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SVTPerformance's Chain of Restaurants
The Distillery
New e85 car voltage drop to 12v at 4500 rpm
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<blockquote data-quote="black03" data-source="post: 13046926" data-attributes="member: 4037"><p>Could you please link me to the "tons" of threads where people have issues with their fuel systems from us? I'm curious as we rarely here of issues with our systems. </p><p></p><p>Besides the occasional person whose tank is dented in, the wiring was done wrong or they didn't follow the instructions about the pump install height or hose routing our systems seem to work perfect for the majority. </p><p></p><p>We currently run our systems in 3 of our shop cars which support all the way up to 1150rwhp on E85. Cars which not only get driven on the street but get beat on at the track. My 03 Cobra even with the 400lph walbros in E85 safely supports 870+rwhp with the 105lb injectors. Again no issues at all. </p><p></p><p>It's a simple mechanical system. The pumps stay on at constant voltage and pressure gets regulated by the mechanical regulator. There's really not much more to it than that. </p><p></p><p>I can understand your frustrations as I've been there before on several of my cars. But there's obviously something wrong and there needs some trouble shooting to find out what the issue is. </p><p></p><p>Simply blaming it on the fuel system isn't going to get you closer to figuring it out. </p><p></p><p>My suggestions would be this. </p><p></p><p>Triple check that your pumps aren't bottomed out on the bottom of the tank. Even though you have them at the proper height I've seen over and over tanks which have been jacked up from the bottom and cause the tank to pinch the pre-filters. I've had customers swear to me in the beginning that the tank is not dented later to find out after looking closer that it was. </p><p></p><p>Wiring- Make sure all of your wiring is correct. If you're tapped into the wrong wire for triggering the relays your system will not function properly. </p><p></p><p>Hose routing- Can you post a picture of how the feed line, rails and regulator are setup?</p><p></p><p>Pumps- Make sure each pump is running. You can do this by removing the fuse or relay for each pump individually. </p><p></p><p>Vacuum line to regulator- Make sure that it's not damaged or has a leak. If that line has a hole in it or damaged the regulator won't hold pressure properly.</p><p></p><p>Tune- Has your tuner properly set your tune up for a return style fuel system? Who is actually tuning the car? Also, How are you reading fuel pressure? The mechanical gauge on the rail/regulator or are you reading it off the FRPS? </p><p></p><p>Those are the first things I'd check to trouble shoot an issue that you're having. </p><p></p><p>Jared</p></blockquote><p></p>
[QUOTE="black03, post: 13046926, member: 4037"] Could you please link me to the "tons" of threads where people have issues with their fuel systems from us? I'm curious as we rarely here of issues with our systems. Besides the occasional person whose tank is dented in, the wiring was done wrong or they didn't follow the instructions about the pump install height or hose routing our systems seem to work perfect for the majority. We currently run our systems in 3 of our shop cars which support all the way up to 1150rwhp on E85. Cars which not only get driven on the street but get beat on at the track. My 03 Cobra even with the 400lph walbros in E85 safely supports 870+rwhp with the 105lb injectors. Again no issues at all. It's a simple mechanical system. The pumps stay on at constant voltage and pressure gets regulated by the mechanical regulator. There's really not much more to it than that. I can understand your frustrations as I've been there before on several of my cars. But there's obviously something wrong and there needs some trouble shooting to find out what the issue is. Simply blaming it on the fuel system isn't going to get you closer to figuring it out. My suggestions would be this. Triple check that your pumps aren't bottomed out on the bottom of the tank. Even though you have them at the proper height I've seen over and over tanks which have been jacked up from the bottom and cause the tank to pinch the pre-filters. I've had customers swear to me in the beginning that the tank is not dented later to find out after looking closer that it was. Wiring- Make sure all of your wiring is correct. If you're tapped into the wrong wire for triggering the relays your system will not function properly. Hose routing- Can you post a picture of how the feed line, rails and regulator are setup? Pumps- Make sure each pump is running. You can do this by removing the fuse or relay for each pump individually. Vacuum line to regulator- Make sure that it's not damaged or has a leak. If that line has a hole in it or damaged the regulator won't hold pressure properly. Tune- Has your tuner properly set your tune up for a return style fuel system? Who is actually tuning the car? Also, How are you reading fuel pressure? The mechanical gauge on the rail/regulator or are you reading it off the FRPS? Those are the first things I'd check to trouble shoot an issue that you're having. Jared [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Distillery
New e85 car voltage drop to 12v at 4500 rpm
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