350 vs. 383

[Bruce Plecan]

> Bruce is right - to illustrate heres an answer that goes as far as the
> question allows... and with MY experience (MAF)
>
> For '165 (MAF) 1989 ARAP base TPI 350, I have changed probably more than
100
> bytes.. only Half of them spark.  Most are not "nessecary" for conversion
> but I did them as part of what I might do to enhance a 350. I'll speak of
> the items I might do to a pure "block swap" 383:  stock iron heads, Cam,
> intakes, exhaust etc... (not very smart, but for purposes of purity in
> comparison). In short, in a MAF system, you need to tune the fueling (MAF
> tables) in to settle the BLM's.  You also need to (if you are lucky with
the
> stock intake stuff) tune in the RPM based fuel adder for the RPM's that
the
> LV8 is maxxed, so that the o2 sensor, EGT, or plugs read a desirable AFR.
> The pesky issue of there not being a proper knock sensor for anything but
a
> stock block requires some attention to knock safety too. Test test test.
> Proper torque at the sensor or teflon tape but nothing is really
absolutely
> correct from what I've read.

Doc had an idea, on the GN I need two K/Ss, so he used a 1.5" straight
fitting and a T fitting, so far passes self est, and no reported knock, and
none noted on electrode.
Bruce
>
> Read tuning tips 101 definetly. Talking cc/cyllinder looks like VE
changes -
> alien to me ;-)
>
> My $0.02 - More details needed and I hope to see some answers myself to
> compare with my semi-feeble attempts.
>
> ----- Original Message -----
> From: Bruce Plecan <nacelp at bright.net>
> To: <gmecm at diy-efi.org>
> Sent: Sunday, October 08, 2000 4:00 PM
> Subject: Re: 350 vs. 383
>
>
> > How about being a whole lot more specific?.
> > What system (ecm)?.
> > Everythng else the same between them?.
> > Bruce
> >
> >
> >
> >
> > > Listers,
> > > When looking at the files for a 350 and 383, TPI,  what should stand
out
> > as
> > > differences? What effects cc/cylinder?
> > > Regards,
> > > Dan
> >
>
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