Re: Am I going the wrong direction ?

[Len Sabatine <sabatine@epix.net>]

  All of the mods listed , No indication of Inj size or Fp spec. Scan data of
  BLM , INT values vs TPS, MAP, RPM and O2 correction will be the path
  to required fuel corrections. Do 1 change at a time so you can record the
  the response of that change. There's no silver bullet to replace the time
  to get the tune up right. Avoid wholesale changes in Fueling and Spark
  at the same time , unless you want to build a rubber room for yourself .
  Read Programming 101 over and over until you get a grip on the basic
  Do's and Dont's of EFI calibration. BAD MOVE to change ANYTHING
  before understanding WHY a change is necessary. Many times , it's
  what you Don't change that's the real "Hot Setup" .
  Len

> So where would I guy like me start messing around in the .bin to make the
> car wake up a little ? I guess leaning it out doesnt work, so richening
> should ? I'm using TunerCat btw. I read the 101 Programming tips but it's
> still very confusing stuff for me, especially for a newbie :)   Do you guys
> think more timing and more fuel should help a little ?
> Here's my mods...
>
> Ported and polished heads, ported stock TPI base, ported plenum, Comp Cams
> XR270HR-10 cam (lift .495/.502 duration 218/224 lobe separation 110),
> Edelbrock TES headers, LT4 valve springs, Crane AFPR, Flowmaster catback
> with LT1 style tips, MSD coil & wires...
>
> >    This is Bass Ackwards. Think, like running too fat , Decrease VE in
> target
> >    Cells= enlean . Increase VE in target cells to enrich AFR.
> >    This statement assumes that Injectors are properly sized for Engine
> > breathing
> >    requirement. Always make 1 change at a time, otherwise you'll not know
> which
> >    change helped or hurt .
> >    Len
> >
> > >Hey guys. I'm trying to do a .bin to work with my setup so far. What I've
> > >done to start with is lower the values in the VE tables for the 90-100
> Kpa
> > >range. By about 1-2%. That should richen up  the mixture right ? What I
> also
> > >did is advance the timing by about 3 degrees in the same 90-100 Kpa
> range.
> > >The car actually slowed down by 4 tenths.... :(   Am I going the wrong
> > >direction with the VE tables in TunerCat ? Should I increase those values
> ?
> > >
> >
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