Big Injectors in Little Engine?

Bruce Plecan nacelp at bright.net
Mon Nov 6 14:54:12 GMT 2000


Jus curious what idle speed, pulse widths, tranny, ya got.
Thanks
Bruce



> I am running SVO 30's in my 350 '90 IROC with 0 problems.  Of course, I
> adjusted the injector constant to 33lb/hr and am running 45psi at the
rail.
>
> Tim
>
> At Fri, 3 Nov 2000 20:15:20 -0600, "Dan Townsend"
<xybertron at cox-internet.com>
> wrote:
>
> >
> >I have headers and aftermarket exhaust.  Would 30# be too much in a
> >350?  I
> >will run Ford fuel pressure so that should keep them at the rated 30#
> >vs
> >33#.
> >
> >Dan - Just erased and programmed first chip.  89 Camaro bin installed
> >in 87
> >Trans Am '165 ECM
> >
> >----- Original Message -----
> >From: "Bruce Plecan" <nacelp at bright.net>
> >To: <gmecm at diy-efi.org>
> >Sent: Friday, November 03, 2000 6:34 PM
> >Subject: Re: Big Injectors in Little Engine?
> >
> >
> >> > Are there any comments on this line of thought? ->>>
> >> > What if I was to put a set of SVO 24 or 30# injectors in a 305 TPI
> >MAF?
> >> > They're cheap, and it would offer me peace of mind (kind of like
> >the new
> >> > harness did). Could they be tamed to work well in a 305?
> >>
> >> **Normal inj PWs for a TPI at idle are around 1-1.2msec.  often at
> >.8msec
> >> they go erratic and or shut down.  Your cutting it close.  IMO, too
> >close.
> >> Bruce
> >
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