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Discussion Starter · #1 ·
im told i have a bad injector on my 99 sho and the mech. said they are no longer made or reman. no i have found plenty of them on the net but i was wonderingif it was possibal to repace them with a larger injector like out of a 4.6 mustang. and also what is the psi of a stock sho injector
 

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Yes, you can replace them with a larger injector, but you will also have to reprogram the computer to match. The PSI of the new injector will be the same as the old one, PSI is governed by the fuel pressure regulator, not the injectors. The flow rating of the injectors will be different.

Unless you are going to run forced induction, a larger injector will gain you nothing, and may even result in poor idle.
 

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The SHO injectors are unique. I have a set of rebuilt flow matched ones with documentation from my '97. Never installed.
 
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