Originally Posted by
dropt4by
just dynoed the 03 about 2 weeks ago and was shocked, 275rwhp and 421ftlbs , need to increase the hp some. longtubes make that much of a diff. for 1300 dollars?
please tell me the 421 lbtq is a typo!!!! or what in the world have you done to it to get that kind of torgue but with so little horsepower..
03 ECSB 5.3 N/A, bolt ons, cam, PRC stage 2.5 heads, 8.1 injectors, 2400stall, lakewood traction bars, G80 3.73s, elec fans, Fram boost intake, HPtuners by Ben Sundling, DMH cutout.
Best 1/8: 8.786 (at 5060lbs)
Best 1/4: 14.00058 (at 5060lbs)
390rwhp and 366rwtq (dynojet dyno)
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