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Many, many years ago when the PCV valve first became standard on engines we used a small round plastic gauge that was pressed against the oil fill opening.  It was a clear plastic gauge with a small ball inside, with engine running, it was used to seal off the oil fill hole in the valve cover or fill tube, if the PCV valve was working properly, there would be vacuum in the crankcase pulling the small valve in the gauge to the green (GO) area.

If the ball didn't move to the green area, that might indicate a faulty PCV valve or excessive piston ring blow by.

Anyone remember using one of them?

Been trying to locate one with no luck so far.

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Found this one on RacingJunk.com:

https://www.racingjunk.com/Chevrolet/183965008/1933-Chevrolet-5-Window.html?category_id=1060&aces_model_id=-4&np_offset=0

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A few parts I have laying around.
32 Pontiac/Chevy parts for sale.

1.) Front seat tracks $20
2.) "Ride control" lever shocks. -- Make offer --.
      Can pull rods for a complete system.
     AC Delco Lovejoy is stamped on front

PayPal is perferred for transactions.
   

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Looking for Vega style steering wheel....any one have one hanging in a wall?

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So I found a 71 Firebird Formula 455 , numbers matching car sitting on the side of a guys house.  42 K miles , car looks good but has been sitting out side for at least 10 years, was garaged before that at his dads and they "lost" the storage.
The car is supposedly 1 of 350  , 455 formulas made that year.  Motor had marvel mystery oil added before being stored

Tires are flat and floors are rusty pretty sure but the car is sunk down and I cant really see the undercarraige,   the areas of the frame rails that I COULD reach seem there, trunk floor is there, rockers look good... car looks good but I know at least the floors are bad... not sure the whole undercarriage might need a ton of work.      I can get the car between 4 - 5 grand � might have to act quick there is another guy trying to get it .    Isnt this car worth a lot more than 5 grand because of what it is ?