milesz Posted October 16, 2008 Share Posted October 16, 2008 I have a stock 2002 5.3L in my 73 240z. I had the ECU reprogramed by, at the time, LT1 Wiring. I am thinking about using the Hypertech 30008 programmer to get better preformance. What are your thoughts and will it work? Thanks in advance Quote Link to comment Share on other sites More sharing options...
ColtGT4g63 Posted October 18, 2008 Share Posted October 18, 2008 I have a stock 2002 5.3L in my 73 240z. I had the ECU reprogramed by, at the time, LT1 Wiring. I am thinking about using the Hypertech 30008 programmer to get better preformance. What are your thoughts and will it work? Thanks in advance As long as whoever reprogramed your PCM before did not lock it, then you should be able to. I had the same concern before purchasing HPtuners. Seems to be working just fine! Just make sure you wire in the OBD2 connector properly. Quote Link to comment Share on other sites More sharing options...
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