2015+ Mustang 3.7 V6 Less Power than previous, Dyno Charts - Mustang Evolution

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Old 02-24-2018, 05:34 PM   #1
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2015+ Mustang 3.7 V6 Less Power than previous, Dyno Charts

I have a question and have searched for hours but cannot seem to get an answer on anything online.

We used a 2011 3.7 V6 motor in a pretty trick project rally car. Motor is standard, but has all Motec, sequential gearbox, race fuel, etc. Motor made 303 hp (to the wheels).

We had a problem with that engine and just switched to a more recent 2016 3.7 V6. Same setup, same dyno, and it is making 40hp less, and 30ft lbs less. The tuner cannot get anything more out of it.

Anyone know what the difference is between the engines? Different cams?
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Old 02-25-2018, 04:47 AM   #2
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At first we thought Ford lowered the hp on the v6 to 300 to make the EcoBoost look better. The only difference I can tell is the intake manifolds are smaller on the 2015+ v6's. From what I've read, that's the only difference between the two v6's. I'm no expert and maybe someone else will chime in
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Old 02-25-2018, 01:45 PM   #3
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Only change is the intake which is a better design yielding higher mid-range hp/tq. The 5hp lost in the 15+ 3.7 is entirely tune related nothing else was changed.

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