Injector size calculations - Page 2 - Third Generation F-Body Message Boards

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Injector size calculations

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Old 06-12-2018, 04:39 PM
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Re: Injector size calculations

Originally Posted by 5Camaros View Post
What would the original pressure rating for the fuel injectors on a stock 1991 Z28 5.0L
I have to replace the injectors - being told they should be around 44psi
Correct. 40-44 psi with the key on and the engine not running is roughly where you want to be. If you're using injectors rated the same as the originals (19# @43.5psi), not changing the regulator and the pump is good then you'll see that number.
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