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Message: <blockquote data-quote="modo" data-source="post: 950783" data-attributes="member: 11716">if your blowing the stock fuse then you have a amperage draw issue... replacing it with a larger fuse will just cause you more issues (potential fire).all the s-trim kits came with a pusher pump on return style systems. it should be there honestly as it helps keep the fuel pressure up. fuel pressure gauge dropping off is the best way to know for sure and as long as the factory wiring has not been hacked up (something tapped into the fp circuit) i would say you have a fp issue due to the symptoms with the fuse. if you have access to a dyno and a clamp meter you can take amperage readings on the wiring while the car is running to see what is going on. its hard to diagnos while driving and if you are having a fuel delivery issue you don't want to hurt the motor etc etcif it was my car and funds were tight i would borrow a clamp meter and get readings on prime, and start the car. let the car heat up to temp and see what the amp readings look like. you should be able to get #s off of walbros site on what kind of draw the pump should be at. a clogged fuel filter will put more load on a pump but i doubt it would be enough to kill the fuse unless the sock in the tank is blocking the pickup etc. if it is the pump there are newer pumps that will not require the pusher style but that is your call.</blockquote>