First product will just add extra injectors..Click Here for 034 Motorsports
Next will work in any car or van and is very flexable. You can run 4cyl, 5cyl, 6cyl, upto 16cyl. A bit more expensive then some "software only" versions and more setup time as they dont have a "Chevy" base map but perfect if you want a custom engine in your van..Link
Westers Garage offers a "Software" programmer for the stock computers that is very expensive! $6500 lets you program unlimited GM cars and trucks.. [url=http://westers_garage.eidnet.org/programminginfo.htm]Westers Link[/url]
C.A.T.S..Has sold its OBD2 software to JET. I should have bought the product years ago when i called doing my swap. Its now $500 for personal use. "will allow you to program 2 different vehicles from the list " Extras are $150 each. This product dosent double as a data scanner.