The tanks on a TF has a smaller tube that runs along with the filler tube,
this tube is the vent and a vented cap is not need. As stout as these tanks
are, I can stand on my removed one and can't cave it in, its hard to beleive
that the fuel pumps can create enought suction to collapse it.. Not saying
it cant happen, maybe on the flimsy gas tanks of new vehicle but hard to
imagine in on one of these babies....wayne
At 08:07 PM 2/24/00 -0500, you wrote:
>
>I asked this question a couple days ago during the discussion on vapor
>lock.....no answers so far. It was said that a non-vented gas cap could
>cause a vacuum capable of crushing the gas tank. My original cap is
>non-vented........should this be replaced with a vented style? ( I
>haven't experienced any problems driving my truck as a daily driver.)
>What year did Chevy go to the vented fuel system......and why?
>Thanks again, Allen
>
>oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>
----------------------------------------------------------------------------
http://www.chevytrucks.org/users/wayne
For a quick view of our mailing list members trucks:
http://www.chevytrucks.org/users/wayne/member.html
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
|