Project Budget 400WHP S197 Mustang Track Car: Part 2 – Finding out what it takes to make 400WHP

With the manifold installed, we can start plugging everything back together.  To the untrained eye, it looks just like stock.

The Vacuum lines are quite a bit different on the 2018+ Gen-3 manifold.  That top, horizontal port isn’t used and does not need to be plugged up.

The stock Gen-1 throttle body bolts right up to the new manifold, but the wires for the EVAP system are a little tight.

We had to replace two of the main vacuum lines with silicone hoses, but the install looks pretty clean.

With the new 2018+ Gen-3 intake manifold installed, and the K&N Performance Air Intake System back on, we were excited to see what would happen.

Quick Reference:

Page 1 – Baseline Dyno
Page 2 – K&N Performance Air Intake System
Page 3 – K&N Intake Install
Page 4 – K&N Intake Dyno & 2018+ Intake Manifold
Page 5 – 2018+ Intake Manifold CMCV Delete and Stock Manifold Removal
Page 6 – Stock Gen 1 vs Gen 3 (2018+) Manifold Comparison
Page 7 – 2018+ Manifold Install
Page 8 – 2018+ Manifold Dyno & Tune

10 comments

  1. Would it make sense to attempt a bit of port matching to accommodate for the larger ports on the manifold. It doesn’t appear to be a huge difference, but hitting that hard edge on the heads is definitely disturbing air flow.

  2. I guess the big unanswered question is would the same tune time get you 400hp with the old manifold minus the torque loss. Doubt you would get a peak that matches, but the area under the curve might be more useful on a track car.

  3. Awesome testing! Based on what I saw on Project S2000 with testing of the airbox lid on vs off, I mean, you and I know you’ll see similar on the Mustang. But it’s always great to see the real data, so I’m excited to see it! I always love seeing the data you present.

    1. I just looked into it and it doesn’t seem like a cam and exhaust can make 400whp on an F-body. Even if it does, this is “Budget 400whp TRACK CAR” and it would cost far more to make an F-body competent on road courses 😉

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