305 TBI for a 355

[Shannen Durphey]

Todorovic wrote:
> 
> > No, for a "hot" 355, you'll need large injectors, and butterflies.
> > A BBC TBI answers both questions (2" butterflies, and 80-90 lb/hr inj)
> 
Yeah, we kind of throw the initials around.  BBC= Big Block Chevy, aka
454.
> I don't know what a BBC TBI is.  What about a truck throttle body with
> injectors or a 454 throttle body with injectors.  Would that work.  
That's the suggestion!
Would my
> TBI work with a "mild" 355. 
The throttle bores are the same size between 305 and 350, but the
injectors are not.  
 I guess in the future I can go with a better
> throttle body, but for now I just want it to drive.  I was afraid of the 305
> throttle body/injectors being wimpy.
For driveability, you'll want to replace the injectors with 350 sized
units at the very least.  The real improvements come with more air
flow, and the easiest way to get it is with the big block throttle
body.
There's bunches of info here:
http://efi332.eng.ohio-state.edu/diy_efi/
search the archives, look for programming 101.
Shannen 

> 
> >  What would changing
> > >a PROM do?
> >
> > Everthing, please read programming 101 in the DIY_EFI area.
> > Programming 101 is about the 1227747 which I run in my car, and is a plug
> in
> > for yours.  It just doesn't use the IAT.  If youhunt the archives for 747,
> > and 1227747, there is a ton of info about it.
> 
> Okay.
> 
> > Grumpy
> 
> Thanks.