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Group: Forum Members
Last Active: 8 Years Ago
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--Did all Y-blocks come equipped with a down draft tube, or did they switch over to PCV systems sometime during the production run? --I know that Y-blocks became available in passenger cars in 1954, but what was the last year they were available in passenger cars? --And finally, I saw a Y-block in a '57 wagon recently that had the down-draft tube removed and the portal on the block where it was originally mounted blocked off with a plate. Nothing new here, I thought, but on closer inspection I noticed that the owner had not installed a PCV system to replace the down-draft tube. Which leads to this question: wouldn't that arrangement lead to near-disastrous back pressure issues when the engine is running, and probably eventually result in engine failure?
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