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by nine76chris
Wed Sep 14, 2011 6:07 pm
Forum: Injectors, Fuel & Air Supply
Topic: Where is my fuel pressure going?
Replies: 6
Views: 637

Where is my fuel pressure going?

While troubleshooting hard starting I noticed that my fuel pressure drops pretty fast after the initial fuel pump prime(before cranking)...from 40psi to 10 psi in 5 seconds. Is normal?
I have this pump...
http://www.summitracing.com/parts/SUM-G3138/

With this regulator (gauge installed on it ...