I have a 2005 Impulse blue Pontiac GTO. It has a New LSX 6.6L Aluminum block from Texas Speed, 4" stroked Callies rotating assy, CompCams special grind .612lift cam, studded, ARP, ect.... Heads where stock # "273" that were port/polished/valves and springs replaced by company Advanced Inductions, these are their $2300 pkg. can look them up on web. Very reputable firm. Built 4160E trans. ,has new bands, cluster, sun gears, ect. replaced.... 3.91 ratio diff..... Yank 4000 converter, Magnaflow stainless steel exhaust no cats. Has a great cam lope to it. The engine was assembled by Heintz Racing in Moorseville, NC. Was told with this set up should be well over 600hp at the crank. Build was end of 2010. Has apprx. 9,000mi since built. 69,000 total. Engine was torn down due to a bad lifter and rebuilt in september after checking to see everything was ok. Have paperwork from the tear down. Everything works as new including A/C. Has been ran once at ORP test and tune night leaving soft on 4160E auto built trans 11.44/121mph... Have receipts for all the main work done to the car. Text me at 937-570-2345 with questions. Looking for cash offers or trades for 03-04 cobras. Thanks
