GM TBI Injectors

[alford-jw]

> > Sorry but my mail tools may have lost a reply or two----  did anyone
> have a
> > comment on finding the CFM ratings for GM throttle bodies?
> 
> Well, To the best of my knowledge the Holley projection units use GM
> Throttle bodies
> and from looking at their performance throttle bodies they have for
> sale on this
> page:
> http://www.holley.com/HiOctn/ProdLine/FuelInj/StLegal/1FISLL2.html
> It seems that this is how it breaks down:
> 
> 1 Barrel - 300 cfm (4cyl engines)
> 2 Barrel - 400 cfm (2.8L 6cyl engines)
> 2 Barrel - 670 cfm (4.3L, 5.0L, & 5.8L engines)
> 
> The Projection units they sell themselves with GM throttle bodies on
> them have
> 300cfm (1 barrel), 670cfm (2 barrel), & 700cfm (4 barrel). According
> to this
> page:
> http://www.holley.com/HiOctn/ProdLine/FuelInj/StPerf/1FISPL2.html
> 
> Hope this helps...
> 
> Jack Alford
> jalford at off-road.com