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At what point do I need a boost referenced fuel regulator?

Old 08-21-2009, 11:54 PM
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Default At what point do I need a boost referenced fuel regulator?

Running twin 255's stock feed and rail to 79lb injectors. 383 9.6:1 with a TC78 on the way. Do I need to do something with the regulator? Not sure on this one.
Old 08-22-2009, 01:14 AM
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What vehicle do you have? Is a return style or returnless? On my GTO I have a returnless system, so I was going to run a new 10AN feed line and use my stock feed line as the new return.
Old 08-22-2009, 01:39 AM
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01 ws6 383 stroker, tc78 turbo, forged bottom end.

Not sure on the lines other then they are stock..
Old 08-22-2009, 10:42 AM
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Essentially with 15# boost, you will lose approx 15% injector flow (assuming 58# base fuel preressre) if you do not boost reference. This can make you injector limited in some cases.

The best benefit of the front mount regulator is the pressure stability it offers. You will lose a lot of fuel pressure with a rear mount regulator in the 600+rwhp range, making the tune more erratic.

Let me know if I can be of help.


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