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Join Date: Sep 2020
Location: Chicago, IL.
Posts: 1,909
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Check the injector’s required pressure as too high of a pressure can also cause increased stress and wear on the injectors, seals, etc which can cause premature failure.

Also, if the pressure is too high (above 55-60) or too low (below 30-35) the spray pattern may be compromised.

As always, it’s injector specific as some are rated for high psi (up to 100psi) but most are not.


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1977 911 S: Backdate, EFI/ITB, AC project in the works:
http://forums.pelicanparts.com/porsche-911-technical-forum/1106768-when-well-enough-cant-left-alone-backdate-efi-itb-ac-more.html
Old 06-26-2025, 06:48 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #408 (permalink)