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Power Strokes
7.3 Aftermarket
fuel system questions
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[QUOTE="psduser1, post: 95093, member: 735"] Ok guys I've got a couple of questions. I've read pages and pages of other peoples setups, and talked to some different vendors, etc. Overwhelming opinion is that a rr through the heads is the "best" setup for consistent, reliable performance. Having said that, there seems to be a lot of different thoughts on pumps and fuel cooling. Some guys like one big pump (read Fuelab), some guys like a couple of Airtexs, still other guys have a bigger and a smaller pump in series, Cummins style. Personally, I like two pumps in parallel for simplicity's sake. My question is where can I find flow info on a stock fuel pump- airtex, carter, bosch, no name, whatever. Any thoughts in reliability, noise, performance. Fwiw, the airtex, carter etc. pumps run approximately $175-200, the Bosch (oe replacements ) run roughly double, comparble(?) to a Fuelab. I have looked at the Fl and understand what they are selling, I just don't like the pricetag for a dual system setup, which is what I'm after. Thoughts? The second half of my question is fuel cooling on the return to the tank. I am convinced there are benefits, however I would like to be able to be able to have some at least rough calculatios to prove or disprove this. Also how much cooler is needed to maintain effective cooling on say, 85 degree days, for a starting point. There is a wide range of coolers out there, from $29 jegs to $500 plate and fin hydraulic coolers. I'm guessing that I'm going to be at the lower end of that range, but I have no supporting evidence. Any thoughts on these questions would be appreciated, and big thanks to Tarm and Treetrimmer for their writeups, they are a big help for us less knowledgeable guys! I'm looking to support max roughly 500-550 HP, towing heavy at closer to 300-350 HP range, often long distances. [/QUOTE]
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