[Diy_efi] MAP vs actual vacuum

Jim Sloan leroy
Wed Aug 9 12:28:26 UTC 2006


20 kpa is about 23 inches Hg vacuum, depending on atmospheric pressure.

Jim 

> -----Original Message-----
> From: diy_efi-bounces at diy-efi.org 
> [mailto:diy_efi-bounces at diy-efi.org] On Behalf Of Charles Woock
> Sent: Wednesday, August 09, 2006 1:20 AM
> To: 1diy_efi mailing list
> Subject: [Diy_efi] MAP vs actual vacuum
> 
> Generally speaking... how much vacuum does it take to hit 20 
> on the MAP.  The reason I ask is because my beast will idle 
> at 800 with 14 inches of vacuum.  So I'm trying to determine 
> values for my spark table...
> 
> Charles
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