Dual TBI units

cranford at texas.net cranford at texas.net
Thu Dec 16 16:15:15 GMT 1999


True...But I'm referring to TBI..Throttle Body Injection, not TPI.  I want to 
be able to run two TBI units on a dual quad style manifold, not a port 
injection engine.  Port injection is not an option for this buildup.

Estimated hardware cost is under $300, including the dual quad manifold.

I can't believe this hasn't already been though about and either done 
successfully or deemed impossible...And I SERIOUSLY doubt the collective "you" 
would deem anything impossible judging by what I've seen discussed around here 
over the past 6 months or so since I subbed.

Stephen Cranford

> Those 305 TPI TBs are 49mm I think?  For 400 real HP 2
> of those are way overkill.  One larger one (52mm or
> 58mm) would do fine.  Or you could get a 4-bbl TB (w/o
> injectors) from holley, force-efi.com, or accel for
> around $350-$450 complete with IAC and TPS and
> progressive linkage.  
> 
> Squash
> 
> --- Stephen Cranford <cranford at texas.net> wrote:
> > Hmmm...Lots of interesting ideas.  But maybe I
> > should have been a little
> > clearer on our proposed setup.
> > 
> > Two stock F-Body (90-92) 305 TBI units mounted on
> > adapters to fit a dual
> > quad manifold controlled by a reprogrammed ECM. 
> > Hopefully by doubling the
> > potential airflow and fuel capacity, we would be
> > able to supply a healthy
> > 400.  Stock throttle bodies from a 305, stock
> > injectors, nothing modified.
> > 
> > Just trying to come up wit ha cheaper alternative
> > for higher airflow/fuel
> > capacity than spending $1300 on  a Holley 4Di setup.
> > 
> > --
> > Stephen Cranford        
> > http://austin.f-body.org/members/cranford
> >                                   
> > http://cranford.home.texas.net
> > 92 RS Sapphire Blue w/Purple Pearl & White Stripes
> > 89 IROC-Z28 Red w/black hood
> > "I am not suffering from my insanity...I'm enjoying
> > every minute of it!"
> > 
> > 
> 
> 
> =====
> Trains, Trucks, and EFI at http://www.elknet.net/squash
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