Re: Stock TPI vs Super Ram plenum volume Question

["nacelp" <nacelp@bright.net>]

> 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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