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04-17-2008, 03:17 PM #1
- Join Date
- Apr 2008
- Location
- Houston
- Posts
- 2
Black- 2003 Chevy Silverado
Hypertech Power Programmer III (silverado 2003)
Okay i have been using a Hypertech Power Programmer III on my 2003 Chevy Silverado 5.3 and i just can't get my tuning down on the Rev limit and shift points!! Was hoping i could get some help here. so please let me know something...
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04-17-2008, 09:16 PM #2
- Join Date
- Jun 2007
- Location
- THE 405
- Posts
- 169
Black- 2007 Silverado
back away from the handheld...please put the hypercrapper down and give nelsonperformance a shout
2007 RCSB 5.3L
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04-18-2008, 03:30 PM #3
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