Door Pressure Relief Valve Retrofit - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**'68OrangeSunshine** · 08-11-2023, 10:47 PM

That's not Standard for MY '68 AFAIK.
I know 919 doesn't need it, but then there's no door rubber at all.
Doesn't last in this heat.
Aren't those for letting off vapors from an in-cab fuel tank?

**pjmoreland** · 08-11-2023, 10:48 PM

Quote:

Originally Posted by '68OrangeSunshine

That's not Standard for MY '68 AFAIK.
I know 919 doesn't need it, but then there's no door rubber at all.
Doessn't last in this heat.

Yep. Definitely not standard, but it might be nice.

08-11-2023, 10:47 PM	#1
'68OrangeSunshine Senior Member Join Date: Feb 2002 Location: Tucson, AZ USA Posts: 7,641	Re: Door Pressure Relief Valve Retrofit That's not Standard for MY '68 AFAIK. I know 919 doesn't need it, but then there's no door rubber at all. Doesn't last in this heat. Aren't those for letting off vapors from an in-cab fuel tank? __________________ Every 25 years I like to rebuild that 292, whether it needs it or not. Last edited by '68OrangeSunshine; 08-12-2023 at 02:17 PM.



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