Re: Cam tuning

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

OPTISPARK ruins it.
No one has come up with a fix for that, that I know of.
The optispark has a high resolution, and low resolution part to it that
feeds directly to the ecm.  Sy just uses a "regular" distributor.
Mybe using an electromotive DIS you could cobble something up.
Grumpy


> So what kind of difficulty would there be in converting to a 3-bar Syclone
computer?  Other than the fact there's 2 more cylinders and 1.4 L more
displacement, are there any other factors?  Is the Syclone batch-fire MPFI
like my Camaro?
>
> Would the sensors and electronics (coolant temp, IAT,Idle motor,
injectors, OPTISPARK!) even be compatible?  Wouldn't my computer have a
hissy-fit?
>
> How much is a computer like that?  Isn't only in the turbo cars?
>
> Doug R - Black 93Z A4 3.73 - D.B. F-Body Organizer
> Mods: DragRadials,Hooker 1.75" headers,Flowmaster,AS&M CAI
> Mods: 3.73 gears, SLP Torsen, S&S Stage 1 heads, UD pulleys,
> Mods: Chip,EibachSprings,1LEswaybars, AFPR - 13.11@105.5
> *My car: http://daytona.f-body.org/doug
>
> >>> nacelp@bright.net 03/21/00 07:00AM >>>
>
> There seem to be some of you thinking that adjusting the 100K/Pa part of
the
> VE tables makes for a correct calibration, this is an error.  It's a way
to
> get a car to run, but that's all.  If yo think it's right then just use 3
> different values for the VEs at all ohter entries, and try running it.  To
> run the same fuel at 100K/Pa as you need at 150 K/Pa is a hodge podge.  If
> you don't beleive me, hunt up someone running a 3 bar MAP syclone, and
find
> out.
>   OK, lets even completely ignore the fuel, then we still have the timing
> issue.  Or is the resolved by an on/off switch MSD multistep or some such
> item.
>   Either way your just patching stuff together stuff to run.
>   Better solution is actually doing what John is with his 730, and make
the
> code changes to the ecm/pcm, or use a syclone (749) to actually do the
> engine mangement, or ecm/pcm/stamp/PIC to handle the boost issues corectly
> Grumpy
>
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