Who's tune fits?
Mar 14, 2009 | 12:43 PM
#1
Who's tune fits?
I have a 04 Sierra ECSB 4X4 5.3 auto. After alot of searching and reading. I want a mail order tune. I'd like to get better gas mileage around town but a WOT max power. A dual tune 87- 93 would be nice. I really don't to send in my PCM. So either another PCM or a handheld loader. Cheap updates in the future would be nice. Am I asking for too much? Need suggestions. Thanks.
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