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  1. CloseTheDiff

    E85 Tuned 2.7 EcoBoost F150?

    Same with the delvac esp from my understanding. From what I've read, the HTHSV on those 5w diesel oils with thicker bases would surpass the a3/b4 castrol, perhaps making them better candidates for track use. But the a3/b4 doesn't seem like a bad choice at all either, especially being more...
  2. CloseTheDiff

    E85 Tuned 2.7 EcoBoost F150?

    Will definitely get a UOA going and post it on here soon when I get my truck back, blew out the whole rear end from wheel hop at the strip if that gives you any idea about how I treat this truck lol. So 0w40 in either mobil or castrol, whichever is the better deal, is what I'll try next. Will...
  3. CloseTheDiff

    2021 F150 Coyote Changes

    I wouldn't think so with all the oil pump gear failures on the 5.0, especially when tuned for higher RPMs. The OPG is usually the weak link in the 5.0 that is upgraded first before anything else. Now cylinder deactivation is definitely a negative change, no doubt about that, but it's the price...
  4. CloseTheDiff

    E85 Tuned 2.7 EcoBoost F150?

    Truck is used mostly as a spirited DD but sees towing and loads once in a while, maybe once a month. Was originally looking for magnatec in a 40w but started looking at the edge products instead. Haven't ran a UOA but I'd like to next oil change, seems like Blackstone isn't well regarded around...
  5. CloseTheDiff

    E85 Tuned 2.7 EcoBoost F150?

    That's good to see someone running a 40 weight with good results in an eco as most run a 5w-30 even tuned raptor guys. So from your knowledge the A3/B4 0w edge would be a better choice over the US 5w edge? And I would open to running a 15w-40 HDEO as well, I run rotella in my drift car. Just...
  6. CloseTheDiff

    E85 Tuned 2.7 EcoBoost F150?

    Got an '18 2.7 on full E85 (~400hp, 500tq) currently running 5w-30 PP and wanting to make a switch as the fuel dilution is just brutal on these ecos from the start, and with the extra fuel being diluted in from the E85 which is tuned conservatively rich my oil changes tend to reak of ethanol and...
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