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Old 02-22-2017, 07:19 PM   #1
LSSierra
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Join Date: Feb 2017
Location: Jacksonville, NC
Posts: 29
Fuel Switching valve???

So after reading multiple threads about using the High PSI fuel switching valve for my duel tank LS Swap, apparently JC Whitney doesn't carry part number ZX812705U anymore. And I can't seem to order it from Pollak direct. Anyone help a brother out here?

Do I get the 3 valve or the 6 valve? Motorized? Most importantly, where do I get this nowadays?
I'm swapping into an 87 Sierra, using all the suggested pumps etc and trying to keep the dual tank setup so I need the switching valve to handle the higher PSI.
Thanks in advance!!
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Old 02-22-2017, 07:54 PM   #2
SC_Titan
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Location: Boiling Springs, SC
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Re: Fuel Switching valve???

Pretty sure you need the 6 for efi. Seems like a member on here sells the correct valve and upgraded wiring as a kit. Gmachinez or something like that.
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Old 02-23-2017, 12:20 AM   #3
El Dorado Jim
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Location: El Dorado Ca
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Re: Fuel Switching valve???

autozone has the valves
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Old 02-23-2017, 01:59 AM   #4
gmachinz
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Location: Des Moines, IA.
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Re: Fuel Switching valve???

Yep-I have them in stock....NEW 65 psi 6-port valves for use with EFI swaps-$75 shipped for the valve in the US!
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Old 02-23-2017, 02:40 AM   #5
gmachinz
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Re: Fuel Switching valve???

Here's a complete LSx/EFI swap harness for dual tanks and a 65 psi valve, which is included here. $309 for everything you see. Not pictured but included is the correct on/on rocker switch for the selector switch on the dash.
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Old 02-23-2017, 07:57 AM   #6
LSSierra
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Re: Fuel Switching valve???

Gmachinz - PM sent. Thanks all.
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Old 02-23-2017, 12:57 PM   #7
kdh454
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Location: Allen, TX
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Re: Fuel Switching valve???

Just in case it helps anyone, most, if not all, late style 3 port valves are simply 6 port valves with 3 ports plugged. When I ordered mine, the 3 port was significantly cheaper and all I had to do was remove the three caps to make it a 6 port valve.
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