
Originally posted by Ronny
cheap. GM? rebuilt?

its a tree fifty. and brand new. GMPP


thanks for the replies.
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