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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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| | | | Joined: Oct 2021 Posts: 6,699 'Bolter | | 'Bolter Joined: Oct 2021 Posts: 6,699 | Your question is confusing.
You want to put a pcv valve into the exhaust manifold???
What year engine?
Yes the draft tube should be sealed off with a properly functioning pcv system. What kind of pcv system do you have? Factory setup? Homemade setup?
Road draft tubes work perfectly fine, especially for the type of driving and care an antique car gets. Put it back to stock, change the oil at 1 year or 3k mi and don't worry about it. Your engine will outlive you.
Are you saying that when you turn out the idle screw until it doesn't contact the stop, the car stays at 1200rpm?
1950 Chevrolet 3100 (Ol' Roy)
1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)
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