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#11 (permalink)

06-24-2016, 08:18 AM

Texasdoc

CC Member

Join Date: Feb 2012

Location: Keller, TX

Cobra Make, Engine: Lonestar Classics LS427. Self-built 408W, AFR 195 heads, Performer RPM Intake, Quick Fuel 750, 407rwhp, 479rwtq

Posts: 549

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Yes. And the fuel bowls are still full - at least the secondary bowl is. Is that enough to cause the stumble? Does it need 6.5 the whole time? I don't want to go thru and replace the entire fuel system (again) and have it still have the problem.

Is fuel pressure dropping from 6.5 to 4 enough to cause a problem if the bowl is still full?

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