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Gas Cap Question
#2297940
05/02/17 10:00 PM
05/02/17 10:00 PM
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Joined: Feb 2015
Posts: 265
Philadelphia, PA
GTXKARL
OP
enthusiast
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OP
enthusiast
Joined: Feb 2015
Posts: 265
Philadelphia, PA
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1970 B body.  vented gas cap or non-vented cap
“Working on cars teaches you patience... and every curse word imaginable.”
1970 Plymouth GTX -- A true gentleman's coupe, but a serious muscle machine.
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Re: Gas Cap Question
[Re: GTXKARL]
#2297945
05/02/17 10:10 PM
05/02/17 10:10 PM
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Joined: Jan 2003
Posts: 20,460
Eagle, Idaho
Neil
The Doctor is in.
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The Doctor is in.
Joined: Jan 2003
Posts: 20,460
Eagle, Idaho
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Depends on where the car was made. California cars in 70 came with ECS, which is a gasoline evaporation capture system, and they require a unique fill tube and gas cap. The other non CA cars would have a vented cap and matching fill tube. Easy way to tell is if your car has an extra tube poking up in the trunk floor. http://www.allpar.com/fix/fuel/evaporation-control.html
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