sizing Dual TBI units

Shannen Durphey shannen at grolen.com
Sat Dec 18 05:26:59 GMT 1999


Anybody remember what size the 2.8L tbi bores are?
Shannen

Squash wrote:
> 
> 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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