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Originally Posted by airdeano
5/21/05
i just got done doing a flow rating on a GM BBC TBI for 1987-1995 7.4L BBC TBI applications
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Great!! Thanks!! Do you have the one for the BB TB as well?
I'm sure all you guys know that these cfm data need to be converted from 28"H2O to 1.5 inHg:
TB with injectors/injector pod, no air cleaner - 575 cfm @ 28"H2O =
490 cfm @ 1.5 inHg
TB with injector/injector pod plus injector pod spacer installed - 590 cfm @ 28"H2O =
502 cfm @ 1.5 inHg
TB w/o injectors/injector pod - 610 cfm @ 28"H2O =
520 cfm @ 1.5 inHg