Locking Gas cap vs. Vented!?
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Cargo Master
Joined: Jul 2003
Posts: 2,328
Likes: 14
From: Colorado
Locking Gas cap vs. Vented!?
I need some info on a gas cap for my 1967 f100. In my Dennis Carpender mag it says the only correct gas cap for the 1967 is the: "Stainless Steel Gas Cap - Vented 1967-1972" And the only locking gas cap is for "1970-72". I know that the gas tanks are different from the 1967 and the 1970.
So my question is, does anyone know if I can use a non-vented locking gas cap on my 1967 or will I need to get a vented type?
Thanks!
So my question is, does anyone know if I can use a non-vented locking gas cap on my 1967 or will I need to get a vented type?
Thanks!
Post Fiend
Joined: Feb 2000
Posts: 5,130
Likes: 8
From: Brea CA
Originally Posted by Torque1st
You can make a non-vented cap into a vented cap with a small carefully placed hole.
Have you tried the auto parts stores? I found a keyed-alike pair of vented Stant chrome caps with the red ring for my '68 Camper Special at Pep Boys.
Last edited by BB; May 30, 2004 at 03:30 PM.
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Cargo Master
Joined: Jul 2003
Posts: 2,328
Likes: 14
From: Colorado
BB, I've looked around at the parts stores but I didn't see anything about vented or non.
Why doesn't D.C. have the vented-locking? I'll try around town next.
What's the purpose of vented anyway? Besides venting, lol
Why doesn't D.C. have the vented-locking? I'll try around town next.
What's the purpose of vented anyway? Besides venting, lol
Post Fiend
Joined: Feb 2000
Posts: 5,130
Likes: 8
From: Brea CA
The venting is needed so when the fuel pump draws fuel out of the tank the vent allows air to go into the tank to displace the fuel that was removed. Without it, the fuel pump will draw fuel until it can't pull anymore because the tank is under a vacuum.
The non-vented caps are for use with tanks that have evaporative contols. The tank venting takes place in the evap. system.
The non-vented caps are for use with tanks that have evaporative contols. The tank venting takes place in the evap. system.
Elder User
Joined: Aug 2003
Posts: 693
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From: Tuttle, Oklahoma
so as to prevent a vacuume in the gas tank, causing a hard to run down problem of fuel starvation. I recently came across this discovery first hand. I went to see if my fuel float was stuck in the tank (guage said 1/4 tank) and when I opened the cap, a large rush of air went into the tank and then the tank made a "klunk" as it re-expanded. so in answer to your querry, yes vented caps are necessary on certain tanks.
_Ken
_Ken
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Post Fiend
Joined: Jun 2002
Posts: 13,873
Likes: 3
From: Atlanta GA
I got the wrong cap at NAPA, I returned it, then I ordered one from MotorHaven.com and got the correct locking cap for my 1971.
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Cargo Master
Joined: Jul 2003
Posts: 2,328
Likes: 14
From: Colorado
Thanks guys for the good info.
Sounds like my best bet is to go to the parts stores in town and see if I can find a vented, locking cap being as DC doesn't sell it.
That brings me to my next question: is there a good locking cap that doesn't have the red on it?
Sounds like my best bet is to go to the parts stores in town and see if I can find a vented, locking cap being as DC doesn't sell it.
That brings me to my next question: is there a good locking cap that doesn't have the red on it?
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Cargo Master
Joined: Jul 2003
Posts: 2,328
Likes: 14
From: Colorado
Hey guys, I went to Checker Auto and bought a gas cap today. It's a vented Slant 11491 in case anyone else needs to know. I took paint stripper and laccer thinner to take off the all the red paint. Then I took a scotch pad and scuffed in circular motons to give it the brushed alum look. Looks sweet, thanks for all the help. Here ya go:
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Cargo Master
Joined: Jul 2003
Posts: 2,328
Likes: 14
From: Colorado
Thanks BB and Ranger240.
Ranger240, that's a good idea. I'm not sure if I'll make any profit being as they are $15.99 each. But, if we see them pop up on eBay soon we'll know someone took the idea I'm proud, I think it's very custom. Just more custom fab going into my '67.
Ranger240, that's a good idea. I'm not sure if I'll make any profit being as they are $15.99 each. But, if we see them pop up on eBay soon we'll know someone took the idea
I'm proud, I think it's very custom. Just more custom fab going into my '67.
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