[Gmecm] LT-5 programming

[Tyler Townsley]

Not completely correct. Each cyl has 2 injectors of the same size. The 
secondary injectors are not controlled by the switch they are controlled 
by the ecm, the butterflies are opened by the vacuum and the ecm goes 
full power (both injectors) based on rpm map etc. There is a mod that 
allows the secondary butterflies open on start and turns on both 
injectors at all times  The best calibration definition files have been 
done for Tunerpro (90-1 *.xdf files 92+ are in work) by Todd Pepmier. 
Best way to get information would be to attend the ZR1 Gathering in May.

Tyler

constantine pappas wrote:

> Yeah there is.  There is a key that you turn from "normal" to "full" 
> power.  In doing this it activates a second set of larger 
> injectors.  In "full" power the ccm monitors thottle position, 
> manifold pressure, water temp., and revs.  When everything is 
> just right it sends a vacuum signal to a set butterflies in the 
> heads that open up a set of secondary intake ports and the larger 
> injectors begin pumping more fuel into the motor. 
>  
> Constantine
>
> Mike V <efi at dyakron.com> wrote:
>
>     At 11:27 PM 2/7/2006 -0500, you wrote:
>     >Similar question, better info.
>     >
>     >http://forums.corvetteforum.com/showthread.php?t=1302518&forum_id=50
>     >
>     >Ty;er
>     >
>     >constantine pappas wrote:
>
>     It's been about 6 years or more, but I seem to remember looking
>     at a ZR1 bin and it had two sets a of fuel and spark tables.
>     I assumed there was a "Sport / Economy" switch on the car
>     somewhere. Mike V
>
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