Re: ECM calibrations for upgraded Xfire

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

Nope, was years ago.
The info available now, makes my early stuff look premitive.
If you care to spend the time, you can do a great chip for that car.
Will take more then a chip to get the full performance out of your set up.
You'll need to do 2" butterflies, remove the egr tunnel, increase the plenum
volume, different injectors, to get it's full potential.
Grumpy




> I have posted using plain text. Do you have a bin file of the one u used
for
> the 13.7 time?
> Thanks,
> Dominic

> From: Bruce Plecan
> Turn off that awful script / coloring.
> I've run a 13.7 with a cross fire.
> Try reading tuning docs (at the FTP), and programming 101.
> For a combo like that, you'll need to do your own chip, and just start
with
> a stock one or what ever ya bought from them.
> Some major (yet non critical) intake porting needs done
> Grumpy

> From: Dominic Sorresso
> I am new to your forum but it was strongly suggested by a member of the
> Xfire forum that I join.
> I recently "upgraded" my 84 Vette Xfire with a Comp Cam hyd roller 211/218
> degree with .488/495 lift at 112 degree lobe separation. I also upgraded
the
> heads to the new
> Trick Flow 23 degree aluminum heads. Also have upgraded ECM and TBI units
to
> Turbo City
> systems ie 7747 ECM. I also have Extrude Honed manifold. On a 95 degree
day,
> car ran a 14.3 at 99.7mph and pulled 253 hp@4600rpm/307 lbft@4200rpm at
the
> rear wheels on chassis dyno. This was with stock configuration chip. I am
> interested in knowing if anyone has a bin file for a combination similar
to
> this. I don't doubt that knock Sensor was causing  retard of timing since
> power went south after 4600rpm. I have a Needhams EMP-10 burner  and would
> be interested in mainly suggested fuel and timing calibrations. I believe
it
> is running slightly rich especially at cold idle strartup and would also
> like to address dis/engagement of 4+3 OD unit at higher speeds.


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