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View Full Version : 5.3L V8 (LS4)

  1. Problem shopping for performance parts
  2. '06 gxp mod suggestions
  3. Help-trying to get the best 1/4 mile time...
  4. How packed?
  5. mods for the gxp
  6. little bit of smoke coming from the tires on acceleration???
  7. hmmmm ?
  8. LS4 V8 DoD 4T65-E TAPShift info
  9. fenderwell intake pictures
  10. LS4