Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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Joined: Aug 2022
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Grease Monkey
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Grease Monkey
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I am restoring a 1928 Chevrolet Champion. The engine block has a hole (screwdriver) and I don't know what it is for. A part is missing? You can see it in the last photo of this album. Thanks for the answers.


https://photos.app.goo.gl/4CxFVsDPAtokqdZf7

Last edited by Arielitoscar; 08/11/22 08:18 AM.

Chevrolet 1928, Gmc 1942, Ransomes MG 2, Buick speedster 1936
Filling Station - Chevrolet & GMC Reproduction Parts


Filling Station


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Backyard Mechanic
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Interesting, guess I'll have to follow this to hear what the experts say. I never noticed this I don't guess

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20220811_103357.jpg

Jeff

1925 Superior K 4 Dr Sedan
1966 C10
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ChatMaster - 750
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That is for a tube that goes over to the carb, for crankcase vent


Dens Chevys 1927 Speedster 1928 coupe 1941street rod 1947Fleetline 4 door 1949 1/2 ton Pickup (sold) 1954 210 4 door 1972 Monte Carlo 2003 Corvette convt..
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dens41 is correct. It is the crankcase pressure relief tube that takes the gasses to the rear of the carb.

Attached is a photo of my '28 Canopy Express engine with the tube in place and pointed out.

Cheers, Dean

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JustinEngineCompartmentCrankVentTube.jpg

Dean 'Rustoholic' Meltz
old and ugly is beautiful!



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Grease Monkey
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Grease Monkey
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Muchas gracias a todos.


Chevrolet 1928, Gmc 1942, Ransomes MG 2, Buick speedster 1936
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Interesting feature. This looks like an early solution for Positive Crankcase Ventilation.

Did these engines also have a downdraft tube?


Rusty

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No on the down draft tube


Dens Chevys 1927 Speedster 1928 coupe 1941street rod 1947Fleetline 4 door 1949 1/2 ton Pickup (sold) 1954 210 4 door 1972 Monte Carlo 2003 Corvette convt..
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That makes sense. There was already a path to relieve crankcase pressure and blow-by.


Rusty

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Backyard Mechanic
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Looks like a cool project, and your making some great progress!


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