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Discussion Starter · #1 ·
just wondering what the correct gas cap for a 72 chevelle is?...vented or unvented?...i am currently running a stock 350 motor...thx guys.
 

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I believe that this should be unvented as the '72 had vent a vent line from the tank to the charcoal canister at the left front of the engine compartment. A vented cap may not hurt anything, but it may drop a bit of fuel on the ground under hard acceleration??
 

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Discussion Starter · #3 ·
thx Jwagner!,

i guess i'll stick with my unvented one...just wasn't sure if i had the wrong one and was causing damage to my car...thx again!
 
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