| i've noticed a big difference in sound in the lb7 with the old turbo compared to the lly/lbz's with the vvt turbo. the newer trucks sound like a jet taking off, while the lb7's have a deeper sound to them. so a 5'' on a lb7 will sound different than a 5'' on a lly/lbz
__________________ 2001 GMC EC/LB black D/A http://www.youtube.com/watch?v=Yb-XZMjcMkA Moonshine EFI-Live tuned ECM dsp5, ATS Aurora 5000, ATS stage I assembly and 5-star torque converter, ARP Headstuds, TTS HG's & Dual lift pumps, Autometer phantom II boost & pyro, MBRP 5'' Turbo-back, BD Manifold, Alpine CDA-9885 and Sirius  , 285 BFG All-Terrains on American Racing Outlaw II 16'', SuperDiesel Centerlink & Sleeves, Homemade spring clamps/pulling hitch, reese towbeast, front mount weight bracket w/ JD weights NO LIMIT DIESEL PERFORMANCE |