[Diy_efi] Throttle body sizes

[Greg Hermann]

At 12:09 PM 7/18/03, Joe Lutz wrote:
>I don't mean to change the subject, but this brings up a question I have.
>At what depression is the standard for rating the flow rate (cfm) of
>throttle bodies and carbs?  There must be a standard because the flow
>obviously depends on the pressure differential so these things would have to
>be flowed at the same pressure for fair comparison.
>
>Thanks,
>
>Joe

Two barrel carbs are tested at 3 in. Hg, four barrels at 1.5 in. Throttle
bodies can vary.

Greg
>
>
>>From: "Chris Carson" <fastcarson at prodigy.net>
>>Reply-To: List for general do-it-yourself EFI talk <diy_efi at diy-efi.org>
>>To: "List for general do-it-yourself EFI talk" <diy_efi at diy-efi.org>
>>Subject: [Diy_efi] Throttle body sizes
>>Date: Thu, 17 Jul 2003 18:15:01 -0400
>>
>>Does anyone have a chart or list of what the flow (in CFM) would be in
>>various GM TBI throttle bodies with the injectors cut out for use with a
>>MPFI system?? Specifically looking at using the 454 TB, but I am worrying
>>about choking my (warmed over) 403.
>>Thanks, Chris
>>
>>
>>_______________________________________________
>>Diy_efi mailing list
>>Diy_efi at diy-efi.org
>>http://www.diy-efi.org/mailman/listinfo/diy_efi
>
>_________________________________________________________________
>Tired of spam? Get advanced junk mail protection with MSN 8.
>http://join.msn.com/?page=features/junkmail
>
>
>_______________________________________________
>Diy_efi mailing list
>Diy_efi at diy-efi.org
>http://www.diy-efi.org/mailman/listinfo/diy_efi



_______________________________________________
Diy_efi mailing list
Diy_efi at diy-efi.org
http://www.diy-efi.org/mailman/listinfo/diy_efi