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  1. STS-V Series Forum - 2006-2009
    I currently own a 2013 Challenger RT with a 6 speed manual Barton shifter. There are the normal mods, but that's it (Barton, oil catch can, res delete). I am a UC Mgr at a Cadillac dealership, have owned many caddys and driven many Vs, but never owned one. My gripe is, if you have a "muscle"...
  2. STS-V Series Forum - 2006-2009
    Definitely the most fun, and sketchiest car I've owned to date. Granted.. I did use this car and did not baby it. Add ons: -Wait4me tune -Spectre Intake
  3. Northstar Engines and System Technical Discussion
    I read that the most efficient oil for the Northstar and other newer engines is GF3 rated oils. Mobil One is rated at GF2 while some blends and non-synthetic oils are rated at GF3. I have been using a blend of synthetic and non-synthetic oil rated at GF3. I don't know which is better for the...
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