04CHASE Posted March 16, 2011 Report Share Posted March 16, 2011 i dont know ive had good luck with them as well. i do know of a few who got "sponsered" transmissions and destroyed them promptly. to the o.p. i dont know how much power you plan to make but i know of a nvg149 that is taking over 1k lb tq with just a new chain and a input gear for the 4l80 output. Quote Link to comment Share on other sites More sharing options...
eric.dally Posted March 17, 2011 Report Share Posted March 17, 2011 i dont know how much power you plan to make but i know of a nvg149 that is taking over 1k lb tq with just a new chain and a input gear for the 4l80 output. I'm looking at rebuilding mine too, where can you buy a new chain for these units? Quote Link to comment Share on other sites More sharing options...
04CHASE Posted March 17, 2011 Report Share Posted March 17, 2011 General motors parts department. Quote Link to comment Share on other sites More sharing options...
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