The hot set up for drag racers was to use an air pump check valve from a GM
car
And a 6 inch length of pipe cut at 45 degrees with a small whistle cut that
Stuck inside the header.It worked very well
When I got into this left right stuff it was one of the first things I did
to the
Little TR, it worked too well. We would suck out more than a quart of oil in
one
session.
Drag cars are running hard for seconds while road racers run much longer
times.
I think that has a lot to do with it. Don't waste your time.
Just the wrench.
.
eFrom: Bill Babcock
Date: 12/30/2007 4:14:28 PM
To: William G Rosenbach; william.tobin3@verizon.net
Cc: FOT@autox.team.net
Subject: Re: [Fot] Valve cover breather
Much more likely to suck too hard at high RPM that not do enough. It's hard
to
set up a venturi system that's anything like linear. At Idle it could be
Pressurizing the crank and at full RPM sucking the oil out.
-----Original Message-----
From: fot-bounces+billb=bnj.com@autox.team.net on behalf of William G
Rosenbach
Sent: Sun 12/30/2007 1:05 PM
To: william.tobin3@verizon.net
Cc: FOT@autox.team.net
Subject: Re: [Fot] Valve cover breather
>>>"08 SCCA GCR; Section 9.3.37
states that it is prohibited to allow the breather to go directly to the
exhaust.
That sounds like the SCCA going 'green' on us.
Can not go 'directly', so you could evacuate a fluid separating chamber
that is in line with the crank case vent line.
I've always wondered if the exhaust Venturi could move enough air to
actually create a negative pressure in the crank case. If it was more
than up to it, excess vacuum capacity could be applied to the
transmission and rear end. Imagine, an English car that never got called
in for leaking fluids! Except for fuel from the fuel cell.
Bill R
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