<VV> PCV by model year; Was: 1962 Vair

[Doug Mackintosh]

Yes, what I meant, not what I said ! PCV came with the 1963 model year.
 -- Doug Mackintosh
Corsa member since 1996
Corsa/NC member since 1996, Virtual Vairs member
Corvair owner 1969-1971 and 1996-on 




________________________________
From: BBRT <chsadek at comcast.net>
To: Doug Mackintosh <dougmackintosh at yahoo.com>
Sent: Sun, 5 September, 2010 14:36:25
Subject: Re: <VV> PCV by model year; Was: 1962 Vair

Pls re-read your first line... I hope you meant 1963...in second sentence..

C
----- Original Message ----- From: "Doug Mackintosh" <dougmackintosh at yahoo.com>
To: <Wrsssatty at aol.com>
Cc: "Virtual Vairs" <virtualvairs at corvair.org>
Sent: Sunday, September 05, 2010 1:18 PM
Subject: <VV> PCV by model year; Was: 1962 Vair


No, the 1962 model year Corvairs (and other cars) sold outside of California had
a road draft tube, no PCV. PCV came with the 1962 model year.


The November 1962 Car Life magazine new car issue says:

"1963 will not not go down in history as the year of the big change but when you
look beneath the superficial face-lifts, the total number of engineering
developments is rather astounding. Highlights of the year's new models include:

...9) Positive crankcase ventilation for all cars"

Page 7-6 of the 1962-1963 shop manual supplement states:

"All 1963 Chevrolet engines have either "positive" or "closed" positive
ventilation systems utilizing manifold vacuum to draw fumes and contaminating
vapors into the combustion chamber where they are burned."


It goes on to describe the system and proper maintenance therof.

Bill Stanley responded to this:

<<Anyone know what year the PCV system was made standard equipment on
Corvairs? >>

With this:

<<I hope someone who knows the definitive answer to this question will post
it here. Until then, here is what I believe off the top of my head:
Positive crankcase ventilation was standard on CA cars beginning in 1961 and on

all other U.S. cars in 1962. For model year 1963 only, the crossover tube
connecting the two air cleaner housings on a Corvair contained a clip to
hold on the PCV assembly. I recall at the SCG (stock Corvair Group) event at
the Ventura convention looking over a stock, low mileage orginal '61 car
assembled at the CA plant that had PCV.>>

-- Doug Mackintosh
Corsa member since 1996
Corsa/NC member since 1996, Virtual Vairs member
Corvair owner 1969-1971 and 1996-on



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