3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

1989 Iroc Z 5.7 Automatic

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Old Jul 11, 2007 | 01:22 PM
  #1  
TFERGUS1's Avatar
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Unhappy 1989 Iroc Z 5.7 Automatic

I Need Injectors For My Car
Should I Clean Mine That All 8 Are Leaking And Have 200,000 Miles On Or Replace
And If Replace, With What?
Old Jul 11, 2007 | 01:42 PM
  #2  
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Originally Posted by TFERGUS1
I Need Injectors For My Car
Should I Clean Mine That All 8 Are Leaking And Have 200,000 Miles On Or Replace
And If Replace, With What?
What are your future plans for the car? Can you adjust the tune to compensate for larger injectors? How tight is your budget?
Old Jul 11, 2007 | 01:49 PM
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From: orland park, IL
ford 24lb ones are a popular swap
Old Jul 11, 2007 | 04:22 PM
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Injectors

I'd get the SVO #30s since the price difference between
24 and 30s isn't that much more.

Would reguire a programming change in the chip but
would have you covered injector wise to some serious
HP in the future if you go that route

JMHO

Later
Old Jul 12, 2007 | 08:24 AM
  #5  
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I Plan On Selling It To Help Fix Up My 68 Camaro
Old Jul 12, 2007 | 12:14 PM
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Then I would look around the for sale boards on here and thridgen.org to find a good set of used stock injectors.
Old Jul 13, 2007 | 08:20 AM
  #7  
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Thank You
Old Jul 13, 2007 | 03:43 PM
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jaykar's Avatar
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Injectors

By the way, I have a set of injectors that came out that came out of my old 350TPI. #30,480 miles on them. Went
to #30s on new motor.

Later
Old Jul 18, 2007 | 11:33 PM
  #9  
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30# injectors are going to make you run rich, especially on a 200K mile setup. Even 24# injectors are going to make you run rich compared to the stock 22's. Be careful, going bigger isn't always better. You'll need a tune to keep those bigger injectors in check.

Will
Old Jul 19, 2007 | 01:16 PM
  #10  
jaykar's Avatar
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From: Prescott valley, AZ
Injectors

Agree on the #22s and no chip change on 200K motor
and not modded. Not pushing duty cycle.

Would only go larger if planning to refresh motor and
modding (heads,intake,cam,exhaust,ect.ect.

If planning to buy new injectors, would go larger and save
$$ down the line if was the case. Then would have to chip
for the larger injectors.

Later
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