Stock TPI vs Super Ram plenum volume Question

[Romans, Mark]

Well if the SuperRam is approx 5 litre's internal volume and the stock tpi
is 14x4x1.5=84 cu in.
Then the SuperRam is about 3.5x the internal volume of the stock tpi.  I'll
try multiplying the stock setting by 3.5 and see what happens.
Thanks.
Mark
----- Original Message -----
From: "nacelp" <nacelp at bright.net>
To: <gmecm at diy-efi.org>
Sent: Sunday, April 30, 2000 11:38 AM
Subject: Re: Stock TPI vs Super Ram plenum volume Question


> > Hello All:  I have been fighting an rpm sag and stall on decel for quite
a
> > while.  Man trans app, 355 cu in. I have eliminated the following as the
> > cause of problems.
> > 1) IAC
>
> Have you looked at anything to do with the idle follower?.
>
> > 2) Spark Timing
> >
> > Final problem seems to be decel enleanment.  When I let off the throttle
> > decel enleanment kicks in and the o2 sensor goes extremely lean.  There
is
> a
> > part of the code called KSSAEPW, @ C4F7 in 89 165 code.  'MSEC' DFCO
STALL
> > SAVER AE PULSES.  Stock is 1.95 MSEC. I have increased this by 230%
> > (Guestimate of Superram internal volume vs stock tpi) and the sag is
> almost
> > not noticable.
> > I am asking if anyone knows the exact internal volume of the SuperRam vs
> the
> > Stock tpi?  (or at least close).
>
> ***CLOSE*** is  14x4x1.5.
> So darn awkward to measure and figure what it's like inside.  Now, you
know
> why they can't breath...
> Well, make good HP nmbers
> Grumpy
>
>
> > Last time I measured, the SuperRam was over 5 litre's of internal
volume,
> I
> > have never tried to calc what the stock tpi is.
> > The 02 sensor still drops on decel enleanment but now as the rpm's drop,
> the
> > ecm is kicking in a bit more pw at a higher rpm to stop the sag.
> > Mark
>
>
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