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Username Post: Gas cap vented or closed system        (Topic#347047)
"10th Year" Silver Supporting Member
Posts: 101
Loc: Minnesota
Reg: 08-24-04
09-08-17 12:19 PM - Post#2707048    

On my '66 El Camino is the gas tank vented?
I'm unable to find a vented gas cap. After a 20-30 mile cruise I open the gas cap and there is a loud hissing and it sounds like someone is banging the gas tank.
Any advise? Thanks

'66 El Camino
'16 Vette coupe
'66 HD Sprint
'67 Honda Scrambler

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Posts: 857

Loc: Lake George, NY
Reg: 11-11-15
09-08-17 03:57 PM - Post#2707068    
    In response to cares

If you have no seperate vent off the tank, the cap must be vented.

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