Re: Ping Ping Ping in a 1999 5.2l

From: Andy Levy (andylevy@bigfoot.com)
Date: Wed May 23 2001 - 13:59:17 EDT


I know Bob Tom uses the '96 MP PCM in his '97 when he goes to the track.

"Mr.Flipchip" wrote:

> I wonder what would happen if you put a older computer in your truck? I mean
> its really the same basic parts right? Has anyone tried this? I don't need
> to do this or anything, I have a 92.-
> --
> Kirk Johnson
> Guns cause crime like flies cause garbage!
>
> 92 4x4 5.2L
> Home-build K&N, 3" Flowmaster 40, Mopar PCM, Jacobs Pro/Street Ultra Team
> Ignition
> Autolite 3923's gaped @ .054, Transgo Shift kit
>
> "Batman" <batphreak@zombieweb.com> wrote in message
> news:20010523021353.DBB122753@sitemail.everyone.net...
> > Emissions is definitely what it's all about. in 97 MaMOPAR knew they had
> to meet tighter emissions and they were also working with an engine design
> nigh on 40 years old. Only way to get it to meet those standards was back
> off on the compression, lean out the mixture as far as possible, and advance
> the timing as far as possible. That's exactly what they did. It all adds
> up to nice little pinging problems and a huge descrease in power. From what
> I can gather the PCM flash corrects the pinging problem because it leans the
> mixture out a hair more and retards the timing a touch, that way it stills
> meets the emissions standards and you don't have as much spark knock,
> problem is you still got a little less fuel in there so you lose any nutz it
> started with. So, yeah you're pretty much right Steve, as far as I can
> gather '99 is just about the worst for these problems though.
> >
> > -Batman
> >
> > --- steve preston <steve239dak@yahoo.com>
> > > wrote:
> > >I think what it is on these 97+ Daks,is that they are
> > >trying to get the engine to produce such little
> > >emissions on crappy gas,that performance does not
> > >compare to earlier versions.Seems like,anyway.That is
> > >the only thing that makes sense to me,since pre 97s
> > >don`t seem to have any performance problems.
> >
> >
> > ==
> > -Batman
> > '99 CC 4x4 5.2L 5spd sprt wht
> > 10" X 2.75" K&N Open Element
> > Turbo II muffler
> >
> > _____________________________________________________________
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