big inch SBC EFI intake mainfold

[Bruce Plecan]

> Bruce,
> > > Actually one that sticks out like a sore thumb is the fact that
synching
> > > up an SEFI controller does nothing for the engine except at very low
> > > rpms...and then most of the gains are not in driveability, but
> > > emissions.  His feeling is that even at low rpms that the 'puddle' of
> > > fuel on the intake valve would never really puddle since the valve is
so
> > > hot and at low rpms, there is not enough fuel there to matter anyway.
> > I can totally see that, but then the guestion is why do the SEFI buicks
run
> > so bad when 180d out on the cam sensor?.
> Dunno anything about them so of course I am not qualified to make any
> postulations since I am sure it has been beat to death in GN circles.
> You are the second person to mention this out loud about the Buicks in
> less than a month to me.  Doesn't make any sense at all.  Nobody has a
> better explanation?

I haven't heard a good explaination yet is all
I'm always fishing for answers

> BTW, I have never actually run a SEFI system 'unsynched'.  Imagine the
> SEFI8LO would do it...  Just relaying what he said...8 years ago no
> less. <G>

They all have to at some point to have enough DC.
It would take some huge injectors to stay at full sych mode
Grumpy

>
> Later dates.
> --
> Scott Knight  mailto:scott at scottknight.com
> http://www.scottknight.com/ IRC:SS396man
> '00 White Grand Prix GTP
> '95 Black Impala SS
> '94 Ducati 900SS CR
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