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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#61273 06/03/2006 3:17 PM | Joined: Dec 2005 Posts: 324 Member | | Member Joined: Dec 2005 Posts: 324 | No. The PVC draws air through the engine crankcase, ect. Even if the breather cap gets pluged or fouled up, the engine will push oil. on engines with sealed cap there is another hose to the air filter housing to permit fresh air to the crankcase.
"It ain't a truck if you can't hose out the cab."
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