need a little help

[thomas]

Im sure this topic has been brought up before but im looking at programmers and wondering which one I should go with. Im mainly looking for gas miliage- 06 denali awd serria 6.0 HO gas pig with 15mpg! - but ofcourse more power the better. these are the ones im lookin at. any info would be grreat.


http://cgi.ebay.com/ebaymotors/ws/eB...MEWA:IT&ih=013

http://cgi.ebay.com/ebaymotors/ws/eB...MEWA:IT&ih=002

http://cgi.ebay.com/ebaymotors/ws/eB...MEWA:IT&ih=018

http://cgi.ebay.com/ebaymotors/ws/eB...MEWA:IT&ih=004

[thomas]

well i got the superchip and went on a 700 mile trip out to KY. Goin out i got 15.4 through the mountains of MD, VA, WV and Ky goin 70-80mph. on the way back after uploading the basic program for 87 octane i got 17.4 with the same conditions. All in all im very pleased.