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Re: 1275 Venting

To: "David N Waldmann" <david@vermonthardwoods.com>, "Spridgets-Autox.team" <spridgets@autox.team.net>
Subject: Re: 1275 Venting
Date: Wed, 13 Feb 2002 13:43:08 -0500
References: <AE23D614A42ED311B36F0000F831305601B87F68@vhabacexc1.med.va. gov> <001901c1b4b0$f814efd0$7364640a@internal.vgl.ucdavis.edu> <016e01c1b4bc$60c79b30$6601a8c0@ascutney>
that's the evacupan system.  popular with the V8 crowd for years.

chuck
----- Original Message -----
From "David N Waldmann" <david at vermonthardwoods.com>
> David Vizard details exhaust extraction for ventilating the crankcase. It
> uses the flow of exhaust gasses past a tube inserted just after the header
> and requires an anti-backfire valve to prevent explosions, as well as a
free
> flowing exhaust system to be effective.
>
> He has a name for the idea, but I can't remember what it is.

> > My 1275 vents through the breather can on the timing chain cover and
> > (I guess) through the oil cap orifices.  Doesn't seem like a whole lot
> > of venting.  I've read about adding a crankcase vent at the unused
> > mechanical fuel pump spot.  Is that worthwhile?  Also seems that a
> > substantial vent in the valve cover would also help reduce pressures
> > that push oil past the crankshaft scroll "seal."
> >
> > Comments?

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