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Thread: Ford PIU 3.7 N/A Catback, 80mm Throttle Body Swap from a 2012 Coyote + Tune 53hp gain

  1. #1
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    Ford PIU 3.7 N/A Catback, 80mm Throttle Body Swap from a 2012 Coyote + Tune 53hp gain

    New personal record on my 2014 Ford PIU 3.7 N/A Catback, 80mm Throttle Body Swap from a 2012 Coyote + Tune, 53HP gain at 3200 ft above sea level. and there is room for more

    Max 321 HP at 6600 rpm
    Max torque 312 at 4500 rpm

    How Altitude Affects Horsepower
    At 3,280 ft (1,000m), air density is about 90-92% of sea level.
    That means your engine is losing 8-10% power compared to sea level.
    Since you’re currently making 321 HP at 1,000m, the estimated power at sea level would be:
    321

    Estimated HP at Different Altitudes
    Altitude Air Density (%) Estimated HP

    Sea Level (0m) 100% ~357 HP
    1,000 ft (305m) ~96.5% ~342 HP
    2,000 ft (610m) ~93% ~335 HP
    3,280 ft (1,000m) ~90-92% 321 HP (your current output)



    dfsds.jpg
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    Last edited by piutuner; 02-16-2025 at 10:44 PM.

  2. #2
    Senior Tuner veeefour's Avatar
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    Congrats but would like to see some dyno graphs

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    Thanks, unfortunately I dont have a Dyno near by, closest thing is Guadalajara, Mexico, but its 4 hours away, this is my latest pull Last.png
    Last edited by piutuner; 4 Weeks Ago at 12:43 AM.

  4. #4
    Senior Tuner veeefour's Avatar
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    So how you came with those numbers?

  5. #5
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    Quote Originally Posted by piutuner View Post
    Thanks, unfortunately I dont have a Dyno near by, closest thing is Guadalajara, Mexico, but its 4 hours away, this is my latest pull Last.png
    amigo le mande mensaje para preguntarle unas cosas de su tune