Changing injector size with HP Tuners
03-29-2008, 10:21 AM
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Changing injector size with HP Tuners I am just finishing up my heads and cam and need to know how to change in HP Tuners the stock injector size to 42lbs. Thanks
03-29-2008, 09:41 PM
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Be sure you know what the manufacturer's rating
pressure and your real fuel rail pressure are. You
may have some things to compensate for before
going and changing the value. There are some good
spreadsheets out there for it. The rating pressure
may be hard to dig up (or hard to get one single
straight answer; like the Ford SVO 30s, Ford says
40PSI but have seen many folks saying 3 bar (42ish).
Double check.
pressure and your real fuel rail pressure are. You
may have some things to compensate for before
going and changing the value. There are some good
spreadsheets out there for it. The rating pressure
may be hard to dig up (or hard to get one single
straight answer; like the Ford SVO 30s, Ford says
40PSI but have seen many folks saying 3 bar (42ish).
Double check.
