Alternative Fuels Discussion and Tech on using alternatives such as E85 or Hydrogen or other fuels and/or supplements to Gasoline in Rotary Engines

Fuel pressure

Old 07-01-14, 11:21 AM
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Fuel pressure

Anyone have issues with dirt/rust in there tank clogging your fuel pump sock and fuel filter and making ur engine run really lean in boost? I took my car out the othere day and got in to boost and it was running lean and braking up. And i opened the hood an fuel pressure was a little low at idle. So I checked my fuel pump sock and fuel filter and both we're caked in rusty sludge **** from the tank so I cleaned all that **** out fired the car up and fuel pressure went back to normal at idle. Took it out and as soon as I got in to boost it ran really lean again. Opened the hood fuel pressure is a little low again and fuel pressure drops as I free rev the engine. So I checked everything again and the fuel pump sock wasn't really that dirty but the fuel filter was starting to sludge up again so I cleaned it again. And I cleaned all the loose dirt and rusty **** out of the sump area. Took the car out same thing fuel fuel pressure dropped a little and drops more as I free rev. Walbro 400 e85 pump, summit filter, ID 2000cc primary's Bosch 1700cc secondary's, and an aromotive fuel pressure regulator
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Old 07-01-14, 08:13 PM
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been running e85 in it?? the lake barrier inside the tank has been broken up and emulsified and the pump is dragging 25 yrs worth of rubble through

suggest a professional full tank clean

or a can of "fuel set" additive ( and a quick succession of filter changes )

and or parallel setup for the fuel filters
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Old 07-02-14, 02:10 AM
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AZ

This is definitely a problem but I believe it can be avoided. Before going E85 3 years back I did research on switching to E85. Not rotary related experiences but enthusiasts with highly modified cars switching from pump/race gas to E85. The consensus was:

      I have had great luck so far. The car has sat once the past year for over 3 months on the same tank of E85 and twice for over a month the past 3 years on the same tank with no issues at all.
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      Old 07-02-14, 11:00 AM
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      We'll I feel like it might be about time for a fuel cell.
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      Old 07-02-14, 11:12 AM
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      Does that sound like it's defiantly my fuel pressure problem though?
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