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| Forum name | Turbo/Nitrous Tech |
| Topic subject | back firing at high RPM |
| Topic URL | https://forums.2gnt.com/dcboard.php?az=show_topic&forum=i8&topic_id=75504 |
75504, back firing at high RPM
Posted by Eklypz420, Aug-26-04 12:17 PM
Hey I just dropped in a freshly rebuilt stock engine into my GS. I have the Star Stage 1. currently im running 5 PSi. When my RPM's get to about 5 I get a back fire. Could this because I need to upgrade my fuel pump? Or Injectors? Any and all help is appreciated. Thanks guys
Jim
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75508, RE: back firing at high RPM
Posted by MR BLUNT 2gnt, Aug-26-04 01:04 PM
What kind of egts do you see with this setup? Have you done a boost leak test? Are you on stock injectors? You have the 255 fuel pump, what fuel pressure are you running with this?
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75516, RE: back firing at high RPM
Posted by babybeclipse, Aug-26-04 06:27 PM
what do you have for a fuel system? What fuel pressures are you running?
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