5.3 swap in K5, need new fuel tank for 2003 fuel evap system - The 1947 - Present Chevrolet & GMC Truck Message Board Network

93FatBottom · 11-13-2014, 06:45 PM

I'm planning my smog-legal 2003 5.3 swap into a 79 K5 Blazer, and in California I have to utilize the fuel evap system from the 2003 donor truck. I have everything else lined up, except for a suitable fuel tank. The K5 tank doesn't have the valve in the tank or the evap, so I'm looking for ideas. Do I need to have a custom tank built or can someone give me the part number for the proper valve so I can drill and weld it into my K5 tank? Has anyone come across a solution that does not involve using a misshapen Tahoe/Yukon tank?

11-13-2014, 06:45 PM	#1
93FatBottom Registered User Join Date: Jul 2011 Location: Simi Valley, CA Posts: 80	5.3 swap in K5, need new fuel tank for 2003 fuel evap system I'm planning my smog-legal 2003 5.3 swap into a 79 K5 Blazer, and in California I have to utilize the fuel evap system from the 2003 donor truck. I have everything else lined up, except for a suitable fuel tank. The K5 tank doesn't have the valve in the tank or the evap, so I'm looking for ideas. Do I need to have a custom tank built or can someone give me the part number for the proper valve so I can drill and weld it into my K5 tank? Has anyone come across a solution that does not involve using a misshapen Tahoe/Yukon tank?

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