74-81 camaro gas tank - Team Camaro Tech
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Old Jul 26th, 15, 01:48 PM   #1 (permalink)
 
Join Date: Jul 2011
Location: panama city fl
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74-81 camaro gas tank

I have a 78 nova gas tank. same as the 74-81 camaro. Im trying to run a return from my bypass regulator. I was going to run a 3/8 line from the regulator back to a y by the gas tank and connect it to the 1/4 return line on the sender and the 5/16 line on the vent line. but when i took the sender out. i notice there is a metal shield under the build in vent line. if i hook a return line up to this will it be restricted? has anyone been into there gas tank and can explain to me exactly what the shield does and looks line on the other side? Is there a orifice on the 5/16 vent line?
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Old Jul 27th, 15, 06:46 AM   #2 (permalink)
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Re: 74-81 camaro gas tank

Having not seen it I assume the sheild is there to prevent liquid fuel being drawn out the vent tube when the emission system on this car put vacuum on the tank vent line.

Is it possible and does space permit enlarging the 1/4 return line hole to 3/8 and replacing it with 3/8 tubing soldered in?

Jeff
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Old Jul 27th, 15, 12:00 PM   #3 (permalink)
 
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Re: 74-81 camaro gas tank

i bought a new sending unit with the 3/8 outlet and 1/4 return. Im worried ill mess up the new sending unit since i havent done much soldering. ive found pic but no video of anyone doing the mod.
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Old Jul 28th, 15, 07:14 AM   #4 (permalink)
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Re: 74-81 camaro gas tank

If you can find one take it to a radiator repair shop. They can solder it.

Jeff
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