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SVTPerformance's Chain of Restaurants
The Distillery
fuel pressure dropping
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<blockquote data-quote="ruiz83" data-source="post: 15460232" data-attributes="member: 173945"><p><strong><span style="font-size: 10px"><span style="font-size: 12px"></span></span></strong>so i took my car to get dyne tuned, they called me and said i didn't have enough fuel :shrug: on the dyno the pressure would start at 60psi at 3k-ish then drop while rpm's were climbing ( 4k 50psi, 5k 40psi and 6k-sih 30psi). i could actually hear where the engine was struggling to climb rpm. i have stock fuel rails that are hooked up to a fore innovation pressure regulator and fore innovation fuel hat. i would think this is enough fuel, the tuner told me that it could be my fuel rails or a bad pump....im leaning towards a bad pump.</p><p></p><p>here is my question, how much fuel pressure will the stock 03 cobra fuel rails hold before needing aftermarket fuel rails? how can i test the flow on a fuel pump?</p><p></p><p>- e85 fuel</p><p>- 2 walbro 450lpm pump</p><p>- kb boost a pump</p><p>- ported eaton</p><p>- 2.76/4lb lower</p><p>- 80lb injectors </p><p>- sct ba2600</p><p>- accufab plenum and tb</p><p></p><p>thanks in advance</p></blockquote><p></p>
[QUOTE="ruiz83, post: 15460232, member: 173945"] [B][SIZE=2][SIZE=3][/SIZE][/SIZE][/B]so i took my car to get dyne tuned, they called me and said i didn't have enough fuel :shrug: on the dyno the pressure would start at 60psi at 3k-ish then drop while rpm's were climbing ( 4k 50psi, 5k 40psi and 6k-sih 30psi). i could actually hear where the engine was struggling to climb rpm. i have stock fuel rails that are hooked up to a fore innovation pressure regulator and fore innovation fuel hat. i would think this is enough fuel, the tuner told me that it could be my fuel rails or a bad pump....im leaning towards a bad pump. here is my question, how much fuel pressure will the stock 03 cobra fuel rails hold before needing aftermarket fuel rails? how can i test the flow on a fuel pump? - e85 fuel - 2 walbro 450lpm pump - kb boost a pump - ported eaton - 2.76/4lb lower - 80lb injectors - sct ba2600 - accufab plenum and tb thanks in advance [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Distillery
fuel pressure dropping
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