Intro and project description

[CSH-HQ]

>
>Recent 1/4mile testing at Englishtown yielded a 13.991sec best, with
>problems keeping traction on takeoff and during shifting.  Plenty of room
>for improvement in the drivetrain, but my scantool also showed O2 counts
>dipping into the 800s at high RPMs indicating a lean condition.  Using an
>equation from the TPI Swappers Guide, I determined I was probably close to
>exceeding 80% duty cycle on 22lb/hr injectors.  I procured a set of
>lightly-used GM LT1 24lb/hour injectors, installed them and couldn't get
>the engine to idle in open-loop mode.  

Get a diacom, and a g-tech.  Then do plug readings, so far all your doing is 
quessing......
>
>Having ruled out vacuum leaks, and having a platform that ran fine with the
>22lb injectors, it looks like I am overdelivering fuel in open-loop mode.
>Problem is I'm running Howell microcode based on 1987 system, not sure how
>to open it up (a friend has TerryK's GMEPro but says he can only look at
>1989 binaries) and look at open-loop parameters and fuel injector sizes to
>see why it's acting up.


Use the 89 code, the difference is just the cold start valve.  Get an 
eraser, and a gmepro, and then you'll get it perfect.

Oh, and read the tuning tips.
Grumpy
>