REFLECTOR: Breather tube

[Jones Nick]

You would have to have a PCV valve to go to the intake. Without a PCV valve you would have a vacuum leak in the intake that would throw off the A/F ratio causing all kinds of hate and discontent from the engine. The newer computer controlled engine have a fixed crankcase vent that pulls the crankcase fumes into the intake but the computer compensates for the extra air during idle conditions.

Best regards,

Nick and Connie Jones
Velocity XL-RG
N10CN
99% done 90% to go
-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On Behalf Of John Dibble
Sent: Friday, March 02, 2012 1:40 PM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: Breather tube

Hmmm.  What about plumbing the vent into the intake?

John

On 3/2/2012 12:10 PM, Jones Nick wrote:
>
> The ideal situation is to create a vacuum in the crankcase. This helps 
> prevent leaks, increases horsepower (and efficiency) although 
> slightly. Back when I raced cars, I would weld in a fitting at the 
> exhaust collector cut at a 45 degree angle to use the exhaust to pull 
> a vacuum on the crankcase trying to get every ounce of power from the 
> engine.
>
>

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