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19lb injectors on an L98

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Old Jan 24, 2006 | 02:30 PM
  #1  
palric's Avatar
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From: British Columbia
Car: 90 IROC 5.7 hardtop
Engine: L98
Transmission: T5 swap
Axle/Gears: Yup -- they still work
19lb injectors on an L98

Has anyone used Ford 19lb injectors of an L98/350?

Do they work or not enough fuel pressure?

Its for a 1990 IROC the original 22lb'ers are toast I tried 24s but I think they are giving some trouble.

I found a new set of Ford 19s cheap so figure I might try them?

thx
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Old Jan 24, 2006 | 03:30 PM
  #2  
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doc
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From: Mims, Florida
Car: '87 IROCZ
Engine: 395 ZZ4
Transmission: ProBuilt 700R4
Axle/Gears: 9 bolt 3.70s
If you run them at 54 to 56 psi fuel pressure, they will flow nearly the same as GMs 22s. The ECM should not have a problem with this setup.
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Old Jan 25, 2006 | 01:57 PM
  #3  
D's89IROCZ's Avatar
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From: Ontario, Canada
Car: 1989 IROC-Z
Engine: 5.7L EFI LTR setup
Transmission: T-5 World Class
Originally posted by doc
If you run them at 54 to 56 psi fuel pressure, they will flow nearly the same as GMs 22s. The ECM should not have a problem with this setup.
What abotu the STOCK fuel pump , will it like that high of PSI ?
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Old Jan 25, 2006 | 02:30 PM
  #4  
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From: Bakersfield, under a ton of dust...
Car: A few
Engine: All Eights
Transmission: All kinds
Hey.

Our L98 still has 19s in it from before the death of its transmission. We ran 48psi on a new Holley 255lph pump and there wasn't a hiccup. The mods: AFPR, the aforementioned pump and injectors, upgraded coil/cap/rotor, and a 3" catback.

FWIW it knocked down nearly 28mpg on a Tahoe trip and never missed a beat with the F0rd injectors in it. HTH

K
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