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Can a Ford 19lb injector flow the same as a GM 22lb injector....

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Old Feb 3, 2002 | 11:20 PM
  #1  
Slow89Iroc-Z's Avatar
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From: Oswego, IL
Car: 1989 Iroc-Z
Engine: 350ci SBC
Transmission: 700R4
Can a Ford 19lb injector flow the same as a GM 22lb injector....

with the Ford injector running at a higher pressure? Like around 46 or so???? I will be using them in an 1989 L98 350 Camaro. I cant find any reasonally prices 22lb injectors......the cheap accel's go from 21 and skip 22 and go to 23

Last edited by Slow89Iroc-Z; Feb 3, 2002 at 11:22 PM.
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Old Feb 4, 2002 | 09:41 AM
  #2  
IROC315's Avatar
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From: Hurricane, WV
Car: 01 Z28 and 89 Iroc
Engine: ls1 fti 3600,S60 w/3:73 gears
Transmission: A4
Axle/Gears: 3:23
I think someone on here said they flow the same or a little more than a 22#. I am replacing mine with them.

Someone back me up on this.
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Old Feb 4, 2002 | 11:45 AM
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a73camaro's Avatar
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From: Denver, CO
New flow = Old flow * (New pressure / Old pressure)^0.5

That is the new flow is equal to the old flow times the square root of the new pressure to old pressure ratio.

Say I double the pressure, (60 psi/30psi)^0.5 or 2^0.5, I will only increase flow by 41%
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