Anyone know Holley Commander 950's? programming?

The Holley system will operate a "batch fired" MP setup, just not sequential.

What do you need for money/ equipment and software to re-program the GM stuff?

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Sequential is kind of over hyped.
On our engines designed for a carb it's sort of like putting lipstick on a pig. it makes it look better but your not really going to see any improvement.
MPFI does improve the throttle response just like TBI improves over a carb. But sequential is just not going to give the same ROI.
What people don't realize is MPFI was designed to meet the newer emissions standards not for performance. They just started to optimize the engine to take advantage of the system.

Sequential was just another advancement for emissions, especially at idle when the fuel drops out of suspension from the air.


For the GM TBI, when I started 12yrs ago i could gather the used parts and install a complete system for about $200. The chip programmer is about $80 and the chips are $5 for the reprogramable ones.
All the software is free.
so for $300 you could have a complete GM TBI system running and tuned for your engine.
For engines with a big cam it takes a little more tuning knowledge since the valve overlap is designed to dump raw fuel out the exhaust. This completely goes against everything the computer thinks should be happening so once the basic fuel table is set, we simply turn off the O2 at idle and allow the system to operate in open loop mode just like during a cold start in the morning before the o2 warms up. This is also how the holley system works without the O2 add on system.

Now for the 4 barrel TBI's it would get a lot more involved but has been done. or installing 2 BBC 2 barrel throttle bodies on a tunnel ram manifold.

IMO, unless you have a complete fuel and ignition controlled system it's kind of a waste of time. fuel is fuel and when it's right it's right 14.7:1 steady cruise and 12.5:1 WOT. the power is made in the timing. But if you are simply WOT down the drag strip then there's not a whole lot of work to get it right either.
That's where the WBO2 comes in handy.

For a daily driver you really can't beat the simplicity of the TBI system.
There are no knobs to tweak or things to change. It's just like jumping in a modern car, turn the key and drive. No tune ups, no maint.
Drive to the coast or to the mountains and the system self adjust as you drive.
I'm also into 4wd's so there's a big bonus for me when off roading!!

You can read all about how to DIY here.
http://www.binderplanet.com/forums/forumdisplay.php?f=75