Yet another L-98 Pinging Update
mrvette
mrvette at bellsouth.net
Wed Oct 28 01:51:13 GMT 1998
B-4 I cold say anything intelligent, I have to know much more about your car, I
belong to several groups, mainly involving vettes, and I know a fair amount
about their operating systems...but our conversations are more dedicated to
chevy l98 than this list...e-mail me off list GENE
The Thibodeaus wrote:
>
> Well, I got my replacement Performance Resource chip tonight. At highway
> speed it would pull out a degree or two just like the stock chip when you
> started moderately accelerating after cruising at around 52 mph and then
> the amount of retard would return to zero as you were still accelerating.
> At around 25 mph criuse with moderate acceleration up to around 35 mph it
> was pulling out 13 degrees whereas the stock chip pulled out maybe 1 degree
> or none. Again, there is not EGR function that I can find at any speed or
> throttle position. The chip seems to pull out the advance very rapidly.
> Can this be programmed into the chip such that a faint ping in a vulnerable
> speed/load region would bring about a quic and overcompensating response?
> Finally, at WOT the chip pulled out 7 degrees but the car started to miss.
> It has done this noticably a few times in the past so now I am wondering
> whether I have an injector problem. The chip was pulling out 7 degrees but
> the acceleration rate was very anemic due to the hesitation of the engine.
> I wonder if the 25 MPH situation is a reflection of a bad injector?
>
> Bob T
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