TBI flow rate data clips from DIY-EFI

[Niinikoski, Juha]

Thanks
I am slowly learning more. My original question still remains unanswered.
What are these injectors ?

AC side is 5235342*RPD
other side  5235134*RPD

two pieces 5235206*RPD
and 
two pieces 5235203*RPD

Color codes are faded away.

I managed to find out that 5203 are from 4.3 but no other information.
BTW what is the reason having two different size injectors in TBI ? How much
different (flow rate) are they usually ?

Juha


> -----Original Message-----
> From:	Fran and Bud [SMTP:quest100 at gte.net]
> Sent:	9. elokuuta 2000 19:27
> To:	gmecm at diy-efi.org
> Subject:	TBI flow rate data clips from DIY-EFI
> 
> I have seen a couple of requests for archived data, but no answers,
> so here is some of the data that I collected from DIY messages 
> as they were going on throughout 1999.
> 
> Sorry I dont have the names of individuals that provided the data to 
> give credit where due,  but I just snipped the data and not the 
> rest of the messages.
> 
> DATA CLIPS FROM 99 DIY-EFI communications:
> 
> The SBC throttle bodies flow about 480 CFM, and injectors vary by
> application, the BBC throttle bodies are 600 CFM (Numbers from Holley in
> their advertizing).
> Injector sizes in lbs./hr (each):
> 55 SBC Truck
> 65 Police injectors
> 85 Late BBC P/Us
> 95 Early BBC P/Us
> 
> TBI's
> >
> > As far as I know the 6965 was only used in 350's with the 65#/hr
> > (Yellow/Brown) injectors.   The 91 truck  Throttle body has 55's
> > (orange/black).   So your jetting is way off.
> >
> > By the way, the color code for the 4.3 is Yellow/Blue.
> >
> > The total flow is what counts.  ie
> > 5.7 Orn/Blks are 55#/hr
> > 5.7 Yel/Brwn are 65
> > Late model Big Block 80
> > Early Big Block 90
> > Bruce
> >
> > >  Grn/Wht   305 CID eng  about 40 #/hr
> > >  Org/Blk   350 PU       about 55 #/hr
> > >  Yel/Brn   350 Cop Car  about 65 #/hr
> > >  Blu/Blk   Late BBC PU  about 80 #/hr
> > >  EarlyBBC PU  about 90 #/hr
> > >  Purple??
> >
> I hope this is of help to someone.
> Bud
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