dual GM TBIs

Scot Sealander Sealand at clarityconnect.com
Sun Oct 18 00:20:15 GMT 1998


andy quaas wrote:
> 
> What are the CFM ratings for a 4.3, 5.7, and 7.4 liter TBI?  What
> about the injector flow rates?

Here is some data supplied in one of the articles from TC.  I think
(from my notes) it is May '93 Car Craft, pg 104.


Throttle body dia      Engine size     Inj cap

      ?                    2.8L        36#/hr    

   1 13/16"                4.3L        43#/hr

   1 13/16"                5.0L        55#/hr

   1 13/16"                5.7L        61#/hr   Pre '91

   1 13/16"                5.7L        68#/hr   '91 up

   2"                      7.4L        75#/hr


Scot Sealander    Sealand at clarityconnect.com




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