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

gp sorenson tbi injectors?

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Old Nov 29, 2005 | 11:47 PM
  #1  
z71stroker's Avatar
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From: south texas
Engine: 355 6"rod tbi - in the works
Transmission: 4L60E
gp sorenson tbi injectors?

I already ran a search, couldn't find much.

Are GP Sorenson tbi injectors any different than OE GM tbi injectors? they look new. Do they hold up to high fuel pressure fine? I can get two 17113080's for $90 at advance, which are out of a 94-95 454 tbi truck, so I assume they are 80lb'ers?
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Old Nov 30, 2005 | 12:06 PM
  #2  
KintaroOe's Avatar
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From: Abilene, TX
Car: '91 bird '87 Z28 '86 T/A
Engine: LO3 LG4(ls1 in works) 350
Transmission: 700R in all
Axle/Gears: wimpy 10 bolts
they should hold up just like the originals, but im sure it will have a shorter life span. OE aftermarket isnt always as good as the real deal. you also need to look at the fact that they might not be a matched set for fuel flow.
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Old Nov 30, 2005 | 12:24 PM
  #3  
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From: Chasing Electrons
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Re: gp sorenson tbi injectors?

Originally posted by z71stroker
I already ran a search, couldn't find much.

Are GP Sorenson tbi injectors any different than OE GM tbi injectors? they look new. Do they hold up to high fuel pressure fine? I can get two 17113080's for $90 at advance, which are out of a 94-95 454 tbi truck, so I assume they are 80lb'ers?
Most likely those are 46 #/hr at 13 psi fuel pressure. The '94 & '95 MY ran the fuel pressure at 30 psi to get the required flow (70#/hr).

RBob.
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