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  1. Dark Horse Handling Package Tires (Trofeo RS tires) vs. Nanking CR-S - Track Test

    PS4S is definitely not a track tire and gets greasy after two laps. Big difference than the Cup2's or Trofeos
  2. Does 5.0 coyote performance improve with octane?

    That said I've never noticed any lack of performance from that. But I only leave the plugs in for a year. Also gets on the O2 sensors, cats, and supposedly fuel injectors but I haven't pulled the injectors to look
  3. Does 5.0 coyote performance improve with octane?

    Half a can of Boostane will turn your 93 into 100....and coat everything orange in the process!
  4. Leave it alone

    What fun is that?
  5. Does 5.0 coyote performance improve with octane?

    Here's some well-known charts, one is a gen 1 coyote and the other is an eco
  6. Does 5.0 coyote performance improve with octane?

    100 octane would gain power on a gen 4 Coyote as it would still add timing past what it would get on 93. E30 is what, 96-98 octane depending on who you ask? It gains power as well. Now, is it worth the high price of whatever 100 octane is in your area (it's double the price of 93 here), for a...
  7. Oil Change Interval on my 2024 GT

    Do you really want "dirty" oil circulating through the engine even though some lab test says it's okay? It'd be like taking a bath after four other people. The test strip says it's good for a few more uses!
  8. Dark Horse Boss Mustang Prototype's Sounds + DCT Transmission (?) - New Video

    GM got 670hp out of 5.5L, Ford might see that as a challenge and go for 600+
  9. Livernois Motorsports 93 O Tune Info

    Some people call E tunes 'email tunes' as opposed to dyno tunes. So I wasn't sure if that's what he was talking about and then wondered what an O tune would be...
  10. Livernois Motorsports 93 O Tune Info

    They won't magically find more power in a year. You will never get the gains out of an NA car (especially one tuned to the edge from the factory like the S650) that you will see from a tune on a factory turbo car.
  11. Least Expensive Performance Upgrades?

    Honestly, not much. Headers are $$$ Tune is $$ and will get you like 15hp on 93. Would be a decent gain on e85 though. Lighter wheels (say 20lbs each wheel) and carbon fiber/aluminum driveshaft are $$ Nothing really to be had with the airbox or throttle bodies You could have the intake...
  12. Livernois Motorsports 93 O Tune Info

    What is O tune vs E tune? They only said 20hp on YouTube (and most other tuners were saying somewhere around 15-20hp on 93 was all there was to be had)
  13. 2026 Shelby Super Snake R!!!!! 225K

    Here's what would satisfy a lot of people, but Shelby will not do: 1. Give a couple cars to some YouTubers and whatever magazines are left. 2. Get some performance data. This way they can legitimately say things like "5 seconds faster around ______ raceway than a Standard Dark Horse or 2020...
  14. 2026 Shelby Super Snake R!!!!! 225K

    Wasn't that a $155k car new? This is like people who pay big money for "special edition" sneakers.
  15. Longtube catted headers - Questions

    Cleaner sounding. Not as much raspiness. Not as clappy. Especially at part throttle.
  16. Longtube catted headers - Questions

    Yes Slightly quieter/cleaner sounding with cats than without. But still much louder than stock. The risk is still high depending on how much power you are making and what kind of cats you get. Cheaper cats and lots of power isn't a good combination.
  17. 2026 Shelby Super Snake R!!!!! 225K

    Does it come with a bottle of that Shelby vodka?





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