Venting a gas tank - The 1947 - Present Chevrolet & GMC Truck Message Board Network

custom10nut · 07-23-2016, 11:45 PM

In the future, when I finally get around to taking my gas tank out of the cab and installing a steel Blazer tank under the bed, do they come with a vent on the tank? Or will I have to fabricate a vent tube myself? The reason for the question is that the filler door and filler tube I mean to install is from a late 80s truck, and the cap is not vented.
I'm glad I had this epiphany one day when I was sorting through all the parts I have collected for future project. I have a '70, and of course it has the vented cap system.
I'm hoping, with the numbers that have relocated their tanks, someone can give me some pointers.
In addition, I'm assuming that there needs to be a short length of flexible fuel line from the tank to the hard line that follows the frame. Am I right?

07-23-2016, 11:45 PM	#1
custom10nut Registered User Join Date: Apr 2015 Location: East Tn (In the heart of the Smoky Mtns) Posts: 1,882	Venting a gas tank In the future, when I finally get around to taking my gas tank out of the cab and installing a steel Blazer tank under the bed, do they come with a vent on the tank? Or will I have to fabricate a vent tube myself? The reason for the question is that the filler door and filler tube I mean to install is from a late 80s truck, and the cap is not vented. I'm glad I had this epiphany one day when I was sorting through all the parts I have collected for future project. I have a '70, and of course it has the vented cap system. I'm hoping, with the numbers that have relocated their tanks, someone can give me some pointers. In addition, I'm assuming that there needs to be a short length of flexible fuel line from the tank to the hard line that follows the frame. Am I right?



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