Ferrari Mailing List: Re: Vacuum valve by-pass: What does it do ?

[Sport Classic Comp (wade]

it functions like the auxiliary air valve, but is controlled by intake vacuum instead of temperature, essentially it would help prevent excessive lean out with higher vacuum.

 

 

 

----- Original Message -----

From: Michel Savard

To: Wade

Cc: The FerrariList

Sent: Thursday, September 17, 2015 4:56 PM

Subject: [Ferrari] Vacuum valve by-pass: What does it do ?

1981 308 GTSi: What does a Vacuum valve by-pass do ? (tav 12 #34 part number 115741)

What happens when it's not fonctionning anymore ?

Ricambi has it for $445 u.s., Eurospares has it for 135 pounds.

 

Michael Savard

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