Thread: Questions about a 327 block.
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11-10-2010 02:39 PM #5
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The can in the lifter valley can be removed, if the there is a plug (metal frost plug) at the back of the block where the old draft tube was placed. You must the use a 350 style pcv valve (try a 1968 327 pcv valve from your auto supplier) in one valve cover and a vent in the other. Like the old 350's had.
PCV old draft tube hole
350 style PCV Valve setup
Jalopyjournal early sbc PCV valve thread
There was an old GM conversion kit which is not available any more.
See below.
GM PCV conversion kit
This was used with a push on breather cap on the filler tube at the front of the intake.
I hope this helps you
Last edited by Two8tyThree; 11-10-2010 at 02:42 PM. Reason: update
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