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General Discussion
50 vs 40 psi? Does it matter
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<blockquote data-quote="d_daffron" data-source="post: 529519" data-attributes="member: 4983"><p>If you're set on keeping the 50 psi regulator/filter setup and you don't have the ability to tune the computer you could change out the injectors to a smaller lb/hr injector. There are quite a few fuel injector flow rate caluclators on the internet that could help you out. </p><p>For example say your engine has an injector that flows 24lb/hr at 40psi it will flow 27 lb/hr at the 50psi youre running. To get back to the 24 lb/hr flow rate your engine was designed for you could change the 24 lb/hr at 40 psi injectors out for injectors that are rated for 20 lb/hr at 40 psi and run them at 50 psi which would give you 24 lb/hr flow your engine and ecm were designed for while running at the 50psi fuel pressure your regulator puts out.</p></blockquote><p></p>
[QUOTE="d_daffron, post: 529519, member: 4983"] If you're set on keeping the 50 psi regulator/filter setup and you don't have the ability to tune the computer you could change out the injectors to a smaller lb/hr injector. There are quite a few fuel injector flow rate caluclators on the internet that could help you out. For example say your engine has an injector that flows 24lb/hr at 40psi it will flow 27 lb/hr at the 50psi youre running. To get back to the 24 lb/hr flow rate your engine was designed for you could change the 24 lb/hr at 40 psi injectors out for injectors that are rated for 20 lb/hr at 40 psi and run them at 50 psi which would give you 24 lb/hr flow your engine and ecm were designed for while running at the 50psi fuel pressure your regulator puts out. [/QUOTE]
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50 vs 40 psi? Does it matter
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