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Fuel Tank Vent Question

 
Old 03-15-2019, 08:03 PM
  #1  
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Default Fuel Tank Vent Question

I have a stock 95 metal LT1 fuel tank, with a sumped magnafuel 4301 and while redoing my fuel lines (going from stock to 8an) I read that I should have at least a 8an vent to the tank. While I was using pump to drain tank, I heard the tank suck in on itself so thats prob not a good sign.

What have folks done to properly vent their stock tanks?
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Old 03-15-2019, 10:19 PM
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Originally Posted by Shownomercy View Post
I have a stock 95 metal LT1 fuel tank, with a sumped magnafuel 4301 and while redoing my fuel lines (going from stock to 8an) I read that I should have at least a 8an vent to the tank. While I was using pump to drain tank, I heard the tank suck in on itself so thats prob not a good sign.

What have folks done to properly vent their stock tanks?
Keep the EVAP system operational.
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Old 03-16-2019, 08:10 AM
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Originally Posted by G Atsma View Post
Keep the EVAP system operational.
No can do, intake manifold has no provisions for it, and or, computer won't run it.

I bought a 10an roll over valve/vent last light and will be installing that.
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