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05-22-2015, 03:39 PM
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#1 |
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Registered User
Join Date: Apr 2008
Location: Somerset, Kentucky
Posts: 233
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Gas cap issues....
Has anyone on here ordered a factory replacement gas tank only to find out that when you get it the original cap doesn't fit ???? The filler neck on the repo tank is larger then my original....... What cap will work?????? Where can I get one ????? Everyone I find for a 1972 EEC tank is too small .......
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It's been a long time coming... It's time to get it done.. 
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05-22-2015, 05:06 PM
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#2 |
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Senior Member
 
Join Date: Dec 1999
Location: TN/VA
Posts: 6,388
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Re: Gas cap issues....
Do you know if you got Part #GM49A #GM49B or #GM49C ?
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05-22-2015, 05:13 PM
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#3 |
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Registered User
Join Date: Jul 2008
Location: Eastern Oregon
Posts: 2,291
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Re: Gas cap issues....
Don't buy a NAPA cap, the rubber seal falls apart in no time at all.....
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71 C-20 07 Magnum RT AWD |
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05-22-2015, 05:14 PM
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#4 |
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Registered User
Join Date: Feb 2011
Location: Modesto, CA
Posts: 2,186
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Re: Gas cap issues....
You can check the cap for a 70 and older tank. They didn't have eec.
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05-22-2015, 08:58 PM
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#5 | |
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Senior Member
 
Join Date: Jan 2012
Location: Texan, back in TX
Posts: 2,125
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Re: Gas cap issues....
Quote:
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05-23-2015, 07:56 AM
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#6 |
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Registered User
Join Date: Apr 2008
Location: Somerset, Kentucky
Posts: 233
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Re: Gas cap issues....
Well I found on another thread that someone got one for a 70 model and it worked so I did the same.... I got it on last night and it is really tight .... I also don't have the EEC all hooked up.... Where the line comes to the fuel pump on the frame rail I just ended it there because my fuel pump was a one line hook up deal..... Will this cap cause me issues????
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It's been a long time coming... It's time to get it done..
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05-23-2015, 10:27 AM
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#7 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Gas cap issues....
if it is vented it will work ok if it is not vented and you have no vent in the tank you'll have problems
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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05-23-2015, 12:11 PM
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#8 |
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Registered User
Join Date: Nov 2013
Location: Winnipeg, Mb
Posts: 1,115
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Re: Gas cap issues....
I have a new EEC 72 tank I installed last year. The 72 cap didn't fit so I bent the tank opening, only to find here that they use a pre 72 filler neck on the new 72 tanks (cheaper to use only one filler). Try a 70 cap and it will be tight but fit
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05-23-2015, 12:36 PM
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#9 |
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Registered User
Join Date: Feb 2011
Location: Modesto, CA
Posts: 2,186
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Re: Gas cap issues....
If there's no vent your tank will swell up. Mine swelled and started leaking into the cab, but I caught it just as it started.
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06-17-2015, 02:08 PM
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#10 |
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Registered User
Join Date: Apr 2008
Location: Somerset, Kentucky
Posts: 233
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Re: Gas cap issues....
Thanks ho70 it works but tight like you said....
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