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SVTPerformance's Chain of Restaurants
The Distillery
limit of dual aem 320's w/ e85?
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<blockquote data-quote="JeremyH" data-source="post: 14635859" data-attributes="member: 160292"><p>In the end it all depends on pressure output of the pump/boost level, wire size any pprv, feed line or filter restrictions. Thicker wiring will drop amp pull and reduced heat helping flow. Keep in mind these pump can see a 20-25% reduction in flow when overheated just like a 255 pump. E85 helps keep the pumps a little cooler but adequate wiring is the key and best foundation to start from.</p><p></p><p></p><p>I have seen them pop a 30amp fuse, dual pump setup without upgraded wiring. Where as a 255 only draws 8-10amps. Your oem fpdm goes into thermal shutdown at 20amps and a 3v fpdm has a 30amp thermal shutdown rating. So will absolutely need two fpdms obviously. A simple wire upgrade through out the system will drop amp pull of the pumps and increase capacity. My aem-e 320 is running on a 10amp fuse. 6awg power and ground to the controller and 10awg power and ground from controller all the way to the pump. That's a significant drop in current pull 6amps+. These wiring upgrades also drop fuel pump duty cycle in a returnless setup 10-20%. I have seen a fuel line upgrade, stock line replaced with 8an line fore fuel filter and pprv delete on the hat drop duty cycle 26% on an e85 returnless setup as well so that's also part of the equation.</p></blockquote><p></p>
[QUOTE="JeremyH, post: 14635859, member: 160292"] In the end it all depends on pressure output of the pump/boost level, wire size any pprv, feed line or filter restrictions. Thicker wiring will drop amp pull and reduced heat helping flow. Keep in mind these pump can see a 20-25% reduction in flow when overheated just like a 255 pump. E85 helps keep the pumps a little cooler but adequate wiring is the key and best foundation to start from. I have seen them pop a 30amp fuse, dual pump setup without upgraded wiring. Where as a 255 only draws 8-10amps. Your oem fpdm goes into thermal shutdown at 20amps and a 3v fpdm has a 30amp thermal shutdown rating. So will absolutely need two fpdms obviously. A simple wire upgrade through out the system will drop amp pull of the pumps and increase capacity. My aem-e 320 is running on a 10amp fuse. 6awg power and ground to the controller and 10awg power and ground from controller all the way to the pump. That's a significant drop in current pull 6amps+. These wiring upgrades also drop fuel pump duty cycle in a returnless setup 10-20%. I have seen a fuel line upgrade, stock line replaced with 8an line fore fuel filter and pprv delete on the hat drop duty cycle 26% on an e85 returnless setup as well so that's also part of the equation. [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Distillery
limit of dual aem 320's w/ e85?
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