Locking gas cap - Pontiac GTO Forum
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post #1 of 14 (permalink) Old 06-25-2011, 12:39 PM Thread Starter
 
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Locking gas cap

I believe that someone attempted to syphon gas out of my 65 yesterday. I went to auto zone and picked up a locking gas cap. The stock cap says not vented but the only ones they had were vented. Will this make a difference good or bad.

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post #2 of 14 (permalink) Old 06-25-2011, 01:20 PM
 
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They sell them. I have a non-vented locking cap. I would take that back and try Napa. If they don't have it they can probably order it.
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post #3 of 14 (permalink) Old 06-25-2011, 03:28 PM
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A vented cap will leak every time you take off from a stop, due to the low position of the filler cap. I have never had good luck with any locking gas cap sealing on these cars. Good luck, though.
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post #4 of 14 (permalink) Old 06-25-2011, 03:56 PM
 
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Garage
Tape a cocked rat trap to the inside of the filler door......just don't forget it when YOU go for gas.....
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post #5 of 14 (permalink) Old 06-26-2011, 08:49 AM Thread Starter
 
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hahaha i like the rat trap idea. Maybe I will just leave the locking cap on when parked and put the stock one on when driving.

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post #6 of 14 (permalink) Old 06-26-2011, 09:42 AM
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hahaha i like the rat trap idea. Maybe I will just leave the locking cap on when parked and put the stock one on when driving.
That will probably get old in a hurry. I assume you don't have a vent nipple with a rubber line on the filler neck of the tank? If you do, you don't need a vented cap. Just checkin'............



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post #7 of 14 (permalink) Old 06-26-2011, 11:47 AM Thread Starter
 
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Yeah i do have the vented filler neck. However the only locking gas cap that i can get in good old cali are the vented caps mainly b/c of emissions regulations. Maybe I can fill the cap vent with sylicone or something to block it off considering the filler neck is already vented

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post #8 of 14 (permalink) Old 06-26-2011, 04:05 PM
 
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order one online
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post #9 of 14 (permalink) Old 06-26-2011, 07:00 PM
 
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actually California does not wanted vented caps. They want no evaporative emissions from the tank
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post #10 of 14 (permalink) Old 06-26-2011, 09:20 PM
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Originally Posted by SDGoat619 View Post
Yeah i do have the vented filler neck. However the only locking gas cap that i can get in good old cali are the vented caps mainly b/c of emissions regulations. Maybe I can fill the cap vent with sylicone or something to block it off considering the filler neck is already vented
I read your original post "slower" this time. lol Must have read it too fast the 1st time. I think I missed the word "stock". My neighbors thru the woods had a party last nite. I think I was still tired when I replied earler...



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