It depends on what your wanting to do. I have access to a tech 2 and use it a couple times a year. 99% of the time I can scan or reset it with EFI Live and dont need the tech 2. I use it mainly for really minor things like adjusting new trucks for led's, changing radio setups, etc.
When shopping for a tech 2 be careful there are some chinese knock off's out there. Everyone I know with tech 2 bought them from tool auctions from closed dealerships. GM is phasing out tech 2's but they are good for up 2010's with the latest update.
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1999 Z28 Camaro|Cut up
2003 CC Duramax Dually|19.5 w/245/70/19.5|5in exhaust
2009 G8 GT 408hp/402tq sae|Rotofab CAI|LS9 Cam|Headers|GXP Mufflers|Custom System
2009 Tahoe stock
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