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  1. SRT Engineering Q&A Area
    So I have a question no one seems to have the answer to not even the dealership well for starters I have a 2015 dodge challenger Scatpack that needs a new trans. My question is what years of the 8hp70 are compatible are the 2015-2017 compatible with the 2018-present? And also are the 8hp70s in...
  2. Performance Discussion/Modifications
    Has anyone had any transmission woes while using a tune? As of right now, I am only running a recently acquired PCM tune from Hemifever, and the TCM is running the stock calibration. I did briefly test the performance TCM tune that came with the i3, but I reverted back to the stock tune after...
  3. Performance Discussion/Modifications
    Anybody got any solid info on the process to slap a 6.1 crank in my 5.7? Also, given that the 8hp70 can only take ~500ft-lbs, what do I need to do to take that out to ~1000+ without completely swapping out transmissions. Last question.. my car makes a weird kind of rumbling while I pass...
  4. Performance Discussion/Modifications
    If this is the wrong section, mods feel free to move me. This seemed like the best option as I didn't see a transmission section. So, I know this question has been asked many number of times in various ways, but I can't find an answer here, in Challenger forum, in LXForums, or anywhere else for...
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