i would definitely get away from that shop. Go to someone who tunes LSx cars on a regular basis(doesn't sound like your speed shop does). Either check out a sponsor(whiplash) or check out Race Proven Motorsports in Delaware...a few members have tunes done by them(including me) and love it. Whiplash would be cheaper so I would check them out first.
Just my .02
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Vinnie -
00 SS A4- LQ9/LS3/Stalled/3.42s 1.48/11.10/121 mph<-6spd swap in progress.
13 Silverado Z71- Sold 11/16
99 Z28 M6- -H/C/9in - sold 1/13
99 Silverado Z71- The DD - Sold 7/13
03 CBR 600RR - Sold 8/13
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