Quote:
Originally Posted by 67c10step
Why would there be more vapors from newer trucks then older trucks?
An open fuel system is an open fuel system...
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What i was getting at is you don't have to work on the fuel tank in a old truck that often..

.And 67-72 tanks inside the cabs dont rust ...to bad...
I try and fix them outside when i can...
Your right,all tanks put off vapors....