- Joined
- Sep 29, 2016
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- Northern Virginia
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- 2019 PP1 GT Kona
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- #31
So....they got 498HP.I’m would assume at minimum a water pump pulley. And like mentioned above they tested in most likely a cool room(not near as hot as an engine bay,etc), with the lack of a couple of pulleys is why it was coming right up to the 500 mark stock. They did run full exhaust but it seems the factory headers are pretty decent.
I honestly think some gen3 coyote engines are closer to 460 net and some are getting close to 480 given all the online Dyno numbers I have seen. As some have stated in the past Ford put 460 as the rated horsepower because it is most likely the minimum they have seen with the production tolerances...but I’m sure there are some that are more around 475ish.
If the engine was missing the alternator and A/C compressor, that's not much loss there. The A/C compressor only runs when it's on, and the alternator can't be that much drag.
So the other question is the water pump. I see a hose hooked-up to the water-pump outlet, but I can't see if there's a belt to the pump pulley.
As far as the air-box; they used an OEM air-box, and I'd bet it wasn't getting the right amount of incoming air, versus it being properly installed in the car, with the car moving. So I'd actually think it was missing a few HP there. The test being indoors probably means that the oxygen % in the room wasn't as high as outside on a nice day. The IATs on a moving 5.0 with the car moving is near ambient (that OEM CAI is truly a good bit of kit), so I think there's no loss or gain there.
Over-all, if there's positives with the lack of alternator and water-pump being driven by belts, and negatives from how the intake system was just hanging there, not in a car that's moving, and lower oxygen % inside a building versus outside on a nice day, I'd call those a wash.
I'm good with assuming the 498HP represents a normal power level for the GENIIIs.
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