Quote:
Originally Posted by mongocanfly
Is your cap a vented cap?
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Definitely not. It has a nice tight rubber O-ring. I was reading info on the Trailblazer and found out that the factory gas cap has an integral vent. Also, the factory venting and pressure stuff down at the tank may not be operational. I may have inadvertently taken it out when I followed the LS un-pinning routine. I do have a few wires to still connect so maybe some of that will come to life if/when I get to it. I suspect most of the hot rods that use the LS are not using late model gas tanks with associated late model plumbing. I'll probably start by adding a small vent under the fender just below my filler neck. Not sure what I'm looking for but I suspect somebody makes one. Do you remember what you used and where you installed it? thanks