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Post Info TOPIC: Early Small Block V8 Road Draft/PCV Pieces


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Early Small Block V8 Road Draft/PCV Pieces


This a pair of early small block Chevy V8 positive crankcase ventilation and road draft tube parts. They were used on early small journal V8's until 1968 I think. The real early ones just had a road draft tube that ventilated to the atmosphere and let the condensation drip on the ground. Later it got hooked up by a hose and a pcv valve to the oil filler tube on the front of the motor.

The one with the long bolt attaches on top of the block at the back beside the oil pressure gauge/sensor feed. The one that looks like a small tomato juice can bolts near the back of the block in the lifter valley under the intake manifold. It collects the splash from the area.

These are necessary, I think, if you are doing an early original style block. Both for aesthetics and proper operation, especially if using original non-pcv valve covers.   

Asking $20.00 plus actual postage.IMG_2417.JPGIMG_2418.JPGIMG_2419.JPG



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Uber Guru

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Two weeks ago I was begging for one of the smaller ones. The need was filled by a CP member.

Which reminds me that since the deal went down on CP I should make a donation.

Sorry for the derail.



-- Edited by norontcan on Saturday 11th of March 2017 10:36:08 PM

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The road draft tube went away in 63, previously (likely only 62) the PCV setup was an option, my 62 283 had the pcv setup. In the early setup, a rubber hose went from the above tube into a PCV and then into the back of the carb. If you had a push on big oil fill cap with the filter inside, the tube went into the rear of the carb. With the little screw top oil fill tube, the tube had a pipe on it like Old Goat mentions.

I had a road draft tube on my 59 283, at slow speeds it dumped exhaust vapors out under the car, lots of smoke, even though the car burned no oil.

Don

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63 Pariesienne sport coupe (The Big GTO), black, maroon interior, 409 4 speed; former owner of a 59 El Camino, 63 Corvette SWC, 62 Chev Bel Air SC.

Mahone Bay, NS Still not old enough to need an automatic



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No derail, and thank you for the additional information Don.



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